Greenheck Fan Sfb Users Manual

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Centrifugal Utility Fans
Model SFD, SFB and SWB
Direct and Belt Drive

November
2011

Models SFD, SFB and SWB
Utility Fans
Contents
Standard Construction Features.......................4-5

Discharge Position and Dimensional Data....12-13

Severe Duty Options............................................ 6

Fan Identification/Model Selection.................... 14

Temperature Options........................................... 7

SFD Performance and Dimensions................... 15

Options and Accessories................................ 8-9

SFB Performance and Dimensions............. 16-25

Engineering Data............................................... 10

SWB Performance and Dimensions............ 26-61

Typical Installations........................................... 11

Typical Specifications.................................. 62-63

Greenheck Fan Corporation certifies that the model SFD,
SFB and SWB, fans shown herein are licensed to bear the
AMCA Seal. The ratings shown are based on tests and
procedures performed in accordance with AMCA Publication
211 and comply with the requirements of the AMCA Certified
Ratings Program. The certified ratings for Model SFD, SFB
and SWB are shown on pages 15-61.

Greenheck Fan Corporation certifies that the model SWB
Series 300 AF, fans shown herein are licensed to bear the
AMCA Seal. The ratings shown are based on tests and
procedures performed in accordance with AMCA Publication
211 and AMCA Publication 311 and comply with the
requirements of the AMCA Certified Ratings Program. The
certified ratings for Model SWB Series 300 AF are shown on
pages 49-61.

SFD, SFB and SWB Series 100, 200 and 300 models
are listed for electrical (UL/cUL 705)
File no. E40001
SWB Series 200 and 300 models are listed for grease
removal (UL/cUL 762) File no. MH11745
SWB Series 200 and 300 models are listed for
Emergency Smoke Control Systems File No. MH17511

2

High Wind Certification

Seismic Certification

Miami-DADE Notice of Acceptance (NOA)
09-0303.31 for high wind and hurricane zones

OSHPD - O
 ffice of Statewide Health Planning
and Development - OSP-0113-10

Florida Product Approval Number - FL12680

IBC 2006 and 2009 - International Building Code

Models SFD, SFB and SWB
Utility Fans
Model Comparison

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Performance

2,600

2.5

$

25,200

3.5

$$

54,000

5

$$

Maximum Volume
(cfm)

Mixed Flow

Propeller/Axial

Centrifugal

Direct

Belt

High Temp (above 200°F )

High Wind (150 mph)

Smoke Control (UL)

Grease (UL 762)

Spark Resistant

Contaminated Air

General/Clean Air

Recirculate

Reversible

Supply

Wall

Hanging

Base/Floor

Roof Curb

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Impeller
Type

Relative Cost

SWB

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Drive
Type

Application

Maximum Static Pressure
(in. wg)

SFB

Indoor

SFD

Outdoor

Model

Airflow

Exhaust

Mounting

Ceiling Mounted

Location

Models SFD and SFB

Model SWB

Greenheck models SFD and
SFB forward-curved utility
fans have been designed for
supply, exhaust and return
air applications requiring low to medium air volumes
and pressures. You will receive the following benefits
with these fans:

Greenheck’s backwardinclined utility fans have
many advantages; higher
operating efficiencies,
non-overloading
horsepower curves
and higher pressure
capabilities. You will also receive
the following benefits with these fans:

•	 SFD fans are available in four sizes (6, 7.5, 9 and
10) with different rpm motors. Capacities range
from 300 to 2,600 cfm (510 to 4,600 m3/hr) with static
pressures to 2.5 in. wg (623 Pa).
•	 SFB fans are available in ten sizes (9 through 30)
with capacities ranging from 360 to 25,200 cfm
(610 to 42,800 m3/hr) and static pressures to
3.5 in. wg (872 Pa).
•	 Greenheck utility fans are designed, engineered
and tested prior to shipment to provide years of
smooth, vibration-free operation with minimal
maintenance.
•	 The fan may be mounted indoors or outdoors.
•	 All fan sizes are tested in our AMCA accredited
laboratory to ensure complete and accurate
performance ratings. All models are licensed to
bear the AMCA Air Performance seal. Performance
as cataloged is assured.

•	 SWB Series 100 in ten sizes (106 through 124)
with capacities from 70 to 11,000 cfm
(120 to 18,700 m3/hr) and static pressures to
3.0 in. wg (747 Pa).
•	 SWB Series 200 in twelve sizes (206 through 224)
with capacities from 70 to 13,700 cfm
(120 to 23,300 m3/hr) and static pressures to
5.0 in. wg (1250 Pa).
•	 SWB Series 300 in seven sizes (327 through 349)
with capacities from 4,600 to 54,000 cfm
(7,700 to 91,700 m3/hr) and static pressures to
5.0 in. wg (1250 Pa).
•	 Three different series of construction will meet your
exact needs in the most efficient manner.
•	 Greenheck utility fans are designed, engineered and
tested prior to shipment to provide years of smooth,
vibration-free operation with minimal maintenance.
•	 Fans are tested in our AMCA accredited laboratory
to ensure complete and accurate performance
ratings. All models are licensed to bear the AMCA
Air Performance seal. SWB 300 Series AF fans
are licensed to bear the AMCA Sound and Air
Performance seal. Performance as cataloged is
assured.
3

Standard Construction Features

Standard Construction Features

Backward Inclined

Backward Inclined

Backward Inclined or Airfoil

SFD and SFB fans have forward-curved centrifugal wheels constructed of
die formed steel with blades securely riveted to a steel backplate and rim.
Each wheel is statically and dynamically balanced to precise tolerances.
Forward Curved

Wheel

All structural steel parts are phosphate treated and coated with
Greenheck’s Permatector™ for a long lasting finish. Galvanized
construction remains unpainted.
• See housing and drive frame information for specific material and coating.

—

—

—

—

—

SWB Series 100 and 200 through size 210 have backward-inclined nonoverloading centrifugal wheels constructed of aluminum. Series 200, sizes
212 and larger and Series 300 wheels are constructed of steel or aluminum.
Backward-inclined wheels are made of a heavy-gauge material with singlethickness blades securely riveted or welded to a heavy-gauge backplate
and wheel cone. SWB Series 300 fans are available with aluminum airfoil
wheels. Each wheel is statically and dynamically balanced to precise
tolerances.

3

Housing

SFD and SWB Series 100 housings are constructed of galvanized steel.
SFB and SWB Series 200 and 300 housings are constructed of steel
and coated with Permatector™. Both are available in clockwise or
counterclockwise rotation and are field rotatable to the eight standard
discharge positions. Housing sides are bonded to the fan scroll with an
airtight lock seam. Fully welded scrolls are available on SFB and SWB
Series 200 and 300 models.

Galvanized

Painted Steel

Galvanized

Painted Steel
or Aluminum

Painted Steel

4

Housing
Supports

Housing supports are constructed of heavy gauge-steel with formed
flanges for extra strength.

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5

Mounting
Holes

Base rails have prepunched mounting holes which allow for easy
installation.

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6

Drive
Frame

Series 100 and 200 drive frames are constructed of rugged, welded
and coated steel members (Series 300 drive frames are constructed of
reinforced heavy gauge galvanized steel) supporting the shaft and bearings
to provide rigid reinforcement for the housing. SFD drive frames are
constructed of galvanized steel, bolted and available in arrangement 4.
SFB and SWB are arrangement 10.

Painted Steel

Painted Steel

Painted Steel

Galvanized

Finish

Galvanized

2

SWB
100 200 300

Forward Curved

1

SFD SFB

7

Fasteners Corrosion-resistant fasteners are used to secure unit base and blower
scroll assembly.

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8

Motor

Heavy-duty ball bearing motors are carefully matched to the fan load. Open
drip proof, totally enclosed and explosion resistant enclosures are available.

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9

Inlet Cone Streamlined inlet cone design provides for low turbulence air intake,

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reducing intake losses and sound levels.

Belt Drive Only Features

4

10 Motor
Plate

A pivoting motor plate with adjusting screws make belt tensioning a quick
and easy operation.

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11 Drive
Assembly

Machined, cast iron pulleys are factory set to the required RPM and are
adjustable for final system balancing for applications with 10 hp or less
motors. Sized for a minimum of 150% of driven horsepower.

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12 Fan Shaft

Precision turned, ground and polished solid steel shafts are sized so the
first critical speed is at least 25% over the maximum operating speed.
Stainless steel shafts are available on SWB Series 200 and 300 fans.

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13 Bearings

Heavy-duty, self-aligning pillow block ball bearings are selected for a
minimum L10 life in excess of 100,000 hours (L50 average life of 500,000
hours) at maximum cataloged operating conditions.

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Standard Construction Features

2
7
3

3

1
13

12

8

13

8

11

5

4

10
6

SFD
5

SFB and SWB 200 Series

3
3
7
2

7
2
13

11

13

12

11

12

6
8

4

4
8

10

6
10
5

SWB 100 Series

5

SWB 300 Series
5

Severe Duty Options
High
Wind and
Hurricane
Greenheck is
leading the high
wind standard for
roof top fans and
ventilators. Forceful
winds and windborne debris are
the cause of most hurricane damage. Hurricane
winds start at 75 mph. At speeds over 150 mph, wind
can exert a force of 75 pounds per square foot of
pressure or over 900 pounds on a fan. Forceful winds
are not the only problem, wind-borne debris can also
cause detrimental effects to objects and structures.
High winds and extreme forces are the cause of
most storm damage. By analyzing calculations,
computer simulations and actual testing—Greenheck
developed the High Wind Standard.

Seismic
With changes in
building codes
and standards,
more equipment
is required to
be seismically
certified in areas
of the country not
commonly thought of
as being in seismically active zones.
The International Building Code (IBC) is designed
to provide model code regulations that safeguard
public health and safety in all U.S. communities.
The IBC 2009 is the latest version adopted on state
or local levels. With this code, the standards are
intended to improve the performance and design of
non-structural systems subject to seismic events.
The State of California, one of the most active
seismic areas in the United States, has the Office
of Statewide Health Planning and Development
(OSHPD). OSHPD regulates the design and
construction of healthcare facilities to ensure they
are safe and capable of providing services to the
public after a seismic event. OSHPD developed
their own unique certification process to incorporate
the IBC and ASCE testing standards to ensure
equipment remains operable after a seismic event.
6

Protocols designed to protect against
wind borne debris and severe wind loads:

Miami-Dade
County Test
Protocols

Greenheck worked with Miami-Dade
County to outline a high velocity hurricane
zone standard for rooftop fans. The SFD,
SFB and SWB Series 100 and 200 have
been certified by an independent third
party to the ASTM E-330 Static Pressure
Difference Standard, Florida Building
Code Test Protocol TAS-201 (large missile
impact), 202 (static pressure difference)
and 203 (cyclic pressure) Static Pressure
Difference. NOA #09-0303.31

Florida
Product
Approval

Florida Product Approval ensures that
products which have been approved can
be used anywhere in the State of Florida
which are not governed by the MiamiDade County high wind regulations. More
information can be found on the Florida
Building Code website. Florida Product
Approval FL12680

Protocols designed for seismic standards:

Seismic
Testing
Criteria

All Greenheck seismically certified models
have been tested using the most severe
seismic event that is found on the Spectral
Response Map per IBC Figures 1613.5
(1-2). Because our testing is performed
under the worst case scenario, using the
highest mapped seismic load, highest level
occupancy category, worst case site class,
and highest code mandated importance
factor, this allows Greenheck seismically
certified fans to be used anywhere in the
United States under any conditions.

California
OSHPD Test
Protocols

The California Office of Statewide Health
Planning and Development (OSHPD)
requires all certified models be shake table
tested in accordance with ICC ES AC-156,
in which the fans are physically subjected
to the same or greater forces than they
will see during a seismic event. Subjecting
Greenheck models SWB, SFD and SFB fans
to this type of testing ensures the fans will
operate without problems after a seismic
event. (OSP-0113-10 - SWB Series 100 and
200 SFB, SFD)

Certified
Independent
Third-Party
Testing

All Greenheck seismically certified fan
models have gone through extensive
testing procedures. Greenheck models
SWB, SFD and SFB have been certified to
IBC 2006, 2009, ASCE 7-05 and California
OSHPD standards through both engineering
calculations and shake table testing by
independent third party engineering firms.
(SWB Series 100 and 200, SFB and SFD)

Temperature Options
Testing

High temperature testing was conducted at
Greenheck’s Research and Development facility
with airstream temperatures in excess of 1000°F
(538°C). Temperatures were monitored at the
following critical locations throughout the tests:
bearings, bearing compartment, motor, motor
compartment, airstream and fan housing.
Operating Temperatures
Utility set fans are suitable for applications with
elevated temperature airstreams. Refer to the
chart at the right for operation temperature
guidelines and optional accessories.
High Temperature/Emergency Smoke Control
The SWB Series 200 sizes 212 to 224 and
Series 300 may be equipped for emergency
smoke removal applications by specifying a
high temperature option. The table below right
indicates the construction features included in
the high temperature options enabling exhaust
of heat and smoke at 500°F (260°C) for a
minimum of 4 hours or 1000°F (538°C) for a
minimum of 15 minutes.
High Temperature Option
SWB Series 200 & 300

Testing for Emergency Smoke Temperature and Time Guidelines
Tested Temperature

Time
(Hours)

IRI

500°F (260°C)

4.00

SBCCI

1000°F (538°C)

0.25

Class A

302°F (150°C)

5.00

Code

BSI

Class

Class B

482°F (250°C)

2.00

Class C

572°F (300°C)

0.50

Class D

572°F (300°C)

1.00

Class E

752°F (400°C)

2.00

Operating
Temperatures
and Construction
-20° to 200°F
(-29° to 93°C)

Standard

201° to 300°F
(94° to 149°C)

Heat Slinger/Shaft Seal

SWB
Series
100

SWB
Series
200

Aluminum
Galvanized Painted
Steel
Airstream

Temperature ratings tested in accordance to UL
smoke control systems.
Emergency Smoke Control - UL Listed
SWB Series 200 & 300
• 500°F (260°C) for a minimum of 4 hours
• 1000°F (538°C) for a minimum of 15 minutes

SFD

SFB

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301° to 400°F
(149° to 204°C)

Heat Slinger/Shaft Seal

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SFD, SFB

Steel

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The maximum continuous operating temperature on the SWB is 400°F.
For continuous operating temperatures between 401° and 1000°F use an
Arrangement 1, 9 or 10, backward-inclined centrifugal fan model BISW.

• 500°F (260°C) for a minimum of 4 hours
• 1000°F (538°C) for a minimum of 15 minutes

SWB
Series
300

High
Temperature
Option

High
Temperature
Option with UL

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Weatherhood

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UL Label (Power ventilators for smoke
control systems)

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High Temperature SWB Features
Series 200 & 300
Steel Construction
Shaft Seal
Heat Slinger

Spark-Resistant Construction Options
The following AMCA Standards apply to fan
applications that may involve the handling of
potentially explosive or flammable particles,
fumes or vapors.
• AMCA Type A - All parts in contact with the
airstream are constructed of nonferrous material
(aluminum). Model SWB does not meet AMCA
Type A spark resistant construction because the
fan shaft is steel.
• AMCA Type B - The fan wheel is constructed
of nonferrous material (aluminum). A nonferrous
(aluminum) rub ring surrounds the fan shaft where

	 it passes through the fan housing. Available on all
SWB sizes with an aluminum wheel and rub ring.
• AMCA Type C - The inlet cone is constructed
of nonferrous material (aluminum). A nonferrous
(aluminum) rub ring surrounds the fan shaft where it
passes through the fan housing.
The constructions listed minimize the potential of
ferrous components making contact with each other
that may produce sparks. However, they do not
guarantee against the potential of producing sparks.
The installer must electrically ground all fan and
system components.
7

Options and Accessories
UL/cUL 762 - SWB Series 200 and

Inlet and Outlet Guards - Constructed

300 models are listed for grease
removal (UL/cUL 762). The UL/cUL
762 option includes a weatherhood,
threaded drain connection and
access door. Indoor mounting
requires the fan to have welded
scroll construction.

of expanded metal mounted in a steel
frame to provide protection for non-ducted
installations. The guards can be easily
removed for fan maintenance or inspection.

Weatherhood - Available to completely cover the motor
and drive compartments; protecting the shaft, bearings,
motor and drive components from moisture and other
adverse weather conditions. Weatherhoods are vented to
provide sufficient motor cooling, designed to meet OSHA
guidelines and are easily removed for service access.
Series 300 includes an access door.
Drain Connection - Threaded drain connections can
be provided to drain moisture from the bottom of the
fan housing.

Grease Trap (SWB Only) - Aluminum trap is designed
to collect grease residue and avoid drainage onto roof
surface. Disposable grease absorbents are available for
easy maintenance.

Access Doors - Access doors provide access for
inspection and cleaning. Either bolted or hinged, quick
opening access doors are available on all models except
SFD. (Series 100—bolted option only)
Welded Scroll Construction - Welded scroll
construction is available on SWB Series 200 and 300.
Aluminum Construction - Aluminum airstream option is
available on SWB Series 200.
Dampers - Gravity or motorized
parallel blade backdraft dampers
feature sturdy galvanized frames with
prepunched mounting holes, aluminum
blades with felt edges and balanced
design for minimal resistance to
airflow. Backdraft dampers are not
suitable for downblast or bottom
angular downblast discharge positions. The fan must
be supplied with a flanged outlet to install a backdraft
damper directly to the fan. Heavy-duty dampers are
available for high pressure applications on fans with
motors equal to or greater than 71⁄2 horsepower.

Disconnect Switches - A wide selection
of NEMA rated switches are available
for positive electrical shutoff and safety,
including: dust-tight, rainproof and
corrosion-resistant.

Wiring Pigtail - Allows direct hookup to the power
supply eliminating field wiring to the fan.

Extended Lube Lines - Lubrication lines with grease
fittings are extended from shaft bearings to the base
of the drive frame panel or weatherhood for easy
bearing lubrication.

8

Flanged Inlet and Outlet - Flanges are available for
damper mounting or flanged duct connections. Inlet
flanges have prepunched mounting holes. Outlet flanges
are bolted on standard; welded for UL 762 applications
Companion Flange - Connects to the inlet flange and
then attaches to the ductwork. Recommended for slip-fit
duct connections.
Inlet Vane Dampers (SWB only) - External inlet vane
dampers are available on model SWB fans, sizes 112–
124 and 212–224. External vanes are mounted on the
inlet flange. Inlet vane dampers feature
zinc-plated steel blade axles, stainless
steel washers and bearings. Vanes can
be used for either manual or automatic
operation, with controls furnished
by others. Maximum operating
temperature is 200°F (93°C).
Coatings - A wide variety of coatings and
colors are available for decorative to acidic applications
on SFB and SWB Series 200 and 300. All Greenheck
coatings can be found in the Performance Coatings for
Commercial and Industrial Fans publication.
Permatector™ is our standard coating. Typically
used for applications that require corrosion
resistance in indoor and outdoor environments.
Hi-Pro™ Polyester is resistant to salt water,
chemical fumes and moisture in more corrosive
atmospheres. Typically used for applications
requiring superior chemical resistance, excellent
abrasion and outdoor UV protection. This coating
exceeds protective qualities of Air Dried Heresite
and Air Dry Phenolic.
Baked Enamel Decorative Coatings are heat
cured enamels applied as electrostatic powders.
Customers can choose from 16 standard
decorative colors or color match any color.
Heat Slinger and Shaft Seal (all belt models) - Heat
slinger is an aluminum cooling disc mounted on
the fan shaft between the inboard bearing
and the fan housing. The disc dissipates
heat conducted along the fan shaft.
The shaft seal with an aluminum rub
ring is available for applications where
contaminated or high temperature air is being handled.

Mounting Options
Vibration Isolators

Base-mounted neoprene or spring isolators are available to lessen mechanical vibration and assure quiet
operation. Free-standing, restrained and housed spring isolators are also available. Isolators are sized to
match the weight of each fan.

Free-Standing Open
Spring Mounts -

Type 3, 1-inch Deflection
Free-standing spring isolators
are unhoused laterally stable
steel springs. They provide a
minimum horizontal stiffness
of 0.8 times the rated vertical
stiffness and provide an additional 50% overload
capacity. These isolators are equipped with a
top-mounted adjusting bolt and an acoustical
non-skid base. Springs are color coded to indicate
load capacity.

Housed Spring Mounts

Type 4B, 1-inch Deflection
Housed spring isolators
consist of steel springs
assembled into a telescoping
housing with a top-mounted
adjusting bolt and an
acoustical non-skid base.
Housed spring isolators
include resilient inserts to prevent metal-to-metal
contact and provide snubbing for side loads. Springs
provide an additional 50% overload capacity and are
color coded to indicate load capacity.

Direct Mount - Type A

No base required. Isolators
are attached directly to
equipment. Direct isolation
can be used if equipment
is unitary and rigid without
the use of additional
support. If there is
any doubt whether or
not equipment can be
supported directly on isolators,
use rails, bases or consult the factory.

Equipment Supports

Models GESS and GESR equipment
supports are available for roof
mounting of utility fans up to size 36.
Equipment supports are available in
a number of lengths, widths, heights,
and can also be built for a pitched roof.

Rubber Mounts -

Type 2, ¼-inch and
½-inch Deflection
Neoprene mountings
consist of a steel top plate
and base plate completely
embedded in colored (oilresistant) neoprene for easy
identification of capacity. Neoprene mountings are
furnished with a tapped hole in the center. This
enables the equipment to be bolted securely to
the rubber mount.

Restrained Spring
Mounts -

Type 4A, 1-inch Deflection
Restrained spring isolators
consist of laterally stable,
free-standing springs
assembled into a steel
housing. These assemblies
are designed for vertical and horizontal motion
restraint. Restrained spring isolators can be used
for blocking during equipment installation and are
provided with leveling bolts. Springs provide 50%
overload capacity and are color coded or identified to
indicate load capacity. Restrained spring mounts are
recommended for equipment subject to wind loading
or large torquing forces.

Mounting Rails

with Isolators
Isolation mounting
rails are available with
either rubber mount,
free-standing open
or restrained spring
isolators. The isolators
are mounted between
aluminum rails that
run the length of the
fan base. Isolation rails provide easy
installation on isolated systems,
and are ideal for
applications where
there is a large overhung load.
Mounting rails are available for fans up
to size 36.

9

Engineering Data
Selection

Effects of Installation on Performance

The first consideration in any fan
selection is the amount of air to be
moved and the resistance to this air
movement. Air volume requirements are
established through specific codes or
accepted industry standards. Once the
air volume is known, system resistance
can be determined by summing up the
losses through the system components.
Duct layout, duct size, coils, filters,
dampers, and fan accessories all affect
system resistance. ASHRAE Guide and
Data Books and manufacturer’s data
on individual system components are
common sources of information available
to the system designer.

Fan ratings presented in the performance tables and curves
of this catalog are in accordance with AMCA Standard 210
“Laboratory Methods of Testing Fans for Aerodynamic
Performance Rating.” The AMCA test procedure utilizes an open
inlet and a straight outlet duct to assure maximum static regain.

In most applications, several fans may
meet the required airflow and system
resistance conditions. An optimum fan
selection requires evaluation of alternative
fan types and fan sizes, as they relate
to initial cost, operating cost, available
space, and allowable sound levels. The
relative importance of these facts varies
with each system.

Any installation with inlet or discharge configurations that deviate
from this standard may result in reduced fan performance.
Restricted or unstable flow at the fan inlet can cause pre rotation
of incoming air or uneven loading of the fan wheel yielding large
system losses and increased sound levels. Free discharge or
turbulent flow in the discharge ductwork will also result in
system effect losses.
The examples below show system layouts and inlet and
discharge configurations which can affect fan performance.

o

7 MAX.

POOR

GOOD

FAIR

Two types of wheels are available:
1.	 Backward-inclined or airfoil wheels
turn at twice the speed of forwardcurved fans and feature:
•	 Higher operating efficiencies
•	 A non-overloading horsepower
curve which reaches a peak
near the middle of the normal
operation range

One
Impeller
Dia.

Turning
Varies

•	 Stronger wheel design allowing for
operation at higher static pressures
2.	 Forward-curved wheels typically
have lower performance capabilities
compared to the backward inclined
and contain:
•	 Overloading type wheel (meaning
that changes in performance
can result in significant brake
horsepower changes)

FAIR

POOR

POOR

Should be at least
1/2 Impeller Dia.

POOR

FAIR

GOOD

POOR

FAIR

GOOD

•	 Forward-curved wheels have lower
sound levels
Comprehensive air performance data for
these utility fans can be found in the fan
tables and fan curves section, starting on
page 15.
10

Not Greater than
o
60 Including Angle

POOR

POOR

FAIR

Typical Installations
General Clean Air or Fume Hood
(Non–Grease)
The SFD, SFB and SWB are designed for
applications ranging from clean air to contaminated
air. Typical installations are shown below. Installations
must include a means for inspecting, cleaning and
servicing the exhaust fan.
Flex

Flex

3 Wheel 3 Wheel
Diameters Diameters

SWB, Commercial Kitchen (Grease)
Greenheck’s SWB Series 200 and 300 are designed
to meet restaurant and foodservice applications.
These fans are UL and cUL Listed for grease
removal and have been tested under elevated
temperature conditions.
Due to high temperatures and grease-laden
airstreams in commercial kitchen ventilation, system
designers must be aware of governing codes and
guidelines. The National Fire Protection Association
(NFPA) is the primary source used by many local
codes for commercial kitchen ventilation systems.
Local code authorities should be consulted before
proceeding with any kitchen ventilation project.
Upblast Discharge

Installation must include a means for inspecting,
cleaning and servicing the exhaust fan.
Fans selected for grease removal must include a
weatherhood, access door and 1‑inch (25 mm) drain
connection. For grease applications where the fan is
mounted indoors, the welded scroll option must be
selected. An outlet guard is strongly recommended
when the fan discharge is accessible. When an
outlet guard is not ordered with the fan, it must be
provided by the installer. An upblast discharge is
recommended. No dampers are to be used in
the system.
The fan discharge must be a minimum of 40 inches
(1016 mm) above the roof line and the exhaust
duct must be fully welded to a minimum distance
of 18 inches (457 mm) above the roof surface.

Optional
Companion
Flange

**40 in.
(1016 mm)

SWB Series 200 and 300 models
are listed for grease removal
(UL/cUL 762).
Wheel File3 no.
MH11745
Wheel

3
Diameters Diameters

Weatherhood
3 Wheel
Diameters
*18 in.
(457 mm)

** Per NFPA 96 the fan discharge must be
a minumum distance of 40 in. (1016 mm)
above the roof surface.

Duct
From
Kitchen
Hood

*Per NFPA 96 the duct must
be all welded construction
to a minumum distance of
18 in. (457 mm) above the
roof surface.

11

SFD and SFB Discharge
Positions and Dimensional Data
CW BAU
B

CCW BAU

C

C

SFD Dimensions

B

Unit Size
D

D

A

A
H

H

CW UB
I

CCW UB
G

G

I

J

J

H

H

CW TAU
E

B

B

H

H

F

I

I

H

H

C

C

B

B

E

H

CW DB
G

I

CCW DB
I

G

F

F

H

H

CW BAD
D

E

CCW BAD
E

D

C

C

H

H

A

CW BH
J

F

A

CCW BH
F

J

G

G

H

H

Images are viewed from the drive side of fan.

12

H
9

I
7

(141)

(121)

(165)

(154)

(132)

(230)

(178)

513⁄16

73⁄4

71⁄4

61⁄4

92⁄3

81⁄2

115⁄16

(33)

(49)

(300)

14

(356)

(173)

73⁄4

(148)

(197)

61⁄2

815⁄16

(197)

(165)

91⁄4

713⁄16

(235)

(198)

(184)

85⁄16

(227)

(211)

103⁄4

101⁄16

(273)

(256)

(159)

73⁄16

(183)

81⁄2

(245)

107⁄9

(274)

123⁄4

(216)

91⁄2

(241)

111⁄2

J
51⁄4

(133)

63⁄4

(171)

71⁄2

(191)

81⁄2

(216)

(324)

(292)

(216)

G
75⁄8

H
134⁄5

I
101⁄4

J
8

All dimensions in inches (millimeters).

SFB Dimensions

SFB-10

SFB-20
SFB-22

SFB-30

A
13⁄8

B
1211⁄16
(322)

(210)

17⁄16

141⁄2

95⁄16

(35)
(37)

21⁄4

C
81⁄4

(368)

(237)

D
7

(178)

E
91⁄2

(241)

F
815⁄16
(227)

(194)

(350)

(260)

713⁄16

103⁄4

101⁄16

89⁄16

151⁄6

111⁄2

(198)

(256)

(406)

16

1011⁄16
(271)

(230)

(314)

123⁄8

119⁄16

211⁄16

179⁄16

1113⁄16

915⁄16

1311⁄16

1211⁄16

233⁄8

1513⁄16

131⁄4

185⁄16

141⁄2

201⁄16

(68)

41⁄16

(103)

49⁄16

(116)

55⁄16

(446)

(594)

251⁄2

(300)
(402)

171⁄4

(648)

(438)

(135)

(711)

28

191⁄16

61⁄16

3011⁄16

211⁄16

(154)

5

(127)

65⁄8

(168)

(779)

34

(864)

381⁄8

(968)

(484)

(535)

22

(559)

25

(635)

91⁄16

(273)

(57)

(252)
(337)
(368)

16

(348)
(465)
(510)

221⁄8

(406)

(562)

173⁄4

247⁄16

(451)

19

(483)

211⁄8

(537)

All dimensions in inches (millimeters).

A
H

G
53⁄16

613⁄16

SFD-10

SFB-27

E

F
61⁄16

101⁄4

1113⁄16

SFB-25

CCW TAD

CW TAD

E
61⁄2

(214)

15⁄16

SFB-18

F

J

D
43⁄4

11⁄4

SFD-9

SFB-15

CCW TH

J

C
59⁄16

(27)

(260)

SFB-12

CW TH

B
87⁄16

(32)

SFB-9

E

D
A

SFD-7.5

Unit Size

CCW TAU

D
A

SFD-6

A
11⁄16

(621)

261⁄2

(673)

29

(737)

(294)
(322)

171⁄8

(217)

97⁄8

(251)

107⁄8

(276)

145⁄8

(435)

(371)

183⁄4

161⁄16

203⁄4

1711⁄16

227⁄8

199⁄16

(476)
(527)
(581)

241⁄2

(622)

271⁄4

(692)

(408)
(449)

(497)

207⁄8

(530)

231⁄4

(591)

(385)

151⁄6

(385)

163⁄4

(426)

221⁄3

(567)

244⁄9

(621)

284⁄9

(723)

313⁄5

(803)

33

(838)

363⁄5

(930)

(292)

131⁄4

(337)

145⁄8

(371)

195⁄8

(498)

211⁄2

(546)

233⁄4

(603)

261⁄4

(667)

283⁄4

(730)

315⁄8

(803)

(203)

91⁄4

(235)

93⁄4

(248)

105⁄8

(270)

133⁄4

(349)

147⁄8

(378)

16

(406)

171⁄2

(445)

187⁄8

(479)

21

(533)

SWB Discharge

Positions and Dimensional Data
CW BAU
B

CCW BAU

C

C

SWB Dimensions

B

D

D

A

A
H

H

CW UB
I

CCW UB
G

G

B

C

D

E

F

G

H

I

J

106

115⁄16
(49)

141⁄8

(359)

91⁄4

(235)

713⁄16
(198)

103⁄4

(273)

101⁄8
(257)

85⁄8

(219)

151⁄8
(384)

111⁄2

(292)

85⁄8

107

115⁄16

141⁄8

91/4

713⁄16

103⁄4

101⁄8

85⁄8

151⁄8

111⁄2

108

115⁄16

91⁄4

713⁄16

103⁄4

101⁄8
(257)

(219)

85⁄8

151⁄8

110

115⁄16
(49)

(359)

91⁄4

713⁄16

103⁄4

101⁄8
(257)

(219)

85⁄8

151⁄8
(384)

(292)

(219)

113

211⁄16
(68)

175⁄8
(448)

(298)

(251)

115

3 ⁄8

J

H

H

CW TAU
E

CCW TAU

D
A

B

H

F

CCW TH

J

F

J

I

I

H

H

CCW TAD

CW TAD
C

C

B

B

E

E

A
H

H

CW DB
G

I

CCW DB
I

F

H

H

CW BAD
D

E

CCW BAD
E

A

CW BH
J

F

F

Images are viewed from the drive side of fan.

(384)

(292)

111⁄2

(292)

111⁄2

(346)

(324)

123⁄4

107⁄8

165⁄8

145⁄8

105⁄8

18 ⁄2

16 ⁄4

115⁄8

(276)

(422)

(371)

13 ⁄16
(332)

(279)

11

15 ⁄8

14 ⁄8

12 ⁄8
(308)

(470)

(413)

31⁄2

211⁄4

145⁄15

12

169⁄16
(406)

151⁄2

(394)

131⁄4

(337)

203⁄8
(518)

173⁄4

(451)

1513⁄16

131⁄4

185⁄16

171⁄8

145⁄8

223⁄8

195⁄8

1

(384)

1

(359)

1

1

1

(648)

(438)

(368)

141⁄2

201⁄16
(510)

(476)

183⁄4

161⁄8
(410)

(622)

(546)

124

5 ⁄16

30 ⁄16

21 ⁄16

17 ⁄4

24 ⁄16

22 ⁄8

19 ⁄16

31 ⁄2

26 ⁄4

206

115⁄16

141⁄8

103⁄4

101⁄8

207

115⁄16

141⁄8

103⁄4

101⁄8

208

115⁄16

141⁄8

103⁄4

101⁄8

210

115⁄16

141⁄8
(359)

(235)

212

25⁄16

161⁄8

1011⁄16

213

211⁄16

175⁄8
(448)

(298)

(251)

215

31⁄8

(79)

191⁄2

(495)

131⁄16

3 ⁄2

49⁄16
13

(402)
(49)

(49)

(49)

(49)

(59)
(68)

(594)

251⁄2
15

(786)
(359)

(359)

(359)

(410)

(364)
(402)

171⁄4
1

(305)
(337)

3

(535)

(451)

91⁄4

713⁄16

91⁄4

713⁄16

91⁄4

713⁄16

91⁄4

713⁄16

(235)
(235)
(235)

(198)

(198)

(198)

(465)

7

(621)
(273)

(273)
(273)

(435)

7

(581)
(257)

(257)

(257)

(371)

9

(568)

241⁄2
1

(497)

(800)

85⁄8

151⁄8

85⁄8

151⁄8

85⁄8

151⁄8

(219)
(219)
(219)

(384)

(384)

(384)

1

(667)

111⁄2

(292)

111⁄2

(292)

111⁄2

(292)

(219)

85⁄8

151⁄8
(384)

(292)

9

123⁄8

115⁄8

915⁄16

151⁄8

131⁄4
(337)

(248)

97⁄8

135⁄8
(346)

(324)

123⁄4

107⁄8

165⁄8

145⁄8

105⁄8

(332)

11

(279)

151⁄8

141⁄8

121⁄8
(308)

181⁄2

(470)

161⁄4

(413)

115⁄8

12

16 ⁄16
(406)

(394)

15 ⁄2

(337)

13 ⁄4

20 ⁄8
(518)

(451)

17 ⁄4

131⁄4

185⁄16

171⁄8

145⁄8

223⁄8

195⁄8

113⁄4

(229)

(314)

(384)

(295)

(359)

(252)
(276)

(384)
(422)

(371)

233⁄8

1513⁄16

220

(116)

(648)

(438)

(368)

141⁄2

201⁄16
(510)

(476)

183⁄4

161⁄8
(410)

(622)

(546)

5 ⁄16

28 ⁄16

19 ⁄16
(484)

(406)

16

22 ⁄8

20 ⁄8

17 ⁄16

513⁄16

3015⁄16

211⁄16

173⁄4

247⁄16

227⁄8

199⁄16

(132)
(402)

51⁄8

327

(130)

330

(146)

333

(171)

53⁄4
63⁄4

713⁄16
(198)

87⁄8

(713)
(786)

35

(889)

383⁄8

(975)

421⁄8

5

(364)

(402)

171⁄4
1

(535)

231⁄4

(591)

255⁄8

(305)
(337)

(451)

195⁄8

(498)

215⁄8

9

(465)

1

(562)
(621)

267⁄8

(683)

293⁄4

1

(435)

5

(524)
(581)

25

(635)

275⁄8

1

(371)

11

(449)
(497)

211⁄2

(546)

233⁄4

(651)

(549)

(756)

(702)

(603)

309⁄16

261⁄16

(1070)

(721)

283⁄8

2313⁄16

3213⁄16

465⁄16

315⁄16

265⁄16

363⁄16
(919)

(857)

333⁄4

2813⁄16

503⁄4

347⁄16

2815⁄16

3915⁄16

373⁄16

3111⁄16

(1176)

(795)

(605)
(668)

(833)

(776)

(662)
(732)

3

(568)

3

161⁄4

311⁄2

261⁄4

(800)

33

(838)

365⁄8

(603)

(667)

283⁄4

(730)

315⁄8

(930)

(803)

40

34 9⁄16

(1016)

441⁄2

(1130)

47

(878)

381⁄4

(972)

423⁄16

5513⁄16
(1418)

(965)

38

3115⁄16
(811)

(1119)

(1043)

(889)

(1321)

(1184)

113⁄8

613⁄16

4113⁄16

351⁄8

487⁄16

451⁄8

387⁄16

57

(289)

(1554)

(1062)

(892)

441⁄16

(1230)

411⁄16

(1146)

35

(976)

133⁄4

23 ⁄4

(730)

3

101⁄8

(805)

121⁄2

(318)

28 ⁄4
3

(257)

(953)

(295)

147⁄8

344

(1014)

(270)

211⁄2

241⁄2

(1289)

(735)

93⁄4

(349)

(225)

(875)

85⁄8

(219)

(498)

340

349

85⁄8

(219)

(257)

41⁄16

222

85⁄8

(219)

101⁄8

(103)

1

85⁄8

(219)

103⁄4

218

3

173⁄4

(451)

(273)

(271)

111⁄2

(378)

(198)

14 ⁄15

251⁄2

133⁄4

147⁄8

21 ⁄4

49⁄16

121⁄2

(318)

211⁄2

(540)
(594)

(295)

(349)

(89)

1

(270)

(498)

216

1

85⁄8

135⁄8

19 ⁄2

1

85⁄8

(219)

97⁄8

(495)

1

85⁄8

(219)

(273)

(79)

1

(219)

(198)

(116)

J

H

(384)

120

336

G

(219)

233⁄8

A

CCW BH

113⁄4

(273)

(257)

41⁄16

224

H

(235)

(198)

(273)

(103)

C

H

141⁄8

(235)

(198)

118

D

C

141⁄8

(359)

(235)

(540)

G

F

(49)

(359)

(89)

H

CW TH

(49)

116

E

D
A

B

H

A

I

J

G

Size

(1194)

52

(1448)

(378)
(413)

173⁄4

(451)

211⁄4

(540)

231⁄8

(587)

25

(635)

271⁄4

(692)

295⁄8

(1072)

(752)

465⁄8

325⁄16

515⁄16

353⁄16

(1303)

(821)
(894)

All dimensions in inches (millimeters).

13

Fan Identification
Model Number Code
The model number code is designed to completely identify the fan. The correct code letters must be
specified to designate the correct construction. The remainder of the model number is determined by
the size and performance.

SW

B

-

Drive
B - Belt
D - Direct

Wheel Type

1

10 -

-

3

Fan Size

AF -

-

CW

-

TH

Wheel Rotation

06 through 49

SW - Backward-Incline
SF - Forward-Curved

14

AF

CW - Clockwise
CCW - Counterclockwise

Airfoil Wheel

(backward inclined
wheel is standard)

Series (SWB Only)

Motor HP

100 - Galvanized Construction
200 - PermatectorTM Coated
Steel Construction
300 - Galvanized and Permatector 	
Coated Steel Construction

4 = 1/4
3 = 1/3
5 = 1/2
7 = 3/4
10 = 1

15
20
30
50
75

=
=
=
=
=

1 ⁄2
2
3
5
71⁄2
1

100
150
200
300
400

Discharge Position
=
=
=
=
=

10
15
20
30
40

	UB	 	TAU 		 TH 		TAD 		DB 		BAD 		BH 		BAU 	-

Upblast
Top Angular Upblast
Top Horizontal
Top Angular Downblast
Downblast
Backward Angular Downblast
Backward Horizontal
Backward Angular Upblast

SFD Direct Drive

N
P

B

A

K
C

M
J

E

L

H

E

(Direct Drive only)

A = 1725	
B = 1140	
C = 860	

D = 1550
E = 1050
G = 1300

International
(See CAPS for performance)
K = 950 RPM	 J = 1475 RPM

H
G
F

D

Motor RPM

DIMENSIONAL DATA
Model
SFD

73⁄8

6
7.5
9
10

A

B

C

F

G

H

J

K

N

5/8

1411⁄16
(373)

(208)

83⁄16

11⁄16
(27)

(230)

(152)

(32)

11⁄4

7/8
(22)

(286)

(132)

9

51⁄4

181⁄16

121⁄4

5/8

145⁄16

81⁄8

11⁄16

95⁄8

8

11⁄4

11⁄8

1311⁄16

63⁄8

56

61⁄4

205⁄16

133⁄4

5/8

103⁄8

11⁄16

13⁄8

1513⁄16

77⁄16

145T

63⁄4

245⁄16

161⁄4

9/16

113⁄8

11⁄16

81⁄2

184T

101⁄8

121⁄8

(308)

(159)

(516)

(171)

(618)

(311)
(349)
(413)

(16)
(16)

(14)

(364)

177⁄8

(454)

193⁄8

(492)

(206)
(264)
(289)

(27)
(27)

(27)

(244)

103⁄4

(273)

123⁄4

(324)

(203

10

(254)

12

(305)

(32)

11⁄4

(32)

11⁄4

(32)

(29)
(35)

13⁄8

(35)

(348)

(402)

185⁄8

(473)

53⁄16

Max. Motor *Unit
Frame Size Weight
30
56

11

(459)

111⁄4

P

(279)

(133)

6

M

(406)

(16)

91⁄16

L

(133)

(257)

16

E

(187)
(229)

51⁄4

D

(162)
(189)
(216)

(14)

40

(18)

75

(34)

113
(51)

All dimensions in inches (millimeters) and weight in pounds (kilograms). *Approximate unit weight with largest frame size motor (60 Hz).
Model
Number

Motor
HP

Fan
RPM

SFD-6-6B

1/6

1140

SFD-6-4A

1/4

1725

SFD-7.5-6B

1/6

1140

SFD-7.5-5A

1/2

1725

SFD-9-4C

1/4

860

SFD-9-5B

1/2

1140

SFD-9-15A

11⁄2

1725

SFD-10-3C

1/3

860

SFD-10-7B

3/4

1140

SFD-10-30A

3

1725

CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones
CFM
BHP
Sones

0.125
407
0.06
6.7
667
0.24
13.6
672
0.16
10.6
1062
0.59
20
839
0.18
9.2
1159
0.46
16.1
1806
1.64
31
1259
0.36
12.3
1713
0.86
19.4
2641
3.03
39

0.25
338
0.05
6.0
628
0.22
12.8
612
0.14
9.8
1028
0.56
18.6
748
0.15
7.8
1097
0.42
14.9
1765
1.59
29
1176
0.32
11.3
1653
0.82
18.5
2603
2.98
37

0.375
232
0.03
4.7
585
0.20
12.3
549
0.13
9.4
988
0.53
16.8
645
0.12
7.0
1028
0.38
14.3
1725
1.54
28
1085
0.29
10.0
1592
0.77
17.6
2564
2.93
36

Static Pressure in Inches wg
0.5
0.75
1
1.25

541
0.17
11.7
467
0.10
8.6
949
0.50
15.8
487
0.09
6.6
957
0.34
13.6
1683
1.48
27
965
0.25
9.2
1528
0.72
17.0
2525
2.87
35

1.5

2

2.5

424
0.13
10.5

869
0.46
14.1

775
0.38
12.7

636
0.30
11.3

782
0.26
12.3
1595
1.36
25

1502
1.24
22

1407
1.13
21

1298
1.01
21

989
0.70
19.3

1378
0.64
15.7
2444
2.73
33

1163
0.52
13.9
2362
2.60
31

2275
2.44
30

2179
2.32
29

1942
2.01
27

1621
1.62
25

Performance certified is for installation Type B - Free inlet, Ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). The AMCA
Certified Ratings Seal applies to air performance only.

15

SFB-9 - Belt Drive
167⁄8

(429)

151⁄2

8

(394)

2

(51)

101⁄8

(260)

f th
is s
yste
m cu

101⁄4

65⁄8

(168)

rve

(203)

(257)

24

(610)

10

197⁄8

1 ⁄8
5

133⁄4

(254)

(505)

se
lec
t

to

t he

left
o

(41)

(349)

115⁄16

131⁄2 (343)

no
t

(287)

14 ⁄4 (362)
1

20 (508)

Do

Wheel Diameter = 91⁄2 (241)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.454 ft2 (0.042 m2)
^Approximate Unit Weight = 120 lb. (54 kg)

cfm

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

Maximum BHP at given RPM = (RPM/1747)3
(Maximum KW at a given RPM = (RPM/1926)3)

Maximum RPM = 2000 and Minimum RPM = 450
Tip Speed (ft/min.) = RPM x 2.49
(Tip Speed (m/s) = RPM x 0.0126)

SFB-9
CFM

Maximum Motor Frame Size = 145T
OV

360

792

460

1013

560

1233

660

1453

760

1674

860

1894

960

2114

1060

2334

1260

2775

1360

2995

1460

3215

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
644
0.03
6.3
681
0.05
6.8
728
0.07
7.5
780
0.09
8.5
838
0.13
9.8
909
0.17
11.1
983
0.23
11.1
1059
0.30
12.0
1216
0.48
14.2
1297
0.59
15.7
1378
0.71
17.3

0.5

0.75

1

891
0.08
11.0
930
0.11
10.8
966
0.14
10.7
1013
0.18
10.6
1064
0.23
10.9
1118
0.28
11.5
1174
0.35
12.2
1318
0.54
14.3
1392
0.66
15.7
1468
0.79
17.2

1090
0.15
10.1
1129
0.18
10.3
1166
0.23
10.7
1207
0.28
11.1
1256
0.34
11.8
1306
0.42
12.6
1417
0.61
14.6
1482
0.72
16.1
1554
0.86
17.6

1225
0.19
10.3
1264
0.23
10.6
1303
0.28
11.0
1340
0.34
11.4
1378
0.40
12.1
1426
0.49
13.2
1528
0.69
15.7
1583
0.81
17.0
1639
0.94
18.3

Static Pressure in Inches wg
1.25
1.5
1.75

1382
0.28
11.0
1422
0.34
11.8
1461
0.40
12.6
1498
0.47
13.4
1534
0.55
14.3
1631
0.77
16.8
1682
0.89
18.1
1736
1.03
19.6

1528
0.39
13.2
1568
0.46
14.0
1608
0.54
14.9
1644
0.63
15.8
1728
0.84
18.1
1777
0.98
19.5
1827
1.13
21

1628
0.44
14.5
1667
0.52
15.4
1706
0.61
16.4
1745
0.71
17.5
1818
0.92
19.5
1866
1.06
21
1915
1.22
22

2

2.25

1758
0.58
17.0
1798
0.68
18.0
1837
0.78
19.1
1911
1.01
21
1949
1.14
22
1998
1.31
24

1845
0.64
18.6
1883
0.75
19.7
1923
0.86
21
1999
1.10
23

2.5

1965
0.82
21

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

16

SFB-10 - Belt Drive

193⁄8

(492)

91⁄4

2

(216)

(394)

(51)
mc
urve

111⁄2

81⁄2

151⁄2

(235)

113⁄4

(292)

265⁄8

yste

(298)

11

21⁄4

151⁄8

(279)

221⁄4

of t
his
s

(676)

(565)

16 (406)

lec
t to

the

left

(57)

(384)

se

12 (305)

ot

203⁄8 (518)
22 (559)

167⁄8 (429)

Do

n

Wheel Diameter = 105⁄8 (270)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.705 ft2 (0.065 m2)
^Approximate Unit Weight = 130 lb. (59 kg)

cfm

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

Maximum BHP at given RPM = (RPM/1310)3
(Maximum KW at a given RPM = (RPM/1444)3)

Maximum RPM = 1650 and Minimum RPM = 400
Tip Speed (ft/min.) = RPM x 2.78
(Tip Speed (m/s) = RPM x 0.0141)

SFB-10
CFM

Maximum Motor Frame Size = 145T

OV

600

851

790

1121

980

1390

1170

1660

1360

1930

1550

2199

1740

2469

1930

2739

2120

3008

2310

3278

2500

3548

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
526
0.05
5.6
575
0.08
6.2
633
0.13
7.1
693
0.19
8.3
760
0.27
9.9
828
0.37
11.1
898
0.50
11.4
973
0.66
12.4
1050
0.85
13.8
1128
1.08
15.3
1207
1.36
17.1

0.5

0.75

1

730
0.12
9.1
777
0.18
10.3
828
0.25
10.7
887
0.35
10.7
946
0.46
11.0
1009
0.60
11.7
1077
0.77
12.7
1145
0.97
13.9
1214
1.21
15.2
1285
1.48
16.9

897
0.23
10.3
944
0.32
10.3
994
0.42
10.7
1049
0.54
11.3
1109
0.70
12.1
1169
0.87
13.0
1232
1.09
14.1
1299
1.34
15.6
1368
1.63
17.4

1013
0.30
10.2
1045
0.38
10.6
1092
0.50
11.0
1142
0.63
11.6
1196
0.79
12.4
1256
0.99
13.6
1316
1.21
15.0
1376
1.46
16.5
1441
1.76
18.3

Static Pressure in Inches wg
1.25
1.5
1.75

1144
0.45
10.9
1181
0.57
11.3
1229
0.73
12.0
1279
0.89
13.1
1332
1.08
14.5
1393
1.33
16.0
1452
1.59
17.6
1512
1.90
19.4

1263
0.64
12.0
1309
0.81
13.0
1357
1.00
14.2
1407
1.20
15.6
1461
1.43
17.1
1522
1.72
18.8
1581
2.04
21

1349
0.73
13.3
1383
0.89
14.2
1430
1.09
15.5
1479
1.32
16.8
1529
1.56
18.3
1585
1.84
20
1645
2.18
22

2

1430
0.81
14.7
1456
0.97
15.5
1499
1.18
16.8
1546
1.43
18.1
1596
1.69
19.8
1647
1.97
22

2.25

2.5

1531
1.02
17.0
1564
1.27
18.1
1611
1.53
19.8

1603
1.17
18.7
1629
1.37
19.9

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

17

SFB-12 - Belt Drive
213⁄8

93⁄4

131⁄4

9

151⁄2

(248)

2

(229)

(394)

(51)
mc
urve

(543)

135⁄8

(337)

(346)

11⁄2

of t
his
s

(330)

221⁄4

151⁄8

yste

13

283⁄8

(721)

(565)

207⁄8 (530)
221⁄2 (572)

se

12 (305)

ot

16 (406)
167⁄8 (429)

lec
t to

the

left

(38)

(384)

Do

n

Wheel Diameter = 125⁄8 (321)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.856 ft2 (0.08 m2)
^Approximate Unit Weight = 147 lb. (67 kg)

cfm

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

Maximum BHP at given RPM = (RPM/1111)3
(Maximum KW at a given RPM = (RPM/1225)3)

Maximum RPM = 1400 and Minimum RPM = 370
Tip Speed (ft/min.) = RPM x 3.30
(Tip Speed (m/s) = RPM x 0.0168)

SFB-12
CFM

Maximum Motor Frame Size = 145T

OV

825

964

1065

1244

1305

1525

1545

1805

1785

2086

2025

2367

2265

2647

2505

2928

2745

3208

2985

3489

3225

3769

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
455
0.07
5.7
493
0.12
6.3
533
0.18
7.1
580
0.26
8.2
632
0.36
9.6
686
0.49
11.0
747
0.67
11.8
809
0.88
13.0
873
1.13
14.5
937
1.43
16.1
1002
1.77
17.8

0.5

0.75

1

631
0.18
9.3
665
0.25
10.2
703
0.35
10.5
743
0.47
10.7
789
0.61
11.4
837
0.79
12.2
889
1.00
13.2
943
1.26
14.4
1001
1.56
15.8
1062
1.92
17.4

773
0.33
10.3
806
0.43
10.6
844
0.57
11.1
883
0.74
11.8
925
0.93
12.6
971
1.15
13.5
1019
1.41
14.6
1071
1.72
16.2
1124
2.08
17.8

871
0.40
10.5
897
0.52
11.0
931
0.67
11.5
969
0.85
12.2
1008
1.06
12.9
1048
1.30
14.1
1093
1.58
15.6
1140
1.90
17.1

Static Pressure in Inches wg
1.25
1.5
1.75

983
0.62
11.3
1010
0.77
11.8
1045
0.96
12.7
1083
1.19
13.9
1122
1.45
15.3
1162
1.75
16.7
1205
2.08
18.2

1061
0.71
12.0
1087
0.88
13.0
1116
1.07
14.0
1152
1.31
15.2
1190
1.59
16.6
1230
1.91
18.0

1158
0.99
14.4
1185
1.19
15.5
1217
1.44
16.6
1254
1.73
17.9
1292
2.06
19.5

2

2.25

2.5

1225
1.09
16.0
1251
1.32
17.0
1278
1.56
18.1
1314
1.87
19.5

1313
1.44
18.6
1340
1.70
19.8
1370
2.00
21

1373
1.56
20
1399
1.84
22

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

18

SFB-15 - Belt Drive
Note: New dimensions on this model
233⁄8

(594)

105⁄8

123⁄4

213⁄4

(270)

2

(324)

(51)
curv
e

(552)

16

145⁄8

stem

(406)

(371)

(391)

243⁄4

of th
i

11⁄2

165⁄8

s sy

153⁄8

311⁄4

(371)

(629)

175⁄8 (448)

ele
ct
to

the

left

(38)

(422)

13 (330)

no
ts

30 (762)
325⁄8 (829)

187⁄8 (479)

Do

Wheel Diameter = 15 (381)
Shaft Diameter = 1 (25)
Outlet Area = 1.39 ft2 (0.129 m2)
Mounting Hole Size = 1/2 (13)
^Approximate Unit Weight = 214 lb. (97 kg)

cfm

Maximum BHP at given RPM = (RPM/720)3

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

(Maximum KW at a given RPM = (RPM/794)3)

Maximum RPM = 1200 and Minimum RPM = 380
Tip Speed (ft/min.) = RPM x 3.93
(Tip Speed (m/s) = RPM x 0.0200)

SFB-15
CFM

Maximum Motor Frame Size = 184T

OV

1560

1125

1860

1342

2160

1558

2460

1775

2760

1991

3060

2208

3360

2424

3660

2641

3960

2857

4260

3074

4560

3290

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
395
0.16
6.0
421
0.23
7.5
450
0.32
9.9
481
0.42
10.9
514
0.56
11.5
549
0.72
12.7
585
0.91
14.1
623
1.14
15.9
662
1.41
17.8
701
1.71
18.9
742
2.06
20

0.5
508
0.25
8.1
529
0.33
8.8
554
0.44
9.6
580
0.56
10.6
608
0.71
11.9
637
0.89
13.5
668
1.11
14.9
701
1.35
16.0
734
1.63
17.3
768
1.95
18.6
804
2.32
19.8

0.75

1

619
0.43
9.4
638
0.55
10.3
663
0.70
11.4
688
0.87
12.3
715
1.07
13.2
742
1.29
14.0
772
1.56
14.7
802
1.86
15.9
834
2.20
17.2
867
2.59
18.8

716
0.67
11.2
734
0.83
12.0
759
1.03
12.8
784
1.24
13.5
810
1.49
14.1
837
1.76
14.7
865
2.07
15.4
895
2.44
16.6
925
2.85
18.4

Static Pressure in Inches wg
1.25
1.5
1.75

803
0.97
13.4
822
1.17
14.0
846
1.41
14.6
871
1.68
15.0
897
1.98
15.4
924
2.31
16.3
951
2.67
17.6
980
3.09
19.2

865
1.09
15.2
884
1.32
15.6
903
1.57
16.0
928
1.87
16.5
953
2.18
17.0
979
2.54
17.7
1005
2.93
18.9
1032
3.35
20

941
1.47
17.2
959
1.74
17.5
980
2.04
17.9
1005
2.39
18.6
1030
2.76
19.3
1056
3.17
20
1082
3.63
22

2

2.5

2.75

1013
1.90
19.0
1031
2.22
19.4
1053
2.58
20
1078
2.98
21
1103
3.41
22
1129
3.89
23

1128
2.58
22
1147
2.98
23
1166
3.40
23
1191
3.88
24

1174
2.75
24
1192
3.17
24

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

19

SFB-18 - Belt Drive
307⁄8

22

133⁄4

(349)

195⁄8

173⁄4

(559)

2

(451)

(51)

curv
e

(784)

stem

193⁄8

(498)

42

(1067)

191⁄4

331⁄4

11⁄2

223⁄8

of t
his
sy

(492)
(489)

(845)

ts
ele

18 (457)

35 (889)
367⁄8 (937)

no

233⁄8 (594)
251⁄8 (638)

ct

to

the

left

(38)

(568)

Do

cfm

Wheel Diameter = 181⁄8 (460)
Shaft Diameter = 1 (25)
Outlet Area = 2.29 ft2 (0.213 m2)
Mounting Hole Size = 1/2 (13)
^Approximate Unit Weight = 265 lb. (120 kg)

Maximum BHP at given RPM = (RPM/614)3

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

(Maximum KW at a given RPM = (RPM/677)3)

Maximum RPM = 1050 and Minimum RPM = 310
Tip Speed (ft/min.) = RPM x 4.75
(Tip Speed (m/s) = RPM x 0.0241)

SFB-18
CFM

Maximum Motor Frame Size = 184T
OV

2725

1188

3150

1374

3575

1559

4000

1744

4425

1930

4850

2115

5275

2300

5700

2486

6125

2671

6550

2857

6975

3042

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
364
0.29
8.4
388
0.39
10.3
415
0.52
11.1
444
0.68
12.0
473
0.87
13.6
503
1.09
15.5
534
1.36
17.7
566
1.67
19.2
599
2.03
20
631
2.43
22
664
2.88
24

0.5
464
0.44
9.2
481
0.56
10.1
500
0.70
11.3
524
0.89
13.1
548
1.09
14.7
573
1.34
15.8
601
1.63
17.1
630
1.96
18.6
660
2.34
20
689
2.76
21
720
3.23
23

0.75
550
0.60
10.2
563
0.74
11.2
578
0.90
12.2
596
1.10
13.1
615
1.32
14.0
638
1.59
14.8
662
1.90
15.6
687
2.24
16.9
714
2.64
18.5
743
3.09
20
771
3.60
23

1

635
0.93
12.6
648
1.11
13.4
662
1.32
14.0
680
1.57
14.4
698
1.85
14.8
719
2.17
15.6
743
2.55
16.6
767
2.96
18.0
791
3.41
20
818
3.93
22

Static Pressure in Inches wg
1.25
1.5
1.75

712
1.33
15.5
725
1.56
15.8
738
1.81
15.9
756
2.12
16.2
774
2.46
16.7
793
2.83
17.9
817
3.28
19.4
840
3.77
21
865
4.30
23

782
1.80
17.7
795
2.08
17.8
809
2.38
18.1
826
2.75
18.7
844
3.15
19.5
863
3.58
21
886
4.10
22
909
4.67
24

836
2.03
19.5
848
2.34
19.7
861
2.68
20
875
3.04
20
893
3.47
21
911
3.94
22
929
4.43
24
951
5.02
26

2

2.25

898
2.60
21
910
2.97
22
923
3.35
22
938
3.78
23
956
4.28
24
974
4.81
26
992
5.38
27

943
2.86
23
957
3.26
24
970
3.67
24
982
4.11
25
998
4.61
26
1016
5.18
27
1034
5.78
29

2.5

1001
3.54
25
1013
3.99
26
1026
4.46
26
1039
4.95
27

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

20

SFB-20 - Belt Drive
335⁄8

(854)

2

(403)

(603)

(51)
e

211⁄2

157⁄8

233⁄4

147⁄8

(378)

curv

22

(546)

46

211⁄8

361⁄8

(918)

his

11⁄2

241⁄2

(537)

of t

(1168)

s ys
tem

(559)

(38)

27 ⁄8 (695)
3

ts
ele
c

191⁄2 (495)

255⁄8 (651)

t to

the

left

(622)

35 (889)
37 (940)

n
Do

cfm

Wheel Diameter = 20 (508)
Shaft Diameter = 11⁄4 (32)
Outlet Area = 2.40 ft2 (0.223 m2)
Mounting Hole Size = 5/8 (16)
^Approximate Unit Weight = 405 lb (184 kg)

Maximum BHP at given RPM = (RPM/485)3

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

(Maximum KW at a given RPM = (RPM/535)3)

Maximum RPM = 950 and Minimum RPM = 270
Tip Speed (ft/min.) = RPM x 5.24
(Tip Speed (m/s) = RPM x 0.0266)

SFB-20
CFM

Maximum Motor Frame Size = 215T

OV

3275

1362

3800

1581

4325

1799

4850

2018

5375

2236

5900

2455

6425

2673

6950

2892

7475

3110

8000

3329

8525

3547

o

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
320
0.37
8.1
343
0.51
10.3
369
0.70
11.3
396
0.92
12.3
424
1.19
14.0
454
1.52
16.1
484
1.90
18.6
515
2.36
20
546
2.88
22
578
3.47
24
610
4.14
26

0.5
402
0.53
9.1
420
0.70
10.1
440
0.90
11.5
462
1.15
13.4
485
1.45
15.4
511
1.80
16.8
537
2.22
18.4
565
2.69
19.8
593
3.24
21
622
3.86
23
652
4.55
24

0.75

1

487
0.90
11.3
503
1.13
12.6
521
1.39
13.7
542
1.71
14.7
564
2.08
15.5
587
2.52
16.8
612
3.02
18.5
638
3.59
20
665
4.24
22
692
4.96
24

561
1.36
13.1
576
1.64
13.9
594
1.99
14.5
614
2.38
15.3
634
2.83
16.1
657
3.36
17.0
681
3.95
19.2
705
4.61
22
731
5.37
24

Static Pressure in Inches wg
1.25
1.5
1.75

613
1.61
14.6
628
1.91
15.0
642
2.26
15.3
661
2.68
15.5
679
3.15
16.5
700
3.70
18.0
722
4.30
19.5
745
5.00
22
769
5.77
24

676
2.19
16.7
689
2.56
16.9
704
2.98
17.3
722
3.49
18.0
741
4.04
19.3
761
4.68
21
782
5.38
23
805
6.18
25

733
2.87
18.6
747
3.30
19.0
762
3.81
19.8
780
4.41
21
799
5.05
22
819
5.79
24
840
6.59
26

2

2.5

2.75

788
3.64
21
801
4.15
21
818
4.76
22
836
5.44
24
854
6.18
25
875
7.02
28

877
4.89
24
890
5.51
25
904
6.20
27
922
7.02
29
940
7.89
31

911
5.26
26
925
5.92
26
938
6.61
28

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

21

SFB-22 - Belt Drive
363⁄4

(933)

24

16

(406)

21⁄2

(445)

(64)
curv
e

233⁄4

171⁄2

(610)

275⁄8

(603)

stem

(702)

11⁄2

283⁄4

of t
his
sy

23

521⁄2

(1334)

(584)

411⁄2

(1054)

281⁄4 (718)

se
lec
t to

t he

left

(38)

(730)

20 (508)

no
t

341⁄8 (867)
395⁄8 (1006)

303⁄4 (781)

Do

Wheel Diameter = 221⁄8 (562)
Shaft Diameter = 11⁄4 (32)
Outlet Area = 3.23 ft2 (0.300 m2)
Mounting Hole Size = 5/8 (16)
^Approximate Unit Weight = 540 lb (245 kg)

cfm

Maximum BHP at given RPM = (RPM/418)3

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

(Maximum KW at a given RPM = (RPM/461)3)

Maximum RPM = 900 and Minimum RPM = 240
Tip Speed (ft/min.) = RPM x 5.79
(Tip Speed (m/s) = RPM x 0.0294)

SFB-22
CFM

Maximum Motor Frame Size = 215T
OV

4000

1240

4950

1534

5900

1829

6850

2123

7800

2418

8750

2712

9700

3007

10650 3301

11600 3596

12550 3890

13500 4185

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
285
0.44
8.6
315
0.71
11.3
350
1.09
14.1
388
1.60
17.2
428
2.25
21
470
3.08
24
512
4.09
27
555
5.33
30
599
6.79
34
643
8.51
38
688
10.5
42

0.5
359
0.64
10.5
385
0.96
13
410
1.37
15.9
441
1.91
19.3
475
2.61
22
511
3.47
25
550
4.53
28
590
5.80
32
631
7.30
37
672
9.04
40
714
11.1
44

0.75
419
0.83
12.8
441
1.20
15.4
467
1.68
17.9
491
2.25
20
520
2.98
23
552
3.87
26
587
4.97
30
623
6.27
34
662
7.83
38
701
9.62
42
742
11.7
46

1

Static Pressure in Inches wg
1.25
1.5
2

491
1.43
16.6
514
1.96
19
540
2.61
22
564
3.37
25
593
4.30
28
624
5.43
31
658
6.77
35
693
8.34
38
730
10.17
42
768
12.3
47

535
1.67
18
557
2.23
20
582
2.95
23
608
3.79
26
632
4.75
30
660
5.90
32
691
7.28
36
724
8.88
39
759
10.76
43
794
12.9
48

598
2.52
22
620
3.26
24
646
4.17
28
671
5.21
30
695
6.39
34
724
7.79
37
755
9.44
41
788
11.33
45
822
13.5
49

691
3.92
26
713
4.88
29
739
6.08
32
764
7.41
36
789
8.90
40
813
10.54
44
844
12.56
48
875
14.8
53

2.5

755
4.56
29
776
5.64
31
798
6.87
34
824
8.35
39
850
10
43
874
11.82
47
898
13.8
52

3

3.25

834
6.38
34
854
7.71
37
877
9.24
41

861
6.75
36
881
8.14
39

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

22

SFB-25 - Belt Drive
403⁄8

(1026)

171⁄2

191⁄2

25

(445)

(495)

315⁄8

261⁄4

573⁄4

257⁄8

453⁄4

11⁄2

311⁄2

(657)

(1162)

ft o
f

(1467)

this
syst
e

(803)

(667)

(38)

36 (914)
411⁄2 (1054)

Wheel Diameter = 25 (635)
Shaft Diameter = 11⁄2 (38)
Outlet Area = 4.21 ft2(0.391 m2)
Mounting Hole Size = 5/8 (16)
^Approximate Unit Weight = 700 lb. (318 kg)

1651

7900

1877

8850

2103

9800

2329

10750 2554

11700 2780

12650 3006

13600 3232

14550 3457

15500 3683

(Maximum KW at a given RPM = (RPM/335)3)

Maximum RPM = 750 and Minimum RPM = 190
Tip Speed (ft/min.) = RPM x 6.54
Maximum Motor Frame Size = 284T

OV

6950

Maximum BHP at given RPM = (RPM/304)3

(Tip Speed (m/s) = RPM x 0.0332)

SFB-25

1425

Do

cfm

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

6000

ts

197⁄8 (505)

335⁄8 (854)

no

311⁄8 (791)

ele
ct

to

the
le

(800)

CFM

21⁄2

(64)
mc
urve

(635)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
246
0.74
8.4
263
1.02
10.3
283
1.39
12.1
304
1.85
14.1
326
2.40
16.1
349
3.07
18.4
373
3.86
21
397
4.78
23
421
5.84
25
445
7.04
27
471
8.43
29

0.5
310
1.03
10.4
324
1.37
11.9
338
1.78
13.7
354
2.29
15.7
372
2.87
18.0
391
3.58
20
412
4.42
22
433
5.37
24
455
6.46
26
478
7.72
29
501
9.15
31

0.75
363
1.32
12.5
375
1.72
14.3
387
2.17
16.2
401
2.73
17.9
416
3.36
19.6
432
4.12
21
450
4.99
23
468
5.96
25
488
7.13
27
510
8.43
30
531
9.88
33

Static Pressure in Inches wg
1
1.25
1.5
2
412
1.65
14.5
419
463
2.05
2.42
15.8
17.3
431
470
508
2.57
2.95
3.34
17.3
18.6
20
444
482
518
585
3.15
3.61
4.03
4.93
19.0
20
22
25
457
495
530
593
3.86
4.32
4.83
5.76
21
22
23
26
471
508
542
605
4.65
5.19
5.70
6.79
23
24
25
27
487
522
556
617
5.57
6.16
6.73
7.89
25
26
28
29
504
537
569
629
6.62
7.22
7.88
9.07
27
28
30
32
521
553
584
643
7.79
8.48
9.13
10.51
29
31
32
34
539
570
600
657
9.09
9.86
10.58
12.04
31
33
34
36
559
588
617
671
10.62
11.37
12.18
13.68
34
35
36
39

2.5

654
6.81
29
660
7.78
30
672
9.05
32
684
10.39
34
696
11.82
36
709
13.43
39
723
15.26
42

3

3.25

716
8.96
33
722
10.11
35
734
11.62
36
746
13.21
39

743
9.57
35
748
10.74
36

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

23

SFB-27 - Belt Drive
44

(1118)

19

27

(483)

213⁄8

(543)

21⁄2

(64)
urve

281⁄8

(686)

of t
his
sys
tem
c

341⁄2

(714)

(876)

611⁄8

281⁄2

(724)

491⁄8

(1553)

35⁄8 (1248)

33

221⁄4 (565)

401⁄2 (1029)
46 (1168)

no
ts

351⁄8 (892)
375⁄8 (956)

el e
ct

to

the

(838)

left

(92)

Do

Wheel Diameter = 271⁄2 (699)
Shaft Diameter = 11⁄2 (38)
Outlet Area = 4.97 ft2 (0.462 m2)
Mounting Hole Size = 5/8 (16)
^Approximate Unit Weight = 845 lb. (383 kg)

cfm

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

(Maximum KW at a given RPM = (RPM/314)3)

Maximum RPM = 700 and Minimum RPM = 200
Tip Speed (ft/min.) = RPM x 7.20
(Tip Speed (m/s) = RPM x 0.0366)

SFB-27
CFM

Maximum BHP at given RPM = (RPM/285)3

Maximum Motor Frame Size = 286T
OV

8600

1729

9750

1961

10900 2192

12050 2423

13200 2655

14350 2886

15500 3117

16650 3349

17800 3580

18950 3811

20100 4043

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
245
1.29
11.1
264
1.75
13.1
284
2.31
15.1
305
3.02
17.3
327
3.85
19.8
349
4.83
22
372
5.97
25
395
7.27
27
418
8.76
29
441
10.40
32
465
12.40
34

0.5
297
1.72
12.5
310
2.21
14.6
327
2.84
16.7
344
3.58
19.2
363
4.46
22
382
5.47
24
403
6.64
26
424
8.02
28
446
9.59
31
468
11.30
34
490
13.30
37

0.75
345
2.17
15.1
355
2.71
17.0
368
3.38
18.9
381
4.14
21
398
5.09
23
415
6.16
25
434
7.40
27
453
8.80
29
472
10.37
32
492
12.10
35
514
14.20
39

Static Pressure in Inches wg
1
1.25
1.5
2
388
427
462
2.61
3.07
3.56
16.7
18.2
20
397
434
470
3.23
3.73
4.26
18.4
19.7
21
407
444
477
540
3.94
4.51
5.05
6.24
20
21
23
26
419
454
487
547
4.78
5.39
6.03
7.28
22
23
25
27
432
465
497
556
5.73
6.41
7.09
8.45
24
25
27
29
447
478
508
566
6.83
7.57
8.30
9.80
26
28
29
31
464
491
521
576
8.14
8.84
9.68
11.25
28
30
32
34
481
508
535
588
9.60
10.38
11.17
12.90
31
33
34
36
499
525
550
601
11.24
12.10
12.92
14.74
34
35
36
39
518
543
567
614
13.10
14.00
14.90
16.70
37
38
39
41
538
561
585
629
15.10
16.10
17.10
18.90
39
40
41
44

2.5

3

603
8.58
30
610
9.86
32
618
11.22
33
628
12.88
36
638
14.64
39
648
16.49
41
661
18.70
44
674
21.00
47

652
9.95
34
660
11.28
35
668
12.80
37
676
14.41
39
685
16.36
41
695
18.42
44

3.25

683
12.04
37
691
13.58
39
699
15.28
40

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

24

SFB-30 - Belt Drive
483⁄4

(1238)

21

27

(533)

(594)

21⁄2

(64)
curv
e

313⁄8

233⁄8

(686)

367⁄8

(797)

68

(1727)

11⁄2

365⁄8

of t
his
syst
em

(937)

313⁄4

(806)

533⁄4

(1365)

ct

to

the

left

(38)

(930)

no
D

o

423⁄4 (1086)
481⁄4 (1226)

ts
el e

221⁄2 (572)

383⁄8 (975)
411⁄8 (1045)

Wheel Diameter = 30 (762)
Shaft Diameter = 11⁄2 (38)
Outlet Area = 5.72 ft2 (0.531 m2)
Mounting Hole Size = 5/8 (16)
^Approximate Unit Weight = 940 lb. (426 kg)

cfm

All dimensions in inches (millimeters)
For additional discharge positions see page 12
^Weight shown is largest cataloged Open Drip Proof motor

11525 2015

13050 2282

14575 2549

16100 2816

17625 3082

19150 3349

20675 3616

22200 3883

23725 4149

25250 4416

Maximum RPM = 650 and Minimum RPM = 175
Tip Speed (ft/min.) = RPM x 7.86
Maximum Motor Frame Size = 286T

OV

10000 1749

(Maximum KW at a given RPM = (RPM/263)3)

(Tip Speed (m/s) = RPM x 0.0399)

SFB-30
CFM

Maximum BHP at given RPM = (RPM/239)3

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
245
1.60
13.0
267
2.25
15.7
291
3.10
18.7
316
4.14
22
342
5.42
25
369
6.98
28
397
8.82
31
424
11.00
35
452
13.40
39
480
16.20
43
508
19.40
46

0.5
293
2.12
15.0
311
2.85
17.9
330
3.73
21
352
4.85
23
375
6.18
26
399
7.78
29
423
9.65
33
448
11.80
37
474
14.30
42
501
17.20
45
528
20.50
49

0.75
332
2.59
17.3
350
3.44
19.7
368
4.44
22
387
5.60
25
406
6.96
28
428
8.64
31
450
10.57
35
474
12.80
39
498
15.40
42
523
18.30
46
548
21.50
51

Static Pressure in Inches wg
1
1.25
1.5
2
369
403
434
3.13
3.63
4.19
18.6
20
22
383
416
446
501
3.98
4.60
5.19
6.43
21
22
24
27
401
430
459
513
5.09
5.69
6.39
7.73
24
25
27
29
419
448
474
526
6.37
7.10
7.78
9.31
27
28
30
31
437
466
492
539
7.84
8.69
9.49
11.02
30
32
33
35
456
484
510
557
9.51
10.49
11.40
13.12
33
35
36
38
477
503
529
575
11.50
12.50
13.55
15.51
36
38
39
42
499
523
547
593
13.80
14.80
15.90
18.10
40
41
43
46
521
545
566
612
16.40
17.50
18.60
21.00
43
45
46
50
545
567
588
630
19.40
20.60
21.70
24.20
47
49
51
55
569
589
610
649
22.80
23.90
25.20
27.70
52
53
55
59

2.5

3

3.25

562
9.15
32
573
10.79
34
586
12.74
37
600
14.86
41
616
17.32
45
634
20.20
49

606
10.56
35
617
12.37
38
629
14.38
40
642
16.73
44

638
13.16
40
649
15.20
42

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

25

SWB-106 - Belt Drive
Series 100
SWB-106
3.5

93⁄4

151⁄2

(219)

2

(248)

(394)

½

(51)

3.0

151⁄8

(279)

(565)

(384)

237

220

289

260

342

300

395

340

447

380

500

420

553

460

605

500

658

100

200

200

0

180

670

300
Volume (cfm)
400

400

600

500

600

800

1000

Maximum BHP at a given RPM = (RPM/3706)3
(Maximum KW at a given RPM = (RPM/4086)3)

Maximum RPM = 3000
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)

Maximum Motor Frame Size = 145T

OV

184

00

Volume (m3/hr)

SWB-106

140

16
1135

30

0

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

132

0.0
0

25

0

Wheel Diameter = 111⁄8 (283)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.76 ft2 (0.07 m 2 )
^Approximate Unit Weight = 135 lb. (61 kg)

100

0.5

7

167⁄8 (429)

CFM

1.0

2
1

21 ⁄8 (556)
231⁄2 (597)

1.5

65

12 (305)

3

20

16 (406)

4

300

(38)

the
left
of

1 ⁄2
1

¼
2.0

sel
ect
to

11

221⁄4

(676)

5

no
t

(286)

3

2.5

Do

(292)

265⁄8

6

Static Pressure (in. wg)

111⁄4

Static Pressure (Pa x 100)

7

111⁄2

RPM
HP
Density 0.075 lb/ft3

8
rve

85⁄8

this
syst
em c
u

183⁄4

(476)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
936
0.02
5.4
1023
0.02
6.0
1172
0.03
6.6
1356
0.05
7.2
1550
0.07
8.0
1749
0.09
9.1
1952
0.13
10.5
2156
0.17
12.2
2361
0.23
14.7
2567
0.29
17.9
2775
0.37
22

0.5
1273
0.04
6.8
1322
0.04
7.1
1398
0.05
7.5
1522
0.07
8.2
1681
0.09
9.0
1866
0.12
10.1
2056
0.15
11.5
2253
0.20
12.8
2452
0.26
14.2
2654
0.32
16.2
2858
0.40
22

0.75
1542
0.06
8.0
1574
0.07
8.4
1632
0.08
8.9
1712
0.10
9.4
1830
0.12
10.2
1976
0.15
11.3
2158
0.19
12.5
2344
0.23
13.7
2535
0.29
15.1
2732
0.36
16.9
2931
0.44
18.9

1

1799
0.11
9.8
1843
0.12
10.2
1906
0.13
10.9
1993
0.15
11.8
2113
0.18
12.8
2258
0.22
13.7
2434
0.27
14.7
2618
0.33
16.1
2806
0.40
17.8

Static Pressure in Inches wg
1.25
1.5
1.75

1999
0.14
11.5
2031
0.16
11.9
2088
0.17
12.6
2155
0.19
13.2
2253
0.22
14.0
2379
0.26
14.9
2524
0.31
16.2
2699
0.37
17.2
2883
0.44
18.9

2179
0.18
13.1
2210
0.20
13.4
2257
0.22
13.9
2318
0.24
14.5
2391
0.27
15.2
2500
0.31
16.2
2633
0.35
17.4
2779
0.42
18.8
2956
0.49
19.8

2376
0.24
14.8
2413
0.26
15.2
2470
0.29
15.9
2537
0.32
16.6
2626
0.35
17.5
2736
0.40
18.6
2879
0.46
20

2

2.25

2.5

2531
0.29
16.3
2561
0.31
16.7
2614
0.34
17.4
2676
0.37
18.0
2745
0.41
18.7
2852
0.45
19.9
2973
0.51
21

2676
0.34
17.9
2706
0.37
18.3
2751
0.39
18.8
2808
0.42
19.5
2876
0.46
20
2963
0.51
21

2813
0.39
19.4
2844
0.42
19.8
2880
0.45
20
2936
0.48
21
3000
0.52
22

Performance certified is for installation Type B - free inlet, ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

26

SWB-107 - Belt Drive
Series 100

SWB-107

183⁄4

3.5

(565)

1

21 ⁄8 (556)
231⁄2 (597)

0

263

260

342

320

421

380

500

440

579

500

658

560

737

620

816

680

895

740

974

curv
e

60

670

100

200

200

400

300
400
500
Volume (cfm)
600

800

600

1000

700

800

1200

Maximum BHP at a given RPM = (RPM/3706)3
(Maximum KW at a given RPM = (RPM/3851)3)

Maximum RPM = 2900
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)

Maximum Motor Frame Size = 145T

OV

200

15

1115

Volume (m3/hr)

SWB-107

184

0.0
0

0

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

140

0.5

7

Wheel Diameter = 111⁄8 (283)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.76 ft2 (0.07 m 2 )
^Approximate Unit Weight = 135 lb. (61 kg)

CFM

1.0

05

12 (305)

2

1.5

20

16 (406)
167⁄8 (429)

3

00

(384)

4

2.0

50
24

(38)

5

29

11⁄2

151⁄8

(279)

this

11

221⁄4

¼

2.5

the
left
of

265⁄8

(676)

6

no
ts
ele
ct
to

(286)

3

7

Do

111⁄4

(292)

3.0

(51)

RPM
HP
Density 0.075 lb/ft3

syst
em

2

(248)

(394)

½

8

Static Pressure (in. wg)

15 ⁄2

(219)

111⁄2

93⁄4

1

Static Pressure (Pa x 100)

85⁄8

¾

(476)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
891
0.02
4.5
1008
0.02
5.1
1184
0.04
6.0
1372
0.06
7.3
1573
0.09
8.6
1782
0.12
10.1
1994
0.17
11.8
2208
0.23
14.1
2421
0.30
16.6
2636
0.39
19.5
2852
0.50
23

0.5
1198
0.04
5.9
1264
0.04
6.2
1374
0.06
6.8
1531
0.08
7.7
1713
0.11
8.9
1900
0.15
10.6
2096
0.20
12.3
2302
0.27
14.1
2512
0.34
17.0
2723
0.44
22

Static Pressure in Inches wg
1.25
1.5
1.75

0.75

1

1494
0.07
7.3
1572
0.09
7.7
1686
0.11
8.4
1840
0.14
9.7
2020
0.19
11.3
2205
0.24
12.9
2394
0.30
14.7
2593
0.38
16.7
2799
0.48
19.0

1695
0.10
8.5
1759
0.12
8.8
1848
0.14
9.5
1970
0.18
10.7
2129
0.22
12.0
2308
0.28
13.5
2492
0.35
15.5
2680
0.43
17.6
2872
0.52
19.9

1877
0.13
9.8
1931
0.15
10.1
2005
0.18
10.6
2105
0.21
11.6
2238
0.26
12.7
2404
0.32
14.2
2583
0.39
16.1
2767
0.48
18.5

2088
0.19
11.3
2156
0.22
11.8
2244
0.25
12.6
2358
0.30
13.7
2493
0.36
14.9
2669
0.44
16.8
2850
0.53
19.1

2239
0.23
12.6
2299
0.26
13.0
2375
0.30
13.7
2472
0.34
14.7
2601
0.41
16.1
2751
0.48
17.5

2

2.25

2.5

2380
0.27
13.8
2432
0.30
14.2
2502
0.34
14.9
2593
0.39
15.9
2705
0.45
17.2
2838
0.53
18.4

2512
0.32
15.2
2559
0.35
15.6
2627
0.39
16.3
2708
0.44
17.2
2805
0.50
18.3

2684
0.40
17.0
2745
0.44
17.6
2817
0.49
18.5

Performance certified is for installation Type B - free inlet, ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

27

SWB-108 - Belt Drive
Series 100
SWB-108

85⁄8

151⁄2

(219)

(394)

4.0

93⁄4

2

(248)

9

(51)

¾

½

3.5

1 ⁄2
1

151⁄8

(279)

(565)

(38)

(384)

395

400

526

500

658

600

789

700

921

800

1053

900

1184

1000

1316

1100

1447

1200

1579

1.0
0.5
0.0
0

0

2

2

4

4

6

50

25

0

670

19

15

110

6
8
Volume (cfm x 100)
8

10

10 12 14 16
Volume (m3/hr x 100)

12

18

20

14

22

Maximum BHP at a given RPM = (RPM/3233)3
(Maximum KW at a given RPM = (RPM/3564)3)

Maximum RPM = 2800
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)

Maximum Motor Frame Size = 145T

OV

300

1.5

00
28

0

SWB-108

263

2

2.0

75

217⁄8 (556)
231⁄2 (597)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

200

3

1

Wheel Diameter = 111⁄8 (283)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.76 ft2 (0.07 m 2 )
^Approximate Unit Weight = 135 lb. (61 kg)

CFM

4

¼

23

12 (305)

16 (406)
167⁄8 (429)

5

3

2.5

this
sy

221⁄4

(676)

6

to t
he
left
of

11

3.0

no
ts
ele
ct

265⁄8

7

Do

111⁄4
(286)

Static Pressure (in. wg)

111⁄2

Static Pressure (Pa x 100)

8

(292)

RPM
HP
Density 0.075 lb/ft3

stem
curv
e

183⁄4
(476)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
860
0.02
5.5
982
0.03
6.6
1141
0.04
7.2
1317
0.07
8.0
1504
0.09
9.1
1699
0.13
10.3
1899
0.18
12.1
2102
0.24
13.9
2308
0.32
15.6
2517
0.41
18.7
2728
0.52
23

0.5
1148
0.04
6.8
1235
0.05
7.0
1357
0.07
7.7
1506
0.10
8.6
1673
0.14
9.8
1849
0.18
11.5
2035
0.23
13.3
2227
0.30
14.7
2423
0.38
16.6
2623
0.48
18.7

0.75

1

1443
0.09
7.7
1551
0.11
8.2
1675
0.14
9.2
1825
0.18
10.5
1989
0.23
12.5
2162
0.29
13.9
2344
0.37
15.5
2531
0.45
17.4
2723
0.55
19.7

1635
0.12
8.7
1719
0.15
9.0
1837
0.18
9.8
1965
0.22
11.2
2119
0.28
12.9
2282
0.34
14.5
2455
0.43
16.2
2634
0.53
18.2

Static Pressure in Inches wg
1.25
1.5
1.75

1805
0.16
9.6
1872
0.19
9.8
1983
0.23
10.5
2105
0.27
11.8
2242
0.33
13.3
2396
0.40
15.0
2561
0.49
16.8
2733
0.59
18.9

2025
0.24
10.7
2117
0.28
11.1
2234
0.32
12.3
2361
0.39
13.9
2507
0.46
15.6
2662
0.54
17.4

2165
0.29
11.5
2241
0.33
12.0
2356
0.38
13.0
2478
0.44
14.6
2610
0.52
16.2
2763
0.61
18.1

2

2.25

2.5

2296
0.34
12.4
2364
0.39
12.9
2471
0.44
13.7
2589
0.50
14.8
2715
0.59
17.0

2419
0.40
13.5
2487
0.45
13.9
2579
0.50
14.6
2695
0.56
15.7

2603
0.51
14.8
2681
0.57
15.5
2796
0.63
16.6

Performance certified is for installation Type B - free inlet, ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

28

SWB-110 - Belt Drive
Series 100
SWB-110

183⁄4

4.0

93⁄4

151⁄2

(219)

2

(248)

(394)

¾

9

(51)

½

3.5

11⁄2

151⁄8

(279)

(565)

(38)

(384)

5
4
3

3

2.5

¼
2.0

the
le

221⁄4

(676)

6

1.5

ele
ct
to

11

1.0

800

1053

950

1250

1100

1447

1250

1645

1400

1842

1550

2039

1700

2237

1850

2434

2000

2632

8

10

12

65

855

6

14

16

18

20

22

5

10

15

20

25

30

35

Maximum BHP at a given RPM = (RPM/2665)3
(Maximum KW at a given RPM = (RPM/2938)3)

Maximum RPM = 2665
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)

Maximum Motor Frame Size = 145T

OV

650

4

Volume (m3/hr x 100)

SWB-110

658

2

70

70

70

0

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

500

0

14

10

Volume (cfm X 100)

Wheel Diameter = 111⁄8 (283)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.76 ft2 (0.07 m 2 )
^Approximate Unit Weight = 135 lb. (61 kg)

CFM

0.0

670

22

0

0.5

70

1

217⁄8 (556)
231⁄2 (597)

18

12 (305)

16 (406)
167⁄8 (429)

Do

2

26

no
ts

265⁄8

7

Static Pressure (in. wg)

(286)

Static Pressure (Pa x 100)

3.0

111⁄4

(292)

ft o
f th
is s
yste
m

8

111⁄2

RPM
HP
Density 0.075 lb/ft3

curv
e

85⁄8

1

(476)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
898
0.04
8.5
1040
0.06
9.0
1192
0.09
9.7
1353
0.13
10.6
1519
0.18
12.0
1688
0.25
14.2
1859
0.33
16.0
2033
0.43
18.3
2211
0.55
21
2391
0.69
24
2571
0.86
27

0.5
1094
0.07
8.8
1218
0.10
9.2
1356
0.13
9.9
1501
0.18
10.9
1653
0.24
12.7
1813
0.31
14.3
1976
0.40
16.3
2141
0.51
18.8
2310
0.63
22
2480
0.78
25
2652
0.96
27

0.75
1264
0.10
9.0
1368
0.13
9.4
1496
0.18
10.1
1633
0.23
11.6
1776
0.30
13.0
1924
0.37
14.8
2080
0.47
17.0
2241
0.59
19.6
2404
0.72
23
2569
0.88
25

1

1508
0.18
9.9
1621
0.22
10.9
1750
0.28
12.1
1888
0.36
13.4
2031
0.44
15.5
2179
0.54
17.8
2332
0.67
21
2491
0.81
24
2652
0.97
26

Static Pressure in Inches wg
1.25
1.5
1.75

1635
0.23
10.5
1735
0.27
11.5
1859
0.34
12.1
1991
0.42
13.9
2130
0.51
16.2
2274
0.62
18.9
2421
0.75
22
2573
0.89
24

1849
0.33
11.4
1961
0.39
12.6
2088
0.48
14.4
2222
0.58
17.0
2362
0.70
20
2506
0.83
23
2654
0.98
24

1955
0.39
12.1
2055
0.45
13.1
2179
0.54
15.0
2309
0.65
18.2
2446
0.77
22
2588
0.91
23

2

2.25

2.5

2054
0.45
13.3
2153
0.52
14.0
2267
0.61
16.1
2394
0.72
19.3
2526
0.85
23

2245
0.59
15.3
2349
0.67
17.3
2474
0.79
21
2603
0.93
22

2332
0.66
16.7
2433
0.75
18.6
2551
0.87
21

Performance certified is for installation Type B - free inlet, ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

29

SWB-113 - Belt Drive
Series 100
SWB-113

Note: New dimensions on this model
233⁄8

4.0

24 ⁄4
3

11⁄2

16 ⁄8
5

(356)

(629)

(38)

(422)

1068

1300

1262

1500

1456

1700

1650

1900

1845

2100

2039

2300

2233

2500

2427

2700

2621

cur
ve
em

10

12

90

92

0

10

15
20
Volume (cfm X 100)
20

30

85

1100

Do
550
5

23

874

0.0
0

25

40

30

50

Volume (m3/hr x 100)

Maximum BHP at a given RPM = (RPM/2084) 3
(Maximum KW at a given RPM = (RPM/2298)3)

Maximum RPM = 2385
Tip Speed (ft/min.) = RPM x 3.53
(Tip Speed (m/s) = RPM x 0.0179)

Maximum Motor Frame Size = 184T

OV

900

0.5

0

SWB-113

680

1.0

30

0

All dimension in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

700

2

1.5

20

27 ⁄2 (699)
301⁄8 (765)

Wheel Diameter = 131⁄8 (333)
Shaft Diameter = 3/4 (19)
Outlet Area = 1.03 ft2 (0.10 m2)
^Approximate Unit Weight = 175 lb. (79 kg)

CFM

3

1
1

187⁄8 (479)

4

3

2.0 ¼

60

13 (330)

5

2.5

16

175⁄8 (448)

6

3.0

se
lec
t

(794)

14

7

no
t

(362)

311⁄4

8

½

14 ⁄4

RPM
HP
Density 0.075 lb/ft3

3.5

to
the
lef
to
f th
is s
yst

(51)

1

(371)

9

Static Pressure (in. wg)

(552)

2

Static Pressure (Pa x 100)

(270)

1½

21 ⁄4

(270)

145⁄8

105⁄8

3

1

105⁄8

¾

(594)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
767
0.05
5.4
883
0.08
6.2
1009
0.11
7.4
1144
0.16
8.8
1283
0.22
10.0
1424
0.30
11.9
1569
0.39
13.8
1714
0.51
15.9
1860
0.64
18.1
2007
0.80
20
2154
0.99
22

0.5
939
0.09
5.7
1037
0.12
6.9
1147
0.17
8.5
1266
0.22
9.5
1391
0.29
10.8
1524
0.37
12.7
1659
0.48
14.6
1799
0.60
16.8
1940
0.75
19.0
2083
0.92
21
2228
1.12
23

0.75

1

1168
0.17
8.3
1269
0.22
9.1
1378
0.29
10.1
1494
0.37
11.5
1617
0.46
13.3
1745
0.57
15.3
1878
0.70
17.8
2014
0.85
19.7
2153
1.03
21
2293
1.24
24

1291
0.23
9.0
1378
0.28
9.7
1480
0.36
10.7
1591
0.44
12.2
1706
0.55
13.9
1828
0.66
16.1
1953
0.80
18.2
2085
0.96
20
2219
1.15
22
2356
1.36
24

Static Pressure in Inches wg
1.25
1.5
1.75
2

1482
0.35
10.2
1576
0.43
11.3
1680
0.52
12.9
1792
0.63
14.7
1907
0.76
16.9
2029
0.91
18.7
2153
1.08
21
2284
1.27
23

1580
0.41
11.0
1665
0.50
12.0
1766
0.60
13.6
1872
0.72
15.5
1984
0.86
17.4
2101
1.02
19.2
2222
1.19
21
2347
1.40
24

1753
0.58
12.8
1846
0.68
14.3
1948
0.81
16.2
2057
0.96
17.9
2170
1.13
19.8
2288
1.31
22

1837
0.65
13.8
1922
0.77
15.2
2023
0.91
16.7
2126
1.06
18.4
2238
1.24
20
2352
1.43
23

2.25

2.5

1916
0.73
15.1
1999
0.85
15.8
2093
1.00
17.2
2194
1.16
18.9
2302
1.35
21

2073
0.94
16.4
2161
1.09
17.8
2261
1.27
19.6
2364
1.46
22

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

30

35

SWB-115 - Belt Drive
Series 100

SWB-115

Note: New dimensions on this model
253⁄4

4.0

(51)

157⁄8

271⁄2

(883)

11⁄2

181⁄2

(403)

(699)

(38)

(470)

1000

1500

1200

1750

1400

2000

1600

2250

1800

2500

2000

2750

2200

3000

2400

3250

2600

3500

2800

cur
ve

0.5
0.0
0

Do
550

5

12

10

88

0

10

10

15

20

20
25
30
Volume (cfm X 100)

30
40
50
Volume (m3/hr x 100)

35

60

40

45

70

Maximum BHP at a given RPM = (RPM/1737)3
(Maximum KW at a given RPM = (RPM/1915)3)

Maximum RPM = 2187
Tip Speed (ft/min.) = RPM x 3.93
(Tip Speed (m/s) = RPM x 0.0200)

Maximum Motor Frame Size = 184T

OV

1250

1.0

0

SWB-115

800

1.5

87
21

0

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

1000

2
1

271⁄8 (689)
311⁄4 (794)

Wheel Diameter = 149⁄16 (370)
Shaft Diameter = 3/4 (19)
Outlet Area = 1.25 ft2 (0.12 m2)
^Approximate Unit Weight = 225 lb. (102 kg)

CFM

3

¼

70
18

21 ⁄8 (537)

4

3

2.0

40

15 (381)

1

5

2.5

15

20 (508)

6

3.0

lef
to
f th
is s
yst
em

343⁄4

7

no
ts
ele
ct
to
the

(400)

½

153⁄4

161⁄4

(413)

RPM
HP
Density 0.075 lb/ft3

3.5

8
Static Pressure (in. wg)

(295)

9

Static Pressure (Pa x 100)

(546)

2

2

(295)

115⁄8

1½

21 ⁄2
1

1

115⁄8

¾

(654)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
737
0.08
6.2
843
0.11
6.9
955
0.16
8.2
1075
0.23
9.6
1196
0.32
11.1
1319
0.42
12.8
1444
0.55
14.7
1570
0.71
16.7
1698
0.89
19.0
1827
1.11
21
1956
1.35
24

0.5
879
0.13
6.7
976
0.18
7.8
1078
0.24
9.1
1184
0.31
10.3
1294
0.41
11.7
1412
0.53
13.4
1533
0.67
15.4
1654
0.84
17.6
1776
1.04
19.9
1899
1.26
22
2024
1.52
25

Static Pressure in Inches wg
1.25
1.5
1.75

0.75

1

1086
0.24
8.4
1183
0.32
9.6
1284
0.40
10.9
1389
0.51
12.4
1496
0.63
14.0
1609
0.78
16.0
1727
0.97
18.3
1847
1.18
20
1968
1.42
23
2090
1.69
25

1186
0.31
8.9
1276
0.39
10.1
1373
0.49
11.4
1474
0.61
13.0
1578
0.75
14.7
1685
0.91
16.7
1794
1.09
18.8
1911
1.31
21
2030
1.57
23
2150
1.86
26

1360
0.47
10.6
1455
0.58
12.0
1552
0.71
13.6
1654
0.86
15.4
1758
1.03
17.5
1864
1.23
19.4
1973
1.45
22
2088
1.71
24

1445
0.56
11.3
1530
0.67
12.5
1625
0.82
14.1
1724
0.98
16.0
1826
1.16
18.0
1931
1.37
20
2037
1.60
22
2146
1.87
24

1600
0.77
13.1
1695
0.92
14.7
1791
1.09
16.6
1891
1.29
18.7
1993
1.51
21
2098
1.76
23

2

2.25

2.5

1673
0.87
14.1
1759
1.02
15.3
1854
1.21
17.3
1952
1.42
19.4
2053
1.65
22
2156
1.91
24

1746
0.97
15.1
1821
1.13
16.1
1915
1.32
18.0
2010
1.55
20
2109
1.79
22

1883
1.24
17.1
1972
1.44
18.8
2067
1.67
21
2164
1.93
23

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

31

SWB-116 - Belt Drive
Series 100
SWB-116

Note: New dimensions on this model

17 ⁄4
3

(546)

2

(324)

(51)

17 ⁄2

5

12

10

4

1

(445)

17 ⁄2
1

(968)

30

1 ⁄2
1

203⁄8

(445)

(762)

(38)

(518)

6

4

3

¼
1

Do

0
0

400
5
10

Wheel Diameter = 16 ⁄4 (425)
Shaft Diameter = 1 (25)
Outlet Area = 1.52 ft2 (0.14 m2)
^Approximate Unit Weight = 241 lb. (109 kg)

0

1026

1920

1263

2280

1500

2640

1737

3000

1974

3360

2211

3720

2447

4080

2684

4440

2921

4800

3158

25

30

35

40

45

50

20

40

60

80

(Maximum KW at a given RPM = (RPM/1547)3)

Maximum RPM = 2023
Tip Speed (ft/min.) = RPM x 4.32
(Tip Speed (m/s) = RPM x 0.0219)

Maximum Motor Frame Size = 184T

OV

1560

20

Maximum BHP at a given RPM = (RPM/1403)3

SWB-116

789

15

Volume (m3/hr x 100)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

1200

50

5

Volume (cfm X 100)

3

CFM

10

72

23
20

0

2

75

301⁄4 (769)
323⁄8 (823)

½

00
17

2

16 (406)

¾
3

13

213⁄8 (543)
227⁄8 (581)

8

Static Pressure (in. wg)

(451)

381⁄8

Static Pressure (Pa x 100)

1

RPM
HP
Density 0.075 lb/ft3

3

(318)

123⁄4

2

211⁄2

1½

121⁄2

no
ts
ele
ct
to
the
lef
to
f th
is s
yst
em
cur
ve

28

(711)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
750
0.15
5.8
846
0.22
7.1
949
0.31
8.8
1061
0.42
10.9
1182
0.57
13.5
1306
0.76
15.4
1432
0.99
17.6
1560
1.27
20
1690
1.60
23
1821
1.99
27
1953
2.44
32

0.75

1

1.25

943
0.30
7.8
1039
0.40
9.6
1141
0.53
11.8
1250
0.69
13.8
1369
0.89
15.8
1491
1.14
18.0
1615
1.43
21
1742
1.78
24
1869
2.18
28
1999
2.65
32

1026
0.38
8.7
1120
0.50
10.7
1216
0.65
12.5
1320
0.82
14.1
1429
1.03
16.1
1545
1.29
18.4
1667
1.60
21
1790
1.96
25
1916
2.38
28

1192
0.60
11.5
1287
0.76
12.9
1385
0.96
14.6
1490
1.18
16.6
1599
1.45
18.9
1716
1.76
22
1837
2.14
25
1960
2.58
29

Static Pressure in Inches wg
1.5
2
2.5

1259
0.71
12.0
1352
0.88
13.3
1448
1.09
15.1
1548
1.34
17.1
1654
1.62
19.6
1764
1.94
23
1881
2.32
26
2002
2.77
30

1470
1.12
14.4
1564
1.36
15.9
1659
1.64
18.6
1758
1.96
21
1863
2.32
24
1971
2.72
27

1576
1.38
16.4
1666
1.64
17.4
1761
1.95
19.9
1857
2.30
23
1955
2.70
25

2.75

3

3.5

1715
1.79
18.4
1808
2.11
21
1903
2.47
23
2001
2.89
26

1762
1.93
19.5
1853
2.26
21
1948
2.64
23

1851
2.23
22
1940
2.59
22

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

32

55

SWB-118 - Belt Drive
Series 100
SWB-118
4.0

(1067)

191⁄4

331⁄4

1 ⁄2
1

223⁄8

(489)

(845)

(38)

(568)

7
6
5
4
3

3

1.0

54
0.0
0

5

0

2300

1230

2700

1444

3100

1658

3500

1872

3900

2086

4300

2299

4700

2513

5100

2727

5500

2941

65

20

40

60

80

100

(Maximum KW at a given RPM = (RPM/1268)3)

Maximum RPM = 1660
Tip Speed (ft/min.) = RPM x 4.78
(Tip Speed (m/s) = RPM x 0.0243)

Maximum Motor Frame Size = 213T

OV

1016

52

Maximum BHP at a given RPM = (RPM/1150)3

SWB-118

1900

39

Volume (m3/hr x 100)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

802

26

Volume (cfm X 100)

Wheel Diameter = 18 ⁄2 (470)
Shaft Diameter = 1 (25)
Outlet Area = 1.87 ft2 (0.17 m2)
^Approximate Unit Weight = 312 lb. (142 kg)

1500

5

0

13

1

CFM

99

77

60

Do

0.5

16

0

1.5

45

321⁄4 (817)
34 (864)

2.0 ½

14

1

2.5

20

177⁄8 (454)

233⁄8 (594)
25 (635)

3.0

12

2

RPM
HP
Density 0.075 lb/ft3

urv
e

8

3

¾

(492)

42

3.5

yst
em
c

(51)

193⁄8

(498)

9

no
ts
ele
ct
to
the
lef
to
f th
is s

2

(359)

1

195⁄8

(559)

Static Pressure (in. wg)

(350)

141⁄8

2

22

1½

133⁄4

Static Pressure (Pa x 100)

307⁄8

(784)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
545
0.11
5.6
628
0.16
6.5
717
0.24
7.7
808
0.34
9.1
902
0.46
10.9
997
0.62
13.1
1095
0.82
15.5
1193
1.06
17.6
1291
1.34
20
1391
1.67
22
1491
2.05
24

0.5
667
0.19
6.6
728
0.25
7.2
806
0.34
8.2
892
0.46
9.8
980
0.61
11.7
1070
0.78
14.1
1162
1.00
16.3
1256
1.25
18.6
1351
1.55
21
1447
1.90
23
1544
2.31
25

Static Pressure in Inches wg
1.25
1.5
1.75

0.75

1

826
0.36
7.8
887
0.45
8.9
964
0.59
10.5
1047
0.75
12.5
1135
0.95
14.6
1223
1.18
16.9
1314
1.45
19.7
1405
1.77
21
1499
2.13
23
1593
2.55
25

969
0.58
9.9
1032
0.71
11.4
1109
0.89
13.2
1191
1.11
15.2
1279
1.36
17.6
1367
1.65
19.8
1457
1.98
21
1548
2.37
23
1640
2.80
25

1044
0.71
11.2
1102
0.86
12.5
1169
1.04
13.9
1247
1.27
15.8
1329
1.54
18.7
1417
1.85
20
1505
2.20
22
1594
2.60
24

1170
1.01
13.3
1229
1.20
14.8
1301
1.43
17.0
1379
1.72
18.4
1462
2.04
20
1550
2.42
22
1638
2.84
25

1233
1.17
14.3
1291
1.37
16.3
1352
1.60
17.9
1428
1.90
18.5
1506
2.24
20
1591
2.63
23

2

2.25

2.5

1349
1.55
17.0
1407
1.79
17.5
1475
2.08
18.8
1552
2.44
20
1631
2.85
23

1403
1.73
16.8
1461
1.99
17.8
1521
2.27
19.2
1596
2.64
21

1513
2.19
18.4
1572
2.49
19.7
1638
2.85
21

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

33

SWB-120 - Belt Drive
Series 100
SWB-120

335⁄8

3.5

(51)

(537)

(918)

(38)

(622)

0.5

cur
ve

Do

0.0
0

1

2

3
4
5
Volume (cfm X 1000)

2250

1009

2700

1211

3150

1413

3600

1614

4050

1816

4500

2018

4950

2220

5400

2422

5850

2623

6300

2825

8

10

12

(Maximum KW at a given RPM = (RPM/1040)3)

Maximum RPM = 1357
Tip Speed (ft/min.) = RPM x 5.23
(Tip Speed (m/s) = RPM x 0.0266)

Maximum Motor Frame Size = 215T

OV
807

6

7

Maximum BHP at a given RPM = (RPM/943)3

SWB-120

1800

4

6

Volume (m3/hr x 1000)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

CFM

2

0

5

1

3

0

82

64

47

57

Wheel Diameter = 21 ⁄8 (543)
Shaft Diameter = 1 (25)
Outlet Area = 2.23 ft2 (0.21 m2)
^Approximate Unit Weight = 374 lb. (170 kg)

1.0

70

0

3

13

2

1.5

11

27 ⁄8 (695)

3

1

35 (889)
37 (940)

3

4

2.0

5
99

193⁄8 (492)

255⁄8 (651)

5

½

11⁄2

241⁄2

211⁄8

361⁄8

2.5

yst
em

46

(1168)

6

¾

(537)

RPM
HP
Density 0.075 lb/ft3

eft
of
this
s

21 ⁄2

(546)

7

1

211⁄8

1

3

3.0

ot
he
l

(391)

8

no
ts
ele
ct
t

(603)

2

Static Pressure (in. wg)

(378)

153⁄8

Static Pressure (Pa x 100)

233⁄4

2

147⁄8

1½

(854)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
471
0.12
6.5
528
0.17
6.6
593
0.25
7.1
658
0.34
7.9
723
0.45
9.0
791
0.59
10.7
861
0.75
13.1
931
0.94
15.9
1003
1.16
17.6
1076
1.42
19.3
1151
1.73
21

0.5
591
0.22
6.5
633
0.29
6.7
686
0.38
7.3
743
0.49
8.3
807
0.62
10.0
873
0.79
12.3
937
0.98
14.4
1002
1.20
15.9
1069
1.45
17.8
1137
1.74
19.8
1207
2.06
21

0.75

1

728
0.42
8.0
770
0.52
8.1
820
0.64
9.1
877
0.79
10.9
937
0.97
13.0
1001
1.19
15.1
1067
1.45
16.8
1132
1.73
18.5
1196
2.04
19.3
1262
2.40
20

811
0.56
9.4
850
0.68
9.5
892
0.81
10.2
943
0.98
11.6
999
1.17
13.4
1057
1.40
15.3
1121
1.67
17.4
1186
1.98
18.5
1252
2.34
19.3
1316
2.71
21

Static Pressure in Inches wg
1.25
1.5
1.75

923
0.84
11.2
962
0.99
11.2
1006
1.17
12.4
1057
1.38
14.3
1113
1.62
16.2
1171
1.90
17.2
1234
2.23
18.1
1298
2.60
19.7

989
1.01
12.3
1028
1.18
12.4
1068
1.37
13.0
1113
1.59
15.0
1166
1.85
16.5
1222
2.15
17.0
1280
2.48
18.0
1342
2.87
20

1088
1.37
13.5
1128
1.58
13.7
1169
1.82
15.1
1217
2.09
16.4
1270
2.40
17.2
1327
2.75
18.7

2

2.25

2.5

1145
1.57
14.6
1184
1.80
14.9
1223
2.05
15.5
1267
2.33
16.7
1316
2.65
18.1

1237
2.02
16.4
1276
2.29
16.6
1316
2.58
17.8

1287
2.24
18.0
1326
2.53
18.2

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

34

8

SWB-124 - Belt Drive
Series 100
SWB-124

405⁄8

4.0
9

311⁄2

(657)

(38)

(800)

3

56

2

4

5

1

0

3400

1000

4000

1176

4600

1353

5200

1529

5800

1706

6400

1882

7000

2059

7600

2235

8200

2412

8800

2588

8
10
12
14
Volume (m3/hr x 1000)

16

12

18

20

Maximum RPM = 1225
Tip Speed (ft/min.) = RPM x 6.41
(Tip Speed (m/s) = RPM x 0.0326)

Maximum Motor Frame Size = 256T

OV
824

6

10

(Maximum KW at a given RPM = (RPM/786)3)

SWB-124

2800

4

6
8
Volume (cfm X 1000)

Maximum BHP at a given RPM = (RPM/713) 3

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

CFM

2

25

Wheel Diameter = 24 ⁄2 (622)
Shaft Diameter = 1 (25)
Outlet Area = 3.40 ft2 (0.32 m2)
^Approximate Unit Weight = 546 lb. (248 kg)

0.0
0

12

0

t
no
Do 4
14

60

36 (914)
411⁄2 (1054)

0.5

5

1

1.0

10

2

1.5

89

193⁄4 (502)

4

2.0

0
73

311⁄8 (791)
335⁄8 (854)

5

2.5

½

453⁄4
11⁄2 (1162)

6

¾

(1467)

257⁄8

3.0

1

573⁄4

7

se
le
ct
to

(661)

Static Pressure (in. wg)

(667)

Static Pressure (Pa x 100)

26

1½

8

261⁄4

RPM
HP
Density 0.075 lb/ft3

3.5
cur
ve

(64)

yst
em

(483)

of
thi
ss

(635)

21⁄2

th
el
eft

(451)

19

5

25

3

173⁄4

2

(1032)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.25
413
0.19
4.9
464
0.27
6.0
517
0.38
7.5
572
0.51
9.1
629
0.66
11.0
687
0.86
12.9
746
1.09
14.7
806
1.37
16.5
867
1.69
18.0
927
2.07
20
989
2.50
23

0.5

0.75

1

541
0.43
6.9
588
0.56
8.3
638
0.71
9.8
691
0.91
11.6
745
1.13
13.8
800
1.38
16.4
856
1.68
17.6
913
2.03
19.0
971
2.43
21
1030
2.88
23

651
0.74
9.2
696
0.92
10.7
744
1.13
12.7
795
1.39
15.5
849
1.68
16.8
903
2.01
18.2
958
2.38
19.9
1013
2.80
22
1070
3.27
24

751
1.14
11.8
795
1.37
14.0
843
1.64
15.6
893
1.96
17.2
945
2.32
19.2
999
2.74
21
1053
3.19
23
1108
3.69
24

Static Pressure in Inches wg
1.25
1.5
1.75

843
1.62
14.4
888
1.91
15.3
935
2.24
17.3
984
2.63
19.8
1037
3.07
22
1090
3.56
24
1144
4.11
25

930
2.18
15.7
976
2.54
17.6
1024
2.94
19.9
1073
3.40
22
1125
3.92
25
1178
4.49
26

1014
2.83
18.0
1061
3.26
20
1109
3.74
22
1158
4.28
25
1210
4.87
26

2

2.25

2.5

1055
3.15
18.5
1097
3.59
20
1144
4.09
23
1192
4.64
25

1132
3.92
21
1177
4.44
23
1224
5.02
25

1170
4.26
21
1209
4.79
23

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

35

SWB-206 - Belt Drive
Series 200
SWB-206

(286)

265⁄8

(676)

11⁄2

151⁄8

11

(279)

221⁄4

(565)

(38)

(384)

9
8
7
6
5
4

Wheel Diameter = 111⁄8 (283)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.63 ft2 (0.06 m 2 )
^Approximate Unit Weight = 140 lb. (64 kg)

120

190

170

270

220

349

270

429

320

508

370

587

420

667

470

746

520

825

570

905

0.0
0

121

0

670
1

1

2

2

3

3
4
Volume (cfm X 100)
4

5

6

7

5

8

6

9

10

7

11

Maximum BHP at a given RPM = (RPM/3629)3
(Maximum KW at a given RPM = (RPM/4001)3)

Maximum RPM = 3370
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)

Maximum Motor Frame Size = 145T

OV
111

0.5

Volume (m3/hr x 100)

SWB-206

70

1.0

0

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

CFM

1.5

0

0

¼

2.0

0
283

1

203⁄8 (518)
22 (559)

3

2.5

50
17

12 (305)

16 (406)
167⁄8 (429)

3.0

0
229

2

½

3.5

RPM
HP
Density 0.075 lb/ft3

337

3

1

¾
system
curve

111⁄4

(292)

4.0

of thi
s

(51)

10

the l
eft

2

(210)

4.5

sele
ct to

11 ⁄2
1

(394)

11

not

(219)

81⁄4

Static Pressure (in. wg)

151⁄2

Static Pressure (Pa x 100)

85⁄8

Do

183⁄4

(476)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
1201
0.03
6.4
1262
0.04
6.8
1350
0.05
7.4
1489
0.07
8.0
1693
0.10
9.0
1921
0.14
10.5
2169
0.19
12.1
2422
0.26
13.7
2678
0.35
15.8
2936
0.45
18.5
3196
0.58
22

1

1.5

1.75

1722
0.09
9.2
1786
0.11
9.8
1868
0.13
10.7
1975
0.16
11.8
2138
0.20
12.9
2341
0.26
14.2
2567
0.33
15.8
2802
0.42
17.7
3051
0.53
19.3
3303
0.67
21

2079
0.16
11.9
2137
0.19
12.5
2203
0.22
13.3
2289
0.25
14.2
2395
0.28
15.2
2540
0.34
16.4
2721
0.41
18.1
2943
0.51
19.7
3170
0.62
21

2238
0.20
13.2
2292
0.23
13.8
2355
0.26
14.5
2429
0.29
15.3
2529
0.33
16.5
2643
0.39
17.6
2817
0.46
19.2
3010
0.55
21
3234
0.67
22

Static Pressure in Inches wg
2
2.5
2.75

2435
0.27
15.0
2497
0.31
15.8
2566
0.35
16.7
2659
0.39
17.8
2767
0.44
19.0
2907
0.51
20
3087
0.60
22
3296
0.72
23

2698
0.35
17.8
2760
0.40
18.6
2825
0.45
19.4
2898
0.50
20
2998
0.55
21
3108
0.62
22
3252
0.71
24

2822
0.40
19.1
2881
0.45
19.7
2945
0.51
20
3014
0.56
21
3108
0.62
22
3213
0.68
23
3330
0.77
24

3

3.5

3.75

2941
0.45
20
2997
0.51
21
3059
0.57
22
3128
0.62
22
3213
0.68
23
3313
0.74
24

3165
0.56
22
3216
0.61
23
3277
0.68
24
3343
0.75
25

3272
0.62
24
3319
0.67
24

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

36

SWB-207 - Belt Drive
Series 200
SWB-207

183⁄4

6

111⁄4

111⁄2

(286)

(292)

26 ⁄8

11

5

22 ⁄4

(676)

1

11⁄2

151⁄8

(279)

(565)

(38)

(384)

440

698

520

825

600

952

680

1079

760

1206

840

1333

920

1460

1000

1587

0

curv
e
17

50

121

0

2

4
5

70
33

571

0

670

30

360

1

28

444

2

6
8
Volume (cfm X 100)
10
Volume (m3/hr x 100)

10

12

15

20

(Maximum KW at a given RPM = (RPM/3417)3)

Maximum RPM = 3370
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)

Maximum Motor Frame Size = 145T

OV

280

3

¼

Maximum BHP at a given RPM = (RPM/3099)3

SWB-207

317

½
3

0

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

200

4

0

Wheel Diameter = 111⁄8 (283)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.63 ft2 (0.06 m 2 )
^Approximate Unit Weight = 140 lb. (64 kg)

CFM

6

4

90

203⁄8 (518)
22 (559)

16 ⁄8 (429)

8

2

12 (305)

7

10

¾

22

16 (406)

5

12

this
syst
em

(51)

RPM
HP
Density 0.075 lb/ft3

the
left
of

(210)

(394)

no
ts
ele
ct t
o

2

Do

(219)

1

14

Static Pressure (in. wg)

81⁄4

151⁄2

Static Pressure (Pa x 100)

85⁄8

1½

(476)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
1098
0.04
6.2
1244
0.06
7.3
1415
0.09
8.5
1591
0.13
10.0
1793
0.19
12.6
2007
0.26
16.0
2226
0.36
18.4
2449
0.47
22
2678
0.61
25
2909
0.78
28
3142
0.97
30

1
1458
0.10
9.1
1549
0.12
9.7
1687
0.16
10.7
1855
0.21
12.4
2023
0.28
15.0
2195
0.35
17.1
2395
0.45
19.5
2600
0.58
23
2815
0.73
27
3034
0.90
29
3255
1.11
32

Static Pressure in Inches wg
2.5
3
3.5

1.5

2

1808
0.19
11.1
1923
0.23
12.1
2064
0.29
14.2
2230
0.37
16.5
2404
0.47
18.9
2565
0.57
21
2751
0.69
24
2951
0.85
27
3156
1.03
30

2060
0.27
13.3
2139
0.32
14.1
2259
0.38
15.5
2406
0.47
17.9
2574
0.57
21
2751
0.70
23
2911
0.83
26
3084
0.98
28
3282
1.17
31

2333
0.40
15.7
2446
0.48
17.4
2577
0.57
19.5
2725
0.68
22
2898
0.81
25
3075
0.97
27
3235
1.13
29

2534
0.51
17.7
2618
0.58
19.1
2735
0.68
21
2878
0.80
24
3034
0.93
25
3208
1.11
28

2777
0.68
21
2893
0.79
23
3021
0.92
25
3168
1.06
26
3332
1.24
29

4

4.5

5

2941
0.80
22
3040
0.91
24
3158
1.04
26
3300
1.20
28

3103
0.94
24
3179
1.03
25
3295
1.17
27

3255
1.07
25
3311
1.16
26

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

37

SWB-208 - Belt Drive
Series 200

SWB-208

183⁄4

6

11⁄2

151⁄8

(38)

(384)

(279)

(565)

203⁄8 (518)

0

22 (559)

587

490

778

610

968

730

1159

850

1349

970

1540

1090

1730

1210

1921

1330

2111

1450

2302

0

stem
curv
e
121

50

0

670
2

4
5

90

6
8
10
Volume (cfm X 100)
10

12

15

20

14

16
25

Maximum BHP at a given RPM = (RPM/3242)3
(Maximum KW at a given RPM = (RPM/3574)3)

Maximum RPM = 3370
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)

Maximum Motor Frame Size = 145T

OV

370

0

22

17

Volume (m3/hr x 100)

SWB-208

397

1

0

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

250

2

70

2

Wheel Diameter = 111⁄8 (283)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.63 ft2 (0.06 m 2 )
^Approximate Unit Weight = 140 lb. (64 kg)

CFM

4

3

¼

33

167⁄8 (429)

6

3

30

12 (305)

8

28

16 (406)

11

221⁄4

½

4

this
sy

265⁄8

(676)

10

left
of

(286)

Do

111⁄4

(292)

5

12

RPM
HP
Density 0.075 lb/ft3

the

(51)

¾

no
ts
ele
ct
to

2

(210)

(394)

14

Static Pressure (in. wg)

(219)

111⁄2

81⁄4

151⁄2

Static Pressure (Pa x 100)

85⁄8

1½

(476)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
1125
0.04
7.0
1270
0.06
7.7
1445
0.09
8.6
1640
0.12
9.2
1852
0.18
11.2
2076
0.24
13.5
2310
0.33
15.3
2548
0.44
17.5
2790
0.57
19.9
3035
0.73
22
3282
0.91
26

0.75
1343
0.06
8.0
1451
0.09
8.3
1606
0.12
9.1
1785
0.16
10.5
1980
0.22
12.4
2189
0.29
14.1
2409
0.38
16.0
2637
0.50
18.1
2872
0.63
21
3111
0.80
23
3352
0.99
25

1

1.5

1610
0.11
8.8
1753
0.16
9.7
1918
0.21
11.3
2101
0.27
12.9
2298
0.34
14.6
2507
0.44
16.6
2725
0.56
18.8
2951
0.70
21
3184
0.87
24

1909
0.18
10.9
2014
0.23
11.4
2160
0.29
12.5
2323
0.37
13.8
2505
0.45
15.6
2697
0.56
17.7
2896
0.69
20
3110
0.84
22
3329
1.02
25

Static Pressure in Inches wg
2
2.5
3

2172
0.26
13.2
2240
0.30
13.1
2378
0.38
14.4
2528
0.47
14.8
2693
0.57
16.5
2874
0.69
18.6
3065
0.82
21
3263
0.98
23

2472
0.39
15.3
2575
0.47
16.2
2715
0.57
17.8
2871
0.69
17.6
3041
0.82
19.5
3222
0.97
21

2681
0.49
17.6
2755
0.56
18.1
2892
0.68
19.9
3039
0.81
18.6
3198
0.95
20

3.5

4

4.5

2874
0.59
19.9
2941
0.67
21
3056
0.79
22
3196
0.93
22
3350
1.09
21

3121
0.79
22
3210
0.90
22
3348
1.06
23

3289
0.91
23
3357
1.01
23

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

38

SWB-210 - Belt Drive
Series 200
SWB-210

183⁄4

6

(286)

265⁄8

(676)

11⁄2

151⁄8

11

221⁄4

(279)

(565)

(38)

975

1548

1150

1825

1325

2103

1500

2381

1675

2659

1850

2937

2025

3214

2200

3492

2375

3770

cur
ve
17

70

12

0
0

3

700

35

6

9

12

0

1270

1

15

18

21

24

27

0

10

20

30

40

Volume (m3/hr x 100)

Maximum BHP at a given RPM = (RPM/2649)3
(Maximum KW at a given RPM = (RPM/2921)3)

Maximum RPM = 3370
Tip Speed (ft/min.) = RPM x 2.91
(Tip Speed (m/s) = RPM x 0.0148)

Maximum Motor Frame Size = 145T

OV

800

2

Volume (cfm X 100)

SWB-210

992

3

¼

40
28

0

3

05

203⁄8 (518)
22 (559)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

625

4
2

12 (305)

Wheel Diameter = 111⁄8 (283)
Shaft Diameter = 3/4 (19)
Outlet Area = 0.63 ft2 (0.06 m2)
^Approximate Unit Weight = 140 lb. (64 kg)

CFM

6

½

23

16 (406)
167⁄8 (429)

8

4

337

(384)

10

RPM
HP
Density 0.075 lb/ft3

to
the
lef
to
f th
is s
yst
em

111⁄4

(292)

5

12

2

no
ts
ele
ct

(51)

Do

(210)

¾

11 ⁄2
1

(394)

14

2

Static Pressure (in. wg)

(219)

81⁄4

Static Pressure (Pa x 100)

151⁄2

1½

85⁄8

1

(476)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
1158
0.08
6.3
1311
0.12
7.4
1480
0.17
8.6
1661
0.24
10.0
1853
0.32
11.9
2054
0.43
14.0
2258
0.56
16.5
2465
0.72
18.3
2674
0.91
20
2885
1.13
22
3096
1.39
25

1
1501
0.17
7.6
1583
0.21
8.2
1714
0.27
9.5
1872
0.35
11.0
2041
0.45
12.9
2214
0.57
15.1
2402
0.71
17.0
2594
0.89
18.7
2793
1.09
21
2996
1.33
23
3201
1.60
25

1.5
1809
0.27
9.4
1846
0.31
9.8
1936
0.38
10.7
2063
0.47
12.3
2214
0.58
14.3
2381
0.72
16.0
2550
0.88
17.6
2724
1.06
19.3
2913
1.28
21
3104
1.53
24
3300
1.82
26

2

2106
0.44
11.9
2143
0.50
12.4
2250
0.60
13.9
2379
0.72
15.2
2528
0.87
16.6
2694
1.05
18.3
2863
1.25
20
3034
1.47
22
3214
1.73
24

Static Pressure in Inches wg
2.5
3
3.5

2334
0.58
13.9
2371
0.65
14.3
2431
0.74
14.8
2541
0.87
15.9
2676
1.03
17.3
2825
1.21
19.0
2990
1.43
21
3159
1.68
23
3329
1.95
25

2578
0.81
15.4
2615
0.90
15.8
2704
1.03
16.7
2815
1.20
18.1
2958
1.39
19.7
3108
1.61
21
3274
1.88
23

2768
0.97
16.6
2805
1.07
17.1
2854
1.19
17.6
2964
1.37
18.8
3082
1.58
20
3229
1.81
22

4

4.5

5

2982
1.26
18.3
3019
1.38
18.8
3103
1.55
19.6
3214
1.77
21
3345
2.01
23

3148
1.45
19.5
3185
1.58
20
3235
1.73
21
3344
1.96
22

3305
1.65
21
3342
1.79
21

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

39

SWB-212 - Belt Drive
Series 200
SWB-212

213⁄8

6

2

(244)

(394)

(51)

5

12

151⁄8

(38)

0

229⁄10 (582)
Wheel Diameter = 12 ⁄4 (311)
Shaft Diameter = 1 (25)
Outlet Area = 0.85 ft2 (0.08 m 2 )
^Approximate Unit Weight = 170 lb. (77 kg)

0
0

700

17

25

121

5

0

10

15
20
Volume (cfm X 100)

1

0

850

1000

1100

1294

1350

1588

1600

1882

1850

2176

2100

2471

2350

2765

2600

3059

2850

3353

3100

3647

40

35

50

(Maximum KW at a given RPM = (RPM/2615)3)

Maximum RPM = 3262
Tip Speed (ft/min.) = RPM x 3.21
(Tip Speed (m/s) = RPM x 0.0163)

Maximum Motor Frame Size = 145T

OV
706

30

30

Maximum BHP at a given RPM = (RPM/2372)3

SWB-212

600

20

25

Volume (m3/hr x 100)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

CFM

10

2

213⁄8 (543)

1

55
27

2

40

12 (305)

22

16 (406)
167⁄8 (429)

4

3

¼

2

326

(384)

6

ft o
f

(330)

(565)

the
le

11⁄2

½
3

sel
ect
to

(721)

8

4

no
t

13

221⁄4

10

Do

28 ⁄8
3

Static Pressure (in. wg)

13

(330)

Static Pressure (Pa x 100)

¾

131⁄4

(337)

RPM
HP
Density 0.075 lb/ft3

this
syst
em c
urve

(248)

14

2

95⁄8

151⁄2

1½

93⁄4

1

(543)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
1022
0.08
6.0
1150
0.11
7.2
1325
0.17
8.7
1522
0.25
10.5
1732
0.36
12.8
1947
0.50
15.6
2177
0.69
18.4
2409
0.92
21
2641
1.20
23
2874
1.53
27
3108
1.91
30

1
1372
0.16
7.9
1447
0.21
8.5
1561
0.28
9.8
1728
0.38
11.7
1905
0.51
14.0
2104
0.66
16.8
2312
0.86
19.0
2524
1.10
21
2739
1.39
24
2968
1.75
27
3199
2.17
31

1.5

2

1710
0.33
10.4
1799
0.42
11.4
1913
0.52
13.2
2080
0.67
15.7
2255
0.84
17.6
2443
1.05
19.7
2646
1.31
22
2855
1.62
25
3067
1.98
28

1941
0.45
12.7
2005
0.56
13.6
2113
0.68
14.9
2233
0.84
16.5
2403
1.03
18.4
2578
1.26
21
2761
1.53
23
2962
1.85
26
3169
2.23
29

Static Pressure in Inches wg
2.5
3
3.5

2208
0.71
15.2
2291
0.85
16.0
2404
1.02
17.4
2538
1.22
19.2
2708
1.47
21
2883
1.76
24
3065
2.10
27

2392
0.87
16.5
2457
1.03
17.2
2564
1.21
18.4
2679
1.43
20
2830
1.69
22
3001
2.00
25

2562
1.03
17.8
2625
1.21
18.5
2712
1.41
19.5
2825
1.65
21
2944
1.91
23
3112
2.24
26

4

4.5

5

2719
1.20
19.0
2783
1.40
19.8
2851
1.62
21
2962
1.87
22
3076
2.16
24

2931
1.59
21
2995
1.83
22
3091
2.10
23

3071
1.79
23
3135
2.05
23

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

40

SWB-213 - Belt Drive
Series 200

SWB-213

Note: New dimensions on this model
233⁄8

6

165⁄8

(356)

(629)

(38)

(422)

40

10

15

1

0

1280

1243

1560

1515

1840

1786

2120

2058

2400

2330

2680

2602

2960

2874

3240

3146

3520

3417

3800

3689

40

60

20

40

45

(Maximum KW at a given RPM = (RPM/2207)3)

Maximum RPM = 2902
Tip Speed (ft/min.) = RPM x 3.53
(Tip Speed (m/s) = RPM x 0.0179)

Maximum Motor Frame Size = 184T

OV
971

35

Maximum BHP at a given RPM = (RPM/2002)3

SWB-213

1000

20
25
30
Volume (cfm X 100)

Volume (m3/hr x 100)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

CFM

2

5

290

0

11

60

0

Do
700

24

Wheel Diameter = 13 ⁄2 (343)
Shaft Diameter = 1 (25)
Outlet Area = 1.03 ft2 (0.10 m 2 )
^Approximate Unit Weight = 183 lb. (83 kg)

1

20
20

0

3

2 ¼

80

18 ⁄8 (479)

4

3

15

271⁄2 (699)
301⁄8 (765)

7

6

2

13 (330)

175⁄8 (448)

8

4

RPM
HP
Density 0.075 lb/ft3

lef
to
f th
is s
yst
em
cur
ve

11⁄2

14

243⁄4

10

Static Pressure (in. wg)

(794)

Static Pressure (Pa x 100)

(362)

5

½

141⁄4

145⁄8

(371)

12

¾

(51)

3

no
ts
ele
ct
to
the

2

(270)

(552)

14

1

(270)

311⁄4

105⁄8

213⁄4

2

105⁄8

1½

(594)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
998
0.12
6.9
1134
0.18
8.2
1290
0.26
9.6
1457
0.37
11.5
1629
0.51
13.7
1807
0.68
16.4
1987
0.89
18.8
2170
1.14
21
2355
1.44
23
2541
1.79
26
2729
2.19
29

0.75
1144
0.18
7.5
1248
0.24
8.7
1384
0.33
10.2
1540
0.45
12.0
1703
0.59
14.2
1874
0.78
17.0
2048
1.01
19.0
2226
1.27
21
2407
1.58
23
2589
1.94
26
2773
2.36
30

1
1287
0.24
8.4
1358
0.31
9.2
1478
0.40
10.8
1619
0.53
12.6
1775
0.69
15.0
1938
0.88
17.3
2107
1.12
19.3
2280
1.40
21
2457
1.72
24
2636
2.10
27
2817
2.53
30

1.5

1585
0.46
11.0
1660
0.56
12.2
1778
0.70
14.1
1913
0.87
16.3
2063
1.09
18.1
2222
1.34
20
2386
1.64
22
2555
1.99
25
2727
2.40
27

Static Pressure in Inches wg
2
2.5
3

1850
0.74
14.2
1931
0.89
15.5
2051
1.08
17.1
2184
1.30
18.8
2332
1.58
21
2489
1.89
23
2650
2.26
25
2816
2.68
28

2034
0.95
15.8
2093
1.10
16.5
2181
1.29
17.9
2307
1.53
19.7
2440
1.81
22
2587
2.16
24
2744
2.54
26

2249
1.32
17.7
2318
1.52
18.8
2423
1.78
20
2550
2.07
22
2685
2.42
25
2832
2.83
27

3.5

4

4.5

2462
1.77
19.8
2543
2.03
21
2656
2.34
23
2784
2.69
26

2596
2.03
21
2665
2.29
22
2758
2.62
24
2884
2.99
27

2730
2.31
23
2790
2.58
24
2869
2.90
25

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

41

SWB-215 - Belt Drive
Series 200
SWB-215

Note: New dimensions on this model
253⁄4
(654)
115⁄8

6

(51)

181⁄2

(38)

0

0
0

left
of
10

00

600

9

18

27

36

0

20

40

60

(Maximum KW at a given RPM = (RPM/1851)3)

SWB-215

Maximum Motor Frame Size = 184T

1200

960

1550

1240

1900

1520

2250

1800

2600

2080

2950

2360

3300

2640

3650

2920

4000

3200

4350

3480

4700

3760

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.75
1024
0.21
7.5
1112
0.29
8.7
1236
0.40
10.2
1377
0.54
12.1
1525
0.72
14.3
1680
0.96
17.0
1839
1.23
19.2
2001
1.56
21
2166
1.95
24
2332
2.41
27
2500
2.93
30

80

Maximum BHP at a given RPM = (RPM/1679)3
Maximum RPM = 2604
Tip Speed (ft/min.) = RPM x 3.93

0.5
886
0.15
6.9
1009
0.22
8.2
1150
0.32
9.7
1301
0.45
11.5
1458
0.62
13.8
1620
0.83
16.5
1785
1.09
19.0
1951
1.41
21
2120
1.78
24
2290
2.21
26
2460
2.72
30

54

Volume (m3/hr x 100)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

OV

45

Volume (cfm X 100)

Wheel Diameter = 15 (381)
Shaft Diameter = 1 (25)
Outlet Area = 1.25 ft2 (0.12 m 2 )
^Approximate Unit Weight = 231 lb. (105 kg)

CFM

4
260

211⁄8 (537)

00

1

1

22

27 ⁄8 (689)
311⁄4 (794)

¼

00

2

2

18

15 (381)

4

00
14

20 (508)

6

3

(470)

3

the

(699)

8

½

11⁄2

(403)

se
lec
t to

271⁄2

4

no
t

(883)

10

Do

15 ⁄8
7

¾

343⁄4

Static Pressure (in. wg)

(400)

Static Pressure (Pa x 100)

1

153⁄4

(413)

5

12

RPM
HP
Density 0.075 lb/ft3

this
sys
tem
cur
ve

(295)

3

161⁄4

(546)

14

2

2

(296)

115⁄8

1½

211⁄2

1
1157
0.29
8.5
1214
0.37
9.3
1322
0.49
10.8
1449
0.64
12.7
1591
0.84
15.0
1738
1.08
17.4
1893
1.37
19.4
2050
1.72
22
2211
2.13
24
2374
2.60
27

(Tip Speed (m/s) = RPM x 0.0200)

1.5

Static Pressure in Inches wg
2
2.5
3

1421
0.56
11.2
1487
0.68
12.3
1593
0.85
14.2
1715
1.07
16.3
1852
1.33
18.2
1996
1.65
20
2145
2.02
22
2299
2.46
25
2456
2.97
28

1661
0.91
14.4
1732
1.09
15.6
1840
1.32
17.2
1961
1.59
19.0
2095
1.94
21
2238
2.33
23
2385
2.79
26

1830
1.16
15.9
1879
1.34
16.6
1958
1.58
18.0
2072
1.88
19.8
2193
2.23
22
2326
2.66
24

2020
1.61
17.9
2083
1.86
19.0
2176
2.18
21
2293
2.54
23
2416
2.98
25

3.5

4

4.5

2165
1.92
19.3
2213
2.17
20
2285
2.49
22
2388
2.88
24

2333
2.48
21
2396
2.81
23

2456
2.83
23

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

42

SWB-216 - Belt Drive
Series 200
SWB-216

Note: New dimensions on this model
28
(711)
121⁄2

6

5

(762)

(38)

curv
e

this
sys
tem

600
0

0

1

95

5

2

2

3
4
Volume (cfm X 1000)
4

5

6

8

SWB-216

Maximum Motor Frame Size = 184T

1200

789

1650

1086

2100

1382

2550

1678

3000

1974

3450

2270

3900

2566

4350

2862

4800

3158

5250

3454

5700

3750

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
762
0.15
5.9
848
0.22
7.1
970
0.32
8.5
1109
0.46
10.1
1256
0.65
12.2
1410
0.90
14.6
1566
1.21
17.5
1724
1.59
19.7
1884
2.05
22
2046
2.60
25
2208
3.25
28

0.75
900
0.22
6.9
959
0.31
7.6
1059
0.42
9.0
1182
0.58
10.6
1320
0.79
12.7
1462
1.04
15.1
1616
1.37
17.6
1770
1.78
19.9
1926
2.25
22
2084
2.81
25
2244
3.47
29

7

10

Maximum BHP at a given RPM = (RPM/1414)3
(Maximum KW at a given RPM = (RPM/1559)3)

OV

6

Volume (m3/hr x 1000)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

CFM

8

Wheel Diameter = 161⁄2 (419)
Shaft Diameter = 11⁄4 (32)
Outlet Area = 1.52 ft2 (0.14 m 2 )
^Approximate Unit Weight = 251 lb. (114 kg)

0

65

0

10

301⁄4 (769)
323⁄8 (823)

20
20

3

1

16

2

16 (406)

¼

237

4

½
2

13

213⁄8 (543)
227⁄8 (581)

6

3

D

(518)

8

left
of

203⁄8

(445)

30

the

1 ⁄2
1

4

¾

(968)

10

se
lec
t to

17 ⁄2
1

no
t

38 ⁄8
1

1

(445)

o

17 ⁄2

(451)

Static Pressure (in. wg)

17 ⁄4

1

Static Pressure (Pa x 100)

12
3

RPM
HP
Density 0.075 lb/ft3

5

(51)

1½

(324)

(546)

3

(318)

14

2

2

123⁄4

211⁄2

Maximum RPM = 2378
Tip Speed (ft/min.) = RPM x 4.32
(Tip Speed (m/s) = RPM x 0.0219)

1

1.5

1072
0.40
8.4
1147
0.53
9.6
1255
0.70
11.2
1381
0.92
13.3
1520
1.20
15.7
1661
1.53
17.9
1813
1.95
20
1967
2.45
23
2123
3.04
25
2279
3.71
29

1267
0.61
10.4
1322
0.77
11.1
1400
0.96
12.7
1505
1.20
14.7
1626
1.51
16.6
1758
1.89
18.5
1900
2.34
21
2042
2.85
23
2194
3.46
26
2348
4.19
30

Static Pressure in Inches wg
2
2.5
3

1487
1.03
13.3
1543
1.25
14.4
1629
1.52
15.7
1734
1.84
17.4
1853
2.24
19.3
1985
2.73
21
2124
3.29
24
2265
3.92
27

1632
1.30
14.8
1687
1.56
15.6
1749
1.85
16.6
1841
2.20
18.3
1950
2.61
20
2069
3.11
22
2200
3.72
25
2338
4.41
28

1818
1.88
16.8
1874
2.20
17.6
1949
2.57
19.2
2042
3.01
21
2156
3.53
23
2277
4.14
26

3.5

4

4.5

1939
2.21
18.1
1994
2.57
18.9
2050
2.96
20
2141
3.43
22
2239
3.97
24
2355
4.60
27

2106
2.94
20
2162
3.38
21
2234
3.86
23
2326
4.43
25

2211
3.33
21
2267
3.80
22
2324
4.30
24

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

43

SWB-218 - Belt Drive
Series 200
SWB-218

307⁄8

6

19 ⁄4

331⁄4

(1067)

11⁄2

223⁄8

(489)

(845)

(38)

(568)

10
8
6

3

1

87

0

2

2

3
4
5
Volume (cfm X 1000)
4

6

8

6

10

Maximum Motor Frame Size = 213T

2000

1070

2500

1337

3000

1604

3500

1872

4000

2139

4500

2406

5000

2764

5500

2941

6000

3209

6500

3476

7000

3743

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

1
963
0.49
11.3
1023
0.62
11.6
1110
0.80
12.6
1211
1.03
14.2
1322
1.32
16.4
1438
1.66
18.8
1557
2.08
21
1683
2.58
24
1810
3.15
28
1938
3.81
31
2067
4.57
35

12

(Maximum KW at a given RPM = (RPM/1319)3)

SWB-218
0.5
762
0.26
10.1
862
0.37
10.1
974
0.52
11.5
1092
0.72
13.6
1218
0.97
15.7
1346
1.28
18.2
1475
1.66
21
1605
2.10
24
1737
2.63
27
1869
3.26
31
2003
3.98
34

8

Maximum BHP at a given RPM = (RPM/1196)3
Maximum RPM = 2147
Tip Speed (ft/min.) = RPM x 4.78

OV

7

Volume (m3/hr x 1000)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

CFM

7

0

D
555

30

0
0

18

¼
1

10

Wheel Diameter = 181⁄4 (464)
Shaft Diameter = 11⁄4 (32)
Outlet Area = 1.87 ft2 (0.17 m2 )
^Approximate Unit Weight = 324 lb. (147 kg)

½

2

90

0

¾

15

2

321⁄4 (819)
34 (864)

1
3

214

4

4

11

177⁄8 (454)

233⁄8 (594)
25 (635)

this
sys
tem
curv
e

42

1

o

(492)

Static Pressure (in. wg)

193⁄8

(498)

5

12

to
the
left
of

(51)

RPM
HP
Density 0.075 lb/ft3

no
ts
ele
ct

2

(359)

1½

195⁄8

(559)

14

Static Pressure (Pa x 100)

(349)

141⁄8

5

22

2

133⁄4

3

(784)

1.5
1136
0.75
13.4
1185
0.92
13.0
1245
1.12
13.9
1327
1.36
15.2
1423
1.68
17.3
1530
2.07
19.6
1643
2.52
22
1758
3.04
25
1877
3.65
28
2002
4.37
31
2128
5.18
35

(Tip Speed (m/s) = RPM x 0.0243)

2

1330
1.24
15.2
1380
1.47
15.5
1443
1.74
16.8
1525
2.07
18.7
1619
2.48
21
1723
2.97
24
1834
3.54
26
1949
4.18
29
2065
4.91
32

Static Pressure in Inches wg
2.5
3
3.5

1459
1.58
17.9
1507
1.85
18.3
1557
2.15
19.1
1626
2.51
21
1709
2.92
23
1804
3.43
25
1907
4.03
27
2017
4.72
30
2131
5.49
33

1623
2.24
21
1672
2.58
22
1727
2.95
23
1800
3.41
24
1885
3.91
26
1981
4.54
28
2084
5.25
31

1730
2.65
24
1779
3.02
25
1828
3.43
25
1890
3.90
26
1967
4.45
28
2055
5.07
30

4

4.5

5

1878
3.48
27
1927
3.93
27
1979
4.42
28
2048
5.00
29

1971
3.95
29
2020
4.44
29
2069
4.96
30

2060
4.43
31
2108
4.96
32

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

44

SWB-220 - Belt Drive
Series 200

SWB-220

335⁄8

6

11⁄2

24 ⁄2
1

(537)

(918)

(38)

sys
tem
curv
e
this

½
¼

1

79

5

507
0

0

2

2

4
6
Volume (cfm X 1000)
4

6

8

10

8

12

(Maximum KW at a given RPM = (RPM/1132)3)

SWB-220

Maximum Motor Frame Size = 215T

2000

897

2650

1188

3300

1480

3950

1771

4600

2063

5250

2354

5900

2646

6550

2937

7200

3229

7850

3520

8500

3812

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
647
0.25
8.7
731
0.36
9.2
836
0.53
10.6
951
0.76
13.0
1072
1.06
15.2
1198
1.44
17.8
1325
1.90
21
1453
2.47
24
1583
3.15
28
1714
3.97
31
1846
4.92
36

1
860
0.51
11.5
897
0.65
11.2
970
0.85
12.1
1064
1.11
13.7
1171
1.46
15.8
1285
1.88
18.4
1401
2.40
21
1525
3.04
25
1650
3.78
28
1776
4.64
32
1904
5.63
36

16

Maximum BHP at a given RPM = (RPM/1027)3
Maximum RPM = 1961
Tip Speed (ft/min.) = RPM x 5.23

OV

14

10

Volume (m3/hr x 1000)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

CFM

1

Wheel Diameter = 20 (508)
Shaft Diameter = 11⁄4 (32)
Outlet Area = 2.23 ft2 (0.21 m2 )
^Approximate Unit Weight = 389 lb. (176 kg)

0

65

0

75

35 (889)
37 (940)

16

2

196

3

13

193⁄8 (492)

4

¾
2

85
10

255⁄8 (651)
273⁄8 (695)

6

3

D

(622)

8

1

361⁄8

4

the
left
of

(1168)

10

o

21 ⁄8
1

Static Pressure (in. wg)

46

1½

(537)

2

211⁄8

(546)

5

12

RPM
HP
Density 0.075 lb/ft3

se
lec
t to

(51)

7½

no
t

2

(390)

(603)

14

Static Pressure (Pa x 100)

(378)

211⁄2

153⁄8

233⁄4

5

147⁄8

3

(854)

(Tip Speed (m/s) = RPM x 0.0266)

1.5

2

1065
1.00
13.4
1104
1.21
13.5
1177
1.51
14.9
1267
1.88
16.8
1370
2.35
19.4
1481
2.92
22
1594
3.59
25
1711
4.37
28
1835
5.32
32
1960
6.38
37

1206
1.39
15.9
1243
1.64
15.8
1289
1.94
16.4
1364
2.35
18.4
1454
2.84
21
1555
3.45
24
1664
4.18
26
1777
5.01
29
1892
5.96
33

Static Pressure in Inches wg
2.5
3
3.5

1367
2.10
19.0
1405
2.43
19.4
1461
2.85
21
1539
3.37
23
1630
4.00
25
1731
4.76
27
1840
5.66
30
1952
6.67
34

1480
2.58
22
1517
2.96
23
1556
3.38
23
1624
3.94
25
1706
4.58
26
1799
5.37
29
1900
6.30
32

1621
3.51
26
1658
3.98
26
1708
4.52
26
1781
5.23
28
1867
6.01
30

4

4.5

4.75

1717
4.08
28
1754
4.60
28
1792
5.15
28
1857
5.87
30
1935
6.70
32

1807
4.67
30
1845
5.23
31
1882
5.83
31
1932
6.52
32

1851
4.97
32
1888
5.55
32
1925
6.18
32

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

45

SWB-222 - Belt Drive
Series 200

SWB-222

367⁄8

6

283⁄4

(38)

(730)

1734

5500

2007

6250

2281

7000

2555

7750

2828

8500

3102

9250

3376

10000 3650

curv
e

this
syst
em

10

8

4750

6
8
Volume (cfm X 1000)

5

179

1460

5

4000

4

153

1186

0

2

70

3250

0

10

12

15

20

Maximum BHP at a given RPM = (RPM/897)3
(Maximum KW at a given RPM = (RPM/989)3)

Maximum RPM = 1798
Tip Speed (ft/min.) = RPM x 5.82
(Tip Speed (m/s) = RPM x 0.0296)

Maximum Motor Frame Size = 215T

OV
912

74

477

Volume (m3/hr x 1000)

SWB-222

2500

0

0

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

CFM

¼

12

0

Wheel Diameter = 221⁄4 (565)
Shaft Diameter = 11⁄4 (32)
Outlet Area = 2.74 ft2 (0.25 m2 )
^Approximate Unit Weight = 450 lb. (204 kg)

1

3

2

341⁄8 (867)
395⁄8 (1006)

½

05

20 (508)

4

¾
2

10

28 ⁄4 (718)
301⁄2 (775)
1

6

3

1

11⁄2 (1054)

8

left
of

23

(584)

411⁄2

4

Do

521⁄2

(1334)

10

1½

(597)

2

231⁄2

233⁄4

(603)

5

12

RPM
HP
Density 0.075 lb/ft3

the

(64)

no
ts
ele
ct
to

2 ⁄2

(432)

Static Pressure (in. wg)

(610)

14

1

Static Pressure (Pa x 100)

(413)

17

7½

24

5

161⁄4

3

(937)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
602
0.30
9.3
677
0.43
9.7
768
0.61
11.2
868
0.86
13.6
976
1.18
15.8
1085
1.60
18.4
1197
2.10
21
1310
2.71
25
1424
3.43
29
1539
4.28
32
1655
5.28
36

1
783
0.59
11.5
831
0.77
11.5
892
0.99
12.6
975
1.27
14.2
1065
1.64
16.5
1164
2.09
19.0
1267
2.66
22
1376
3.32
25
1485
4.12
29
1596
5.04
32
1708
6.10
37

1.5
949
0.93
14.3
971
1.15
13.8
1019
1.43
14.3
1080
1.75
15.6
1158
2.14
17.5
1244
2.64
20
1339
3.23
23
1439
3.95
26
1542
4.80
29
1650
5.77
33
1760
6.87
37

2

1099
1.56
16.6
1137
1.88
16.8
1186
2.27
17.7
1249
2.70
19.5
1326
3.22
22
1410
3.85
25
1503
4.61
27
1601
5.47
30
1703
6.51
34

Static Pressure in Inches wg
2.5
3
3.5

1226
2.01
20
1241
2.36
20
1289
2.80
21
1339
3.30
22
1405
3.85
24
1484
4.52
26
1568
5.30
28
1659
6.22
31
1756
7.25
35

1347
2.88
24
1383
3.36
24
1432
3.91
25
1487
4.53
26
1553
5.20
27
1635
6.03
30
1719
6.98
32

1452
3.42
27
1470
3.92
27
1518
4.54
27
1567
5.22
28
1628
5.95
29
1698
6.78
31
1780
7.78
34

4

4.5

5

1556
4.52
29
1598
5.18
30
1647
5.92
30
1698
6.73
31
1764
7.59
33

1648
5.16
32
1674
5.84
32
1722
6.63
33
1771
7.50
34

1735
5.82
35
1746
6.51
35
1793
7.36
35

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

46

SWB-224 - Belt Drive
Series 200
SWB-224

405⁄8

6

2 ⁄2

257⁄8

453⁄4

(1467)

(657)

11⁄2 (1162)

(38)

311⁄2

(800)

Wheel Diameter = 241⁄2 (622)
Shaft Diameter = 11⁄2 (38)
Outlet Area = 3.40 ft2 (0.32 m 2 )
^Approximate Unit Weight = 568 lb. (258 kg)

1147

4800

1412

5700

1676

6600

1941

7500

2206

8400

2471

9300

2735

10200 3000

11100 3265

12000 3529

D

0

65

0

5

424

2

4

5

6
8
Volume (cfm X 1000)
10

10

15

12

14

20

Maximum BHP at a given RPM = (RPM/749)3
(Maximum KW at a given RPM = (RPM/826)3)

Maximum RPM = 1588
Tip Speed (ft/min.) = RPM x 6.41
(Tip Speed (m/s) = RPM x 0.0326)

Maximum Motor Frame Size = 256T

OV

3900

½

Volume (m3/hr x 1000)

SWB-224

882

3

0

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown is largest cataloged Open Drip Proof motor

3000

1

88

0

¾

15

2

36 (914)
411⁄2 (1054)

CFM

4

1

2

60
13

33 ⁄8 (854)

6

3

25
11

193⁄4 (502)

5

8

4

0
89

315⁄8 (803)

10

1½

57 ⁄4
3

2

(660)

5

12

to
the
left
of t
his
sys
tem
cur
ve

26

261⁄4

(667)

RPM
HP
Density 0.075 lb/ft3

no
ts
ele
ct

(64)

o

(483)

Static Pressure (in. wg)

(635)

14

1

Static Pressure (Pa x 100)

(451)

19

3

25

7½

173⁄4

5

(1032)

RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones
RPM
BHP
Sones

0.5
526
0.34
7.4
594
0.50
8.5
674
0.71
10.0
760
1.00
12.4
851
1.36
14.5
946
1.82
17.1
1041
2.38
20
1139
3.07
24
1239
3.89
28
1339
4.85
31
1440
5.98
34

0.75
614
0.51
9.1
659
0.68
9.4
729
0.92
11.0
809
1.24
13.0
894
1.64
15.2
982
2.13
17.8
1076
2.73
21
1170
3.44
25
1266
4.29
29
1364
5.28
32
1463
6.43
35

1
699
0.71
12.7
726
0.89
10.4
783
1.14
11.7
856
1.49
13.5
936
1.92
15.8
1020
2.44
18.6
1108
3.08
22
1200
3.83
25
1294
4.71
29
1390
5.73
32
1486
6.90
35

1.5

861
1.37
14.5
890
1.64
13.2
945
2.01
14.7
1015
2.49
17.0
1093
3.09
19.7
1175
3.79
23
1261
4.60
27
1348
5.55
30
1440
6.65
32
1534
7.89
36

Static Pressure in Inches wg
2
2.5
3

1001
2.20
16.1
1036
2.60
16.5
1093
3.11
18.2
1162
3.74
21
1240
4.51
24
1320
5.39
27
1404
6.41
30
1490
7.57
33

1106
2.84
18.9
1126
3.22
19.1
1171
3.77
20
1230
4.45
22
1301
5.24
25
1378
6.20
27
1458
7.28
30

1221
3.95
22
1251
4.49
23
1300
5.19
24
1362
6.03
25
1433
7.01
28
1510
8.16
31

3.5

4

4.5

1309
4.72
25
1329
5.24
25
1369
5.98
26
1423
6.85
26
1489
7.87
28

1411
6.10
27
1438
6.80
27
1484
7.69
28

1487
6.98
29
1508
7.65
29

Performance certified is for installation Type B - Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The AMCA Certified Ratings Seal applies to air performance only.

47

SWB-327 - Belt Drive
Series 300

SWB-327

461⁄4

7

(545)

16

(106)

481⁄4 (1226)
527⁄16 (1332)

353⁄4 (908)

0

Wheel Diameter = 27 (686)
Shaft Diameter = 111⁄16 (43)
Outlet Area = 4.19 ft2 (0.389 m 2 )
^Approximate Unit Weight = 917 lb. (417 kg)

sys
tem
this

to
the
left
of

1

7
72 92
6 0
57 29
1

D

0

0

0

2

4

5

6

10

76

90

7

8
10
12
Volume (cfm X 1000)

10

15

14

20

16

25

30

Maximum BHP at a given RPM = (RPM/629)3
(Maximum KW at a given RPM = (RPM/693)3)

SWB-327

Maximum Motor Frame Size = 256T

OV

5000

1193

5900

1408

6800

1622

7700

1837

8600

2052

9500

2267

10400 2482

11300 2696

12200 2911

13100 3126

14000 3341

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

0.5
1
551
663
0.66
1.10
10.3 / 72 11.8 / 75
604
712
0.89
1.40
11.5 / 74 12.9 / 76
666
764
1.17
1.75
12.9 / 76 14 / 77
731
815
1.53
2.17
14.5 / 78 15.2 / 79
801
872
1.97
2.65
16.3 / 80 17 / 80
871
934
2.51
3.23
18.5 / 82 19.2 / 82
942
997
3.14
3.90
21 / 84
22 / 84
1014
1066
3.89
4.70
24 / 86
24 / 86
1086
1135
4.74
5.62
27 / 88
28 / 88
1160
1205
5.72
6.67
30 / 90
32 / 91
1233
1276
6.83
7.85
35 / 92
37 / 93

18

Volume (m3/hr x 1000)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

CFM

48

¾

no
ts
ele
ct

2

1

2

o

281⁄2 (724)

4

3

31

33 (838)

6

13

(838)

8

12

(89)

4

25
14 5
5

31⁄2 (1292)

33

10

Static Pressure (in. wg)

(813)

1½

32

507⁄8

5

2

613⁄4

(1568)

12

3

(727)

(730)

Static Pressure (Pa x 100)

14

285⁄8

283⁄4

RPM
HP
Density 0.075 lb/ft3

6
curv
e

(762)

43⁄16

15

(540)

217⁄16

10

30

7½

211⁄4

5

(1175)

1.5
756
1.57
13.2 / 77
800
1.92
14.1 / 78
849
2.34
15.2 / 79
900
2.83
16.6 / 80
951
3.40
18.3 / 81
1003
4.03
20 / 83
1059
4.76
22 / 85
1121
5.59
25 / 87
1184
6.54
29 / 89
1249
7.62
33 / 91
1317
8.87
38 / 94

Maximum RPM = 1425
Tip Speed (ft/min.) = RPM x 7.07
(Tip Speed (m/s) = RPM x 0.0359)

Static Pressure in Inches wg
2
2.5
3
3.5
841
2.08
14.9 / 79
878
953
1022
2.48
3.07
3.69
15.6 / 79 17.6 / 81 19.6 / 83
923
991
1058
1120
2.95
3.59
4.26
4.96
16.6 / 80 18.2 / 82 19.9 / 83 22 / 85
971
1037
1098
1157
3.50
4.19
4.91
5.65
18.1 / 81 19.4 / 83 21 / 84
22 / 85
1022
1085
1145
1201
4.14
4.88
5.66
6.45
19.7 / 83 21 / 84
22 / 85
24 / 86
1074
1136
1194
1248
4.86
5.67
6.50
7.35
21 / 84
23 / 85
25 / 87
26 / 88
1125
1188
1244
1297
5.66
6.56
7.45
8.35
24 / 86
26 / 87
27 / 88
29 / 89
1177
1239
1296
1348
6.55
7.53
8.51
9.47
27 / 88
28 / 89
31 / 90
32 / 91
1236
1291
1347
1400
7.55
8.60
9.66
10.7
30 / 90
32 / 91
34 / 92
35 / 92
1298
1345
1399
8.68
9.78
10.9
35 / 92
36 / 93
37 / 93
1361
1407
9.94
11.1
39 / 94
40 / 94

4

4.5

5

1179
5.67
24 / 86
1215
6.43
24 / 86
1253
7.26
25 / 87
1299
8.21
28 / 89
1347
9.27
31 / 90
1397
10.5
33 / 91

1234
6.40
26 / 88
1270
7.22
26 / 88
1307
8.11
27 / 88
1348
9.10
29 / 89
1395
10.2
32 / 91

1322
8.02
28 / 89
1358
8.97
29 / 89
1395
10.0
30 / 90

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance only.

SWB-327-AF - Belt Drive
Series 300

SWB-327-AF

461⁄4

6

61 ⁄4
3

(1568)

32

50 ⁄8
7

(89)

48 ⁄4 (1226)

urv
e

1

Do

1

353⁄4 (908)

527⁄16 (1332)

0

Wheel Diameter = 27 (686)
Shaft Diameter = 111⁄16 (43)
Outlet Area = 4.19 ft2 (0.389 m 2 )
^Approximate Unit Weight = 877 lb. (399 kg)

0

0

2

0

n

4

5

6
61 71
0

76

13

2

¾

8
96

281⁄2 (724)

4

1

2

5
84

33 (838)

6

47
11

(838)

2
3 1½

13

33

(813)

(1292)

8

4

50
14

31⁄2

10

ec
tt
ot
he
lef
to
f th
is s
yst
em
c

(727)

(730)

RPM
HP
Density 0.075 lb/ft3

5

12

3

28 ⁄8

28 ⁄4

5

3

7½

ot
se
l

(106)

Static Pressure (in. wg)

(545)

(762)

Static Pressure (Pa x 100)

(540)

14

43⁄16

15

217⁄16

30

10

211⁄4

5

(1175)

8

6
8
10
Volume (cfm X 1000)
10

15

12

14

20

16

25

Volume (m3/hr x 1000)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

Maximum BHP at a given RPM = (RPM/671)3
(Maximum KW at a given RPM = (RPM/740)3)

Maximum RPM = 1450
Tip Speed (ft/min.) = RPM x 7.07
(Tip Speed (m/s) = RPM x 0.0359)

Maximum Motor Frame Size = 256T

SWB-327-AF
CFM

OV

6000

1431

6700

1599

7400

1766

8100

1933

8800

2100

9500

2267

10200 2434

10900 2601

11600 2768

12300 2935

13000 3102

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

0.5
664
0.86
10 / 72
719
1.07
11.1 / 74
776
1.31
12.6 / 76
834
1.59
14.2 / 77
893
1.91
16.1 / 79
953
2.28
18.3 / 81
1013
2.70
21 / 83
1074
3.17
22 / 84
1136
3.70
23 / 85
1198
4.30
24 / 86
1260
4.96
26 / 87

1
755
1.38
11.3 / 74
804
1.63
12.4 / 75
856
1.92
13.7 / 77
908
2.24
15.4 / 79
963
2.61
17.3 / 81
1019
3.03
19.2 / 82
1075
3.51
20 / 83
1133
4.03
22 / 84
1192
4.61
23 / 85
1251
5.26
24 / 87
1311
5.96
26 / 88

1.5
833
1.90
12.6 / 75
881
2.21
13.8 / 77
928
2.55
15.3 / 79
977
2.93
16.8 / 80
1028
3.35
18.1 / 82
1081
3.82
19.3 / 83
1134
4.33
21 / 84
1189
4.91
22 / 85
1245
5.54
23 / 86
1301
6.24
25 / 87
1358
7.00
26 / 88

Static Pressure in Inches
2
2.5
3
906
975
2.44
3.01
14 / 77
15.6 /79
946
1013
1075
2.80
3.41
4.04
15.3 / 79 16.6 / 80 17.4 / 81
994
1052
1112
3.21
3.85
4.52
16.8 / 80 17.4 / 81 18.2 / 82
1041
1100
1152
3.64
4.35
5.05
17.7 / 81 18.4 / 82 19.1 / 82
1089
1147
1200
4.11
4.88
5.65
18.7 / 82 19.4 / 83 20 / 83
1139
1194
1247
4.62
5.45
6.29
19.7 / 83 20 / 84
21 / 84
1190
1243
1294
5.19
6.07
6.95
21 / 84
21 / 84
22 / 85
1242
1293
1342
5.81
6.73
7.68
22 / 85
23 / 85
23 / 86
1296
1345
1392
6.49
7.46
8.46
23 / 86
24 / 86
25 / 87
1351
1398
1443
7.23
8.25
9.29
25 / 87
25 / 87
26 / 87
1406
8.04
26 / 88

wg
3.5

4

1169
1223
5.22
5.93
19 / 82 19.9 / 83
1208
1260
5.79
6.54
19.8 / 83 21 / 84
1247
1299
6.41
7.21
21 / 84
22 / 85
1295
1340
7.12
7.94
22 / 85
23 / 85
1343
1388
7.86
8.75
23 / 86
24 / 86
1390
1435
8.62
9.59
24 / 86
25 / 87
1438
9.46
25 / 87

4.5

5

1310
7.32
22 / 85
1348
8.03
22 / 85
1387
8.79
23 / 86
1429
9.63
25 / 87

1395
8.86
23 / 86
1433
9.66
24 / 87

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance and LwiA values only.

49

SWB-330 - Belt Drive
Series 300

SWB-330

503⁄4

7

(106)

curv
e

0

this
sys
tem
to
the
left
of
no
ts
e le
ct

5

5

0

79

0

76

35

Wheel Diameter = 30 (762)
Shaft Diameter = 115⁄16 (49)
Outlet Area = 5.17 ft2 (0.480 m 2 )
^Approximate Unit Weight = 1088 lb. (495 kg)

0

60 664
3
47 527
9

12

0

1

1

54 (1372)
583⁄16 (1478)

381⁄2 (978)

¾

32

2

2

90

317⁄8 (810)

3

10

353⁄4 (908)

4

4

1

(930)

6

RPM
HP
Density 0.075 lb/ft3

11

(89)

8

1½

31⁄2 (1419)

365⁄8

10

2

(895)

557⁄8

5

o

351⁄4

681⁄4

(1734)

12

3

(808)

D

3113⁄16

(803)

6
14
Static Pressure (in. wg)

(605)

16

Static Pressure (Pa x 100)

315⁄8

(848)

43⁄16

15

(587)

2313⁄16

10

333⁄8

5

231⁄8

7½

(1289)

10
15
Volume (cfm X 1000)
10

15

20

25

20

30

25

35

40

Volume (m3/hr x 1000)

Maximum BHP at a given RPM = (RPM/527)3

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

(Maximum KW at a given RPM = (RPM/581)3)

Maximum RPM = 1279
Tip Speed (ft/min.) = RPM x 7.85
(Tip Speed (m/s) = RPM x 0.0399)

Maximum Motor Frame Size = 256T

SWB-330
CFM

OV

7000

1353

8000

1547

9000

1740

10000 1934

11000 2127

12000 2321

13000 2514

14000 2707

15000 2901

16000 3094

17000 3288

50

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

0.5
1
531
630
1.02
1.62
12.7 / 76 13.8 / 77
580
671
1.31
2.00
13.9 / 77 15 / 79
631
713
1.67
2.43
15.1 / 79 16 / 80
686
755
2.12
2.93
16.7 / 80 17.4 / 81
742
804
2.65
3.51
18.4 / 82 19 / 82
799
855
3.28
4.18
20 / 83
21 / 84
857
906
4.00
4.95
22 / 85
23 / 85
915
962
4.84
5.85
25 / 86
25 / 87
974
1018
5.79
6.87
27 / 88
28 / 88
1033
1075
6.86
8.02
30 / 90
31 / 90
1093
1132
8.07
9.31
33 / 91
34 / 92

1.5
709
2.25
15.3 / 79
748
2.69
16.3 / 80
789
3.21
17.5 / 81
831
3.80
18.7 / 82
872
4.45
19.9 / 83
914
5.19
21 / 84
961
6.02
24 / 86
1011
6.96
26 / 87
1062
8.01
28 / 89
1114
9.19
32 / 91
1170
10.5
35 / 92

Static Pressure
2
2.5
782
849
2.93
3.65
16.7 / 80 18.5 / 82
816
879
3.42
4.19
17.6 / 81 19.1 / 82
854
914
4.00
4.82
18.7 / 82 19.9 / 83
894
953
4.66
5.54
19.9 / 83 21 / 84
936
993
5.40
6.35
21 / 84
23 / 85
978
1034
6.23
7.26
23 / 85
24 / 86
1019
1076
7.13
8.27
25 / 86
26 / 88
1061
1117
8.13
9.35
27 / 88
28 / 89
1109
1159
9.25
10.5
30 / 89
31 / 90
1159
1202
10.5
11.8
33 / 91
34 / 92
1210
1252
11.9
13.3
37 / 93
39 / 94

in Inches
3
911
4.39
20 / 84
940
5.00
21 / 84
970
5.68
21 / 84
1007
6.46
23 / 85
1045
7.32
24 / 86
1085
8.30
26 / 87
1127
9.38
28 / 88
1169
10.6
30 / 90
1210
11.8
33 / 91
1252
13.2
36 / 93

wg
3.5

4

4.5

5

997
5.83
23 / 86
1026
6.58
23 / 86
1057
7.39
24 / 86
1095
8.33
25 / 87
1134
9.36
27 / 88
1174
10.5
29 / 89
1215
11.8
32 / 91
1257
13.1
35 / 92

1050
6.69
25 / 87
1079
7.50
25 /87
1109
8.38
26 / 87
1142
9.35
27 / 88
1180
10.5
29 / 89
1219
11.6
31 / 90
1259
13.0
34 / 92

1128
8.44
27 / 88
1158
9.39
27 / 89
1188
10.4
28 / 89
1224
11.6
30 / 90
1262
12.8
33 / 91

1175
9.40
29 / 90
1204
10.4
29 / 90
1234
11.5
30 / 90
1266
12.7
32 / 91

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance only.

SWB-330-AF - Belt Drive
Series 300

SWB-330-AF

503⁄4

6

urve

stem
c
this
sy

ft o
f

1

¾
1

56

51

0

Wheel Diameter = 30 (762)
Shaft Diameter = 115⁄16 (49)
Outlet Area = 5.17 ft2 (0.480 m 2 )
^Approximate Unit Weight = 998 lb. (454 kg)

0

3

2

54 (1372)
583⁄16 (1478)

2

3
96

2

317⁄8 (810)

381⁄2 (978)

4

2

2
81
9
70 4
64

353⁄4 (908)

6

RPM
HP
Density 0.075 lb/ft3

5
130
13
12

(1419)

(89)

3

02
11

365⁄8

(930)

8

1½

3 ⁄2
1

351⁄4

(895)

557⁄8

4

he
le

681⁄4

(1734)

10

to
t

(808)

no
ts
ele
ct

(803)

5

12
Static Pressure (in. wg)

31 ⁄16
13

Do

(106)
Static Pressure (Pa x 100)

(605)

3

31 ⁄8
5

(848)

14

43⁄16

15

(587)

2313⁄16

10

333⁄8

7½

231⁄8

5

(1289)

0

5

0

10
15
Volume (cfm X 1000)
10

20

20

25

30

40

Volume (m3/hr x 1000)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

Maximum BHP at a given RPM = (RPM/563)3
(Maximum KW at a given RPM = (RPM/621)3)

Maximum RPM = 1305
Tip Speed (ft/min.) = RPM x 7.85
(Tip Speed (m/s) = RPM x 0.0399)

Maximum Motor Frame Size = 256T

SWB-330-AF
CFM

OV

8000

1547

8800

1702

9600

1856

10400 2011

11200 2166

12000 2321

12800 2475

13600 2630

14400 2785

15200 2940

16000 3094

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

0.5
631
1.23
11.7 / 75
678
1.49
13 / 76
726
1.79
14.1 / 78
775
2.14
15.6 / 79
825
2.53
17.3 / 81
875
2.97
19.2 / 82
925
3.46
21 / 84
976
4.02
24 / 86
1027
4.64
26 / 87
1079
5.32
27 / 88
1131
6.07
28 / 89

1
709
1.91
12.9 / 76
752
2.22
14 / 77
795
2.58
15.3 / 79
840
2.97
16.8 / 80
886
3.42
18.5 / 82
933
3.92
20 / 83
980
4.48
23 / 85
1028
5.09
24 / 86
1077
5.76
26 / 87
1127
6.50
27 / 88
1176
7.31
28 / 89

Static Pressure in Inches
1.5
2
2.5
3
779
839
901
957
2.61
3.31
4.05
4.81
14.2 / 77 15.5 / 79 16.9 / 80 18.4 / 82
818
878
933
988
2.98
3.76
4.53
5.34
15.4 / 79 16.7 / 80 18 / 81 19.6 / 83
858
918
970
1020
3.40
4.24
5.08
5.93
16.6 / 80 18 / 81 19.5 / 83 21 / 84
900
957
1010
1056
3.85
4.75
5.68
6.57
18 / 81 19.5 / 83 21 / 84
21 / 84
944
997
1049
1097
4.35
5.32
6.29
7.29
19.6 / 83 21 / 84
22 / 85
22 / 85
987
1039
1088
1136
4.91
5.92
6.96
8.01
22 / 84
22 / 85
23 / 85
23 / 86
1033
1082
1129
1175
5.51
6.58
7.68
8.79
23 / 86
23 / 86
24 / 86
24 / 86
1079
1126
1172
1215
6.18
7.31
8.46
9.64
24 / 86
24 / 86
25 / 87
25 / 87
1125
1171
1215
1257
6.92
8.09
9.30
10.5
26 / 87
26 / 87
26 / 87
27 / 88
1172
1217
1259
1300
7.72
8.95
10.2
11.5
27 / 88
27 / 88
27 / 88
28 / 89
1220
1263
1303
8.59
9.87
11.2
28 / 89
29 / 89
29 / 89

wg
3.5

4

4.5

5

1039
6.18
21 / 83
1071
6.81
21 / 84
1103
7.49
22 / 85
1139
8.25
23 / 86
1180
9.08
24 / 86
1219
9.92
25 / 87
1258
10.8
26 / 88
1298
11.8
27 / 88

1119
7.72
22 / 85
1150
8.45
23 / 85
1182
9.24
24 / 86
1219
10.1
25 / 87
1260
11.1
26 / 87
1299
12.0
27 / 88

1195
9.43
24 / 86
1227
10.3
25 / 87
1259
11.2
25 / 87
1297
12.2
27 / 88

1238
10.4
25 / 87
1269
11.3
25 / 87
1301
12.3
26 / 88

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance and LwiA values only.

51

SWB-333 - Belt Drive
Series 300

SWB-333

559⁄16

7

(106)

41 ⁄16 (1056)

0

Wheel Diameter = 33 (838)
Shaft Diameter = 115⁄16 (49)
Outlet Area = 6.26 ft2 (0.582 m 2 )
^Approximate Unit Weight = 1231 lb. (560 kg)
All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

left
of

no
t

2

563⁄8 (1432)
609⁄16 (1538)

1
0

0

64
2
56
50 1
44 9
5

5

0

87

1

76

9

317⁄8 (810)

9

2

1

383⁄4 (984)

4

3

95

(1016)

6

1½

(89)

8

4

63
11
97
10

31⁄2 (1543)

40

10

Do

(813)

2

381⁄4

603⁄4

5

3

749⁄16

(1894)

12

Static Pressure (in. wg)

(889)

Static Pressure (Pa x 100)

35

(878)

5

349⁄16

RPM
HP
Density 0.075 lb/ft3

this
syst
em c
urve

6
14

the

(665)

16

se
lec
t to

(848)

43⁄16

20

(635)

263⁄16

15

333⁄8

10

25

7½

(1175)

1

10
15
20
Volume (cfm X 1000)
10

20

30

25

30

40

50

Volume (m3/hr x 1000)

Maximum BHP at a given RPM = (RPM/445)3
(Maximum KW at a given RPM = (RPM/491)3)

Maximum RPM = 1163
Tip Speed (ft/min.) = RPM x 8.64
(Tip Speed (m/s) = RPM x 0.0439)

Maximum Motor Frame Size = 256T

SWB-333
CFM

OV

7500

1198

9000

1437

10500 1677

12000 1916

13500 2156

15000 2396

16500 2635

18000 2875

19500 3115

21000 3354

22500 3594

52

RPM
BHP
Sones / LwiA
RPM
BHP
Sones
RPM
BHP
Sones / LwiA
RPM
BHP
Sones
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

0.5
440
0.96
10 / 71
489
1.32
11.7 / 74
547
1.81
14.1 / 77
606
2.42
16.8 / 80
666
3.17
19.8 / 83
727
4.08
23 / 85
789
5.16
26 / 87
852
6.44
29 / 89
916
7.94
33 / 91
981
9.67
38 / 93
1046
11.6
42 / 95

Static Pressure in Inches
1
1.5
2
2.5
3
535
615
686
756
821
1.61
2.31
3.09
3.94
4.86
11.3 / 74 13 / 76 14.9 / 78 17.8 / 81 21 / 83
576
650
717
779
836
2.09
2.87
3.71
4.62
5.57
13.1 / 76 14.7 / 78 16.1 / 79 17.6 / 81 19.7 / 83
619
690
753
811
867
2.68
3.57
4.49
5.43
6.47
15.3 / 78 16.8 / 80 18 / 81 19.2 / 82 21 / 83
666
733
794
849
901
3.36
4.41
5.41
6.46
7.53
17.8 / 81 19 / 82
20 / 83
21 / 84
23 / 85
721
778
836
890
940
4.21
5.34
6.50
7.64
8.81
20 / 83
21 / 84
23 / 85
24 / 86
25 / 87
779
826
880
932
980
5.23
6.40
7.72
9.00
10.3
23 / 85
24 / 86
25 / 87
27 / 88
28 / 88
838
882
927
976
1023
6.44
7.70
9.05
10.5
11.9
26 / 87
27 / 88
29 / 89
30 / 89
31 / 90
898
940
978
1023
1067
7.83
9.21
10.6
12.1
13.7
30 / 90
31 / 90
32 / 91
34 / 91
35 / 92
958
998
1035
1070
1114
9.42
10.9
12.4
14.0
15.7
34 / 92
36 / 92
36 / 93
37 / 93
38 / 93
1019
1058
1093
1127
1161
11.3
12.9
14.5
16.1
17.8
39 / 94
39 / 94
40 / 94
41 / 95
42 / 95
1081
1117
1152
13.3
15.1
16.8
43 / 95
43 / 96
45 / 96

wg
3.5

4

4.5

5

895
6.60
23 / 85
919
7.55
22 / 85
950
8.66
24 / 86
987
10.0
27 / 87
1026
11.6
30 / 89
1067
13.3
32 / 91
1110
15.3
36 / 92
1154
17.4
39 / 94

951
7.68
26 / 87
968
8.65
25 / 86
999
9.86
26 / 87
1031
11.2
28 / 88
1070
12.9
31 / 90
1109
14.7
33 / 91
1151
16.8
37 / 93

1004
8.80
31 / 89
1018
9.83
28 / 88
1044
11.1
27 / 88
1075
12.5
29 / 89
1111
14.2
32 / 90
1150
16.1
35 / 92

1068
11.1
31 / 90
1088
12.3
29 / 89
1118
13.9
30 / 90
1150
15.6
33 / 91

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance only.

SWB-333-AF - Belt Drive
Series 300

SWB-333-AF

55 ⁄16
9

(106)

(813)

Wheel Diameter = 33 (838)
Shaft Diameter = 115⁄16 (49)
Outlet Area = 6.26 ft2 (0.582 m 2 )
^Approximate Unit Weight = 1166 lb. (530 kg)
All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

0

0

5

0

5

10
15
Volume (cfm X 1000)
10

86

0

69

3

56 ⁄8 (1432)
3

609⁄16 (1538)

6
55 07
2

Do

38

1

94

2

10

317⁄8 (810)

2

4
82

383⁄4 (984)
419⁄16 (1056)

4

3

11

(89)

6

1½

40

(1016)

8

is s
yst

603⁄4

3 ⁄2 (1543)
1

4

lef
to
f th

(1894)

10

Static Pressure (in. wg)

38 ⁄4
1

2

(889)

3

(878)

749⁄16

Static Pressure (Pa x 100)

35

RPM
HP
Density 0.075 lb/ft3

em
cur
ve

5

12

349⁄16

10

no
ts
ele
ct
to
the

(665)

(848)

14

20

(635)

6

43⁄16

15

263⁄16

333⁄8

7½

25

5

(1175)

20

20

25

30

40

Volume (m3/hr x 1000)

Maximum BHP at a given RPM = (RPM/482)3
(Maximum KW at a given RPM = (RPM/531)3)

Maximum RPM = 1186
Tip Speed (ft/min.) = RPM x 8.64

(Tip Speed (m/s) = RPM x 0.0439)

Maximum Motor Frame Size = 256T

SWB-333-AF
CFM
9000

OV
1437

10000 1597

11000 1757

12000 1916

13000 2076

14000 2236

15000 2396

16000 2555

17000 2715

18000 2875

19000 3035

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

0.5
541
1.25
12.3 / 75
584
1.52
14.3 / 77
628
1.84
16.5 / 79
674
2.21
18.9 / 82
719
2.65
21 / 83
766
3.14
22 / 84
812
3.70
24 / 86
859
4.33
26 / 87
907
5.03
28 / 88
954
5.82
30 / 90
1002
6.67
32 / 91

Static Pressure
1
1.5
2
2.5
613
679
742
801
2.01
2.79
3.61
4.42
14.1 / 77 16.3 / 79 19.4 / 81 21 / 82
652
714
772
828
2.36
3.21
4.09
5.01
16.1 / 79 17.7 / 80 20 / 82
24 / 83
692
751
805
858
2.75
3.67
4.62
5.61
17.8 / 81 19.2 / 82 21 / 83
25 / 84
734
789
841
890
3.20
4.19
5.21
6.25
19.4 / 82 21 / 83
22 / 84
25 / 85
776
829
878
925
3.69
4.77
5.86
6.96
21 / 83
22 / 84
24 / 85
26 / 87
820
870
916
962
4.23
5.41
6.56
7.74
23 / 85
24 / 86
26 / 87
28 / 88
864
911
957
999
4.84
6.09
7.33
8.59
25 / 86
26 / 87
27 / 88
30 / 89
909
954
997
1039
5.52
6.83
8.17
9.49
27 / 88
28 / 88
29 / 89
31 / 90
954
998
1039
1079
6.28
7.65
9.08
10.5
29 / 89
30 / 90
31 / 90
33 / 91
1000
1042
1082
1120
7.13
8.54
10.0
11.6
31 / 90
32 / 91
33 / 91
34 / 92
1046
1086
1125
1161
8.07
9.51
11.1
12.7
33 / 91
34 / 92
36 / 92
37 / 93

in Inches wg
3
3.5

881
5.91
25 / 85
909
6.62
31 / 86
938
7.33
31 / 87
969
8.10
31 / 88
1005
8.94
31 / 89
1041
9.85
32 / 90
1078
10.8
33 / 91
1117
11.9
35 / 91
1157
13.0
36 / 92

956
7.63
31 / 87
985
8.44
39 / 89
1015
9.27
37 / 89
1046
10.2
35 / 90
1081
11.1
34 / 91
1117
12.2
36 / 91
1154
13.3
37 / 92

4

4.5

5

1003
8.55
31 / 89
1029
9.58
38 / 90
1058
10.5
43 / 91
1088
11.4
41 / 91
1119
12.5
39 / 92
1154
13.6
39 / 92

1072
10.6
36 / 90
1099
11.7
43 / 91
1128
12.7
46 / 92
1158
13.8
44 / 93

1139
12.8
42 / 92
1167
14.0
50 / 93

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance and LwiA values only.

53

SWB-336
SWB- - Belt Drive
Series 300

SWB-336

61

7

(106)

6

0

Wheel Diameter = 361⁄2 (927)
Shaft Diameter = 23⁄16 (56)
Outlet Area = 7.66 ft2 (0.712 m 2 )
^Approximate Unit Weight = 1530 lb. (695 kg)

this
sy

left
of

the
no
ts
ele
ct
to

1

1

54
2
376 430 474

Do

591⁄8 (1502)
635⁄16 (1608)

1½

0
0

5

0

51

2

2

10

4

3

10

10

73

6

64

3

7

317⁄8 (810)

6

0
81

41 ⁄2 (1054)
455⁄16 (1151)
1

8

92

(1130)

(1705)

4

2

(89)

10

5

3

31⁄2

441⁄2

(1067)

671⁄8

Static Pressure (in. wg)

42

823⁄4

(2102)

12

5

(983)

(972)

Static Pressure (Pa x 100)

14

3811⁄16

381⁄4

RPM
HP
Density 0.075 lb/ft3

stem
curv
e

(735)

16

25

(848)

43⁄16

20

(692)

2815⁄16

15

333⁄8

10

271⁄4

7½

(1549)

15
20
Volume (cfm X 1000)
20

30

25

40

30

35

50

Volume (m3/hr x 1000)

Maximum BHP at a given RPM = (RPM/376)3

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

(Maximum KW at a given RPM = (RPM/415)3)

Maximum RPM = 1051
Tip Speed (ft/min.) = RPM x 9.56
(Tip Speed (m/s) = RPM x 0.0486)

Maximum Motor Frame Size = 286T

SWB-336
CFM

OV

7500

979

9500

1240

11500 1501

13500 1762

15500 2023

17500 2284

19500 2545

21500 2806

23500 3067

25500 3328

27500 3590

54

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

0.5
362
0.86
10.7 / 71
405
1.25
11.9 / 73
456
1.77
13.7 / 76
513
2.46
16.2 / 79
572
3.35
19.1 / 82
631
4.45
22 / 85
692
5.79
26 / 87
754
7.41
29 / 89
817
9.33
33 / 91
881
11.6
38 / 93
944
14.2
43 / 96

1
454
1.54
10.8 / 73
490
2.06
12.6 / 75
531
2.74
14.6 / 78
575
3.56
17.1 / 80
623
4.54
19.9 / 82
680
5.80
23 / 85
738
7.30
27 / 87
796
9.07
30 / 90
855
11.1
34 / 92
916
13.5
39 / 94
976
16.3
45 / 96

Static Pressure
1.5
2
2.5
532
606
2.33
3.24
12.9 / 76 16.1 / 79
561
625
685
2.94
3.90
4.95
14.1 / 77 15.9 / 79 18.7 / 82
597
656
712
3.73
4.76
5.91
16.1 / 79 17.8 / 81 19.3 / 82
638
694
745
4.72
5.87
7.07
18.7 / 81 20 / 83
21 / 84
680
734
784
5.89
7.20
8.52
21 / 84
22 / 85
24 / 85
727
777
825
7.21
8.75
10.2
24 / 86
25 / 86
27 / 87
778
823
867
8.80
10.4
12.2
27 / 88
28 / 88
30 / 89
835
870
913
10.7
12.4
14.3
31 / 90
32 / 90
33 / 91
892
926
959
13.0
14.8
16.6
35 / 92
37 / 92
38 / 93
951
983
1014
15.5
17.4
19.4
40 / 94
42 / 95
43 / 95
1010
1041
18.4
20.5
46 / 96
47 / 96

in Inches wg
3
3.5

745
6.09
22 / 84
764
7.09
21 / 83
794
8.35
22 / 85
830
9.88
25 / 86
869
11.7
28 / 88
910
13.8
31 / 90
953
16.2
35 / 92
999
18.7
40 / 94
1045
21.5
44 / 95

813
8.34
23 / 85
841
9.70
24 / 86
873
11.3
26 / 87
911
13.2
29 / 89
951
15.4
33 / 91
992
18.0
37 / 92
1035
20.8
41 / 94

4

4.5

5

863
9.70
26 / 87
885
11.1
25 / 87
915
12.8
27 / 88
951
14.8
31 / 90
989
17.1
34 / 91
1030
19.8
38 / 93

911
11.1
30 / 89
926
12.5
28 / 88
957
14.3
29 / 89
988
16.4
32 / 90
1026
18.8
35 / 92

970
14.1
31 / 90
996
15.9
31 / 90
1026
18.0
33 / 91

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance only.

SWB-336-AF - Belt Drive
Series 300
61

6

Static Pressure (in. wg)

9
9

1

0

7

0

5

4

0

8

46

51

591⁄8 (1502)
635⁄16 (1608)

8
69

2

317⁄8 (810)

2

79

4

58

411⁄2 (1054)
455⁄16 (1151)

6

87

(89)

3
1½

441⁄2

(1130)

(1705)

2

3 ⁄2
1

8

47
06
10

42

(1067)

671⁄8

4

10

82 ⁄4

(2102)

10

3

(983)

3

Static Pressure (Pa x 100)

3811⁄16

(972)

5

12

RPM
HP
Density 0.075 lb/ft3

25

(106)

20

381⁄4

(848)

(735)

14

43⁄16

15

(692)

2815⁄16

5

333⁄8

10

271⁄4

7½

(1549)

10

15

20

25

30

Volume (cfm X 1000)

Wheel Diameter = 361⁄2 (927)
Shaft Diameter = 23⁄16 (56)
Outlet Area = 7.66 ft2 (0.712 m 2 )
^Approximate Unit Weight = 1445 lb. (657 kg)

0

10

20

30

40

50

Volume (m3/hr x 1000)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

Maximum BHP at a given RPM = (RPM/408)3
(Maximum KW at a given RPM = (RPM/450)3)

Maximum RPM = 1047
Tip Speed (ft/min.) = RPM x 9.56
(Tip Speed (m/s) = RPM x 0.0485)

Maximum Motor Frame Size = 286T

SWB-336-AF
CFM

OV

12000 1566

13000 1697

14000 1827

15000 1958

16000 2088

17000 2219

18000 2349

19000 2480

20000 2610

21000 2741

22000 2872

RPM
BHP
Sones / LwiA
RPM
BHP
Sones
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

0.5
1
1.5
521
583
639
1.80
2.80
3.82
14.6 / 78 16.1 / 79 18.2 / 81
553
612
666
2.10
3.18
4.27
16.2 / 79 17.7 / 81 19.9 / 82
586
642
693
2.44
3.61
4.77
18 / 81 19.6 / 82 21 / 83
620
673
723
2.84
4.06
5.31
20 / 83
22 / 84
22 / 84
654
705
752
3.28
4.56
5.89
22 / 84
23 / 85
24 / 85
688
737
782
3.77
5.10
6.53
24 / 85
24 / 86
25 / 86
722
770
813
4.32
5.70
7.21
25 / 86
26 / 87
27 / 87
757
802
845
4.92
6.35
7.92
27 / 87
28 / 88
28 / 88
792
836
876
5.58
7.06
8.69
28 / 88
29 / 89
30 / 89
827
869
909
6.31
7.85
9.53
30 / 89
31 / 90
32 / 90
862
903
941
7.10
8.71
10.4
32 / 90
33 / 91
34 / 91

Static Pressure
2
2.5
693
744
4.89
6.00
21 / 82
24 / 84
716
766
5.41
6.58
22 / 83
25 / 85
742
788
5.96
7.20
23 / 84
26 / 85
769
813
6.57
7.87
24 / 85
26 / 86
796
839
7.23
8.59
25 / 86
27 / 87
825
866
7.93
9.37
27 / 87
29 / 88
854
893
8.69
10.2
28 / 88
30 / 89
884
922
9.50
11.1
30 / 89
31 / 90
915
952
10.4
12.0
31 / 90
33 / 91
946
981
11.3
13.0
33 / 91
35 / 92
977
1012
12.3
14.1
35 / 92
37 / 93

in Inches
3
792
7.06
26 / 85
812
7.80
28 / 86
833
8.48
30 / 87
856
9.21
31 / 88
879
9.99
31 / 88
905
10.8
31 / 89
932
11.7
32 / 90
959
12.7
34 / 91
986
13.7
35 / 92
1016
14.8
37 / 92
1045
15.9
38 / 93

wg
3.5

4

4.5

856
8.93
30 / 87
876
9.79
34 / 88
897
10.6
37 / 89
920
11.4
37 / 90
942
12.3
36 / 90
968
13.3
37 / 91
995
14.3
37 / 92
1021
15.4
38 / 92

917
11.0
34 / 89
937
12.0
40 / 90
959
12.9
44 / 91
981
13.9
43 / 92
1003
14.9
42 / 92
1029
16.0
42 / 93

976
13.3
40 / 91
996
14.4
47 / 92
1017
15.4
50 / 93
1040
16.5
48 / 93

5

1032
15.8
45 / 93

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance and LwiA values only.

55

SWB-340 - Belt Drive
Series 300

SWB-340

6613⁄16

7

(1819)

Wheel Diameter = 401⁄4 (1022)
Shaft Diameter = 23⁄16 (56)
Outlet Area = 9.31 ft2 (0.865 m 2 )
^Approximate Unit Weight = 1709 lb. (777 kg)

4

5

0

10

10

8

3

15
20
25
Volume (cfm X 1000)
20

30

40

30

50

35

60

Maximum BHP at a given RPM = (RPM/321)3
(Maximum KW at a given RPM = (RPM/354)3)

SWB-340

Maximum Motor Frame Size = 286T

OV

12500 1342

14250 1530

16000 1718

17750 1906

19500 2094

21250 2282

23000 2470

24750 2658

26500 2846

28250 3034

30000 3222

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

0.5
391
1.80
10.3 / 71
428
2.32
12.6 / 74
466
2.95
15.2 / 77
506
3.72
18.1 / 79
547
4.63
19.9 / 82
589
5.70
23 / 84
631
6.94
26 / 86
673
8.37
29 / 88
716
9.98
32 / 90
758
11.8
35 / 91
801
13.8
38 / 93

1
460
2.85
12.4 / 74
488
3.51
14.8 / 76
521
4.25
16.7 / 78
555
5.12
18.5 / 80
592
6.14
21 / 82
629
7.31
24 / 85
668
8.65
27 / 87
708
10.2
30 / 88
749
11.9
33 / 90
790
13.9
36 / 91
832
16.1
39 / 93

40

Volume (m3/hr x 1000)

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

CFM

56

0
0

40

9

1

0

D

62

54

46

6

621⁄16 (1576)
661⁄4 (1683)

1

87

495⁄16 (1253)

2
2

2

31 ⁄8 (810)

4
2

7

3

69

45 ⁄2 (1156)
1

6

2
79

(1194)

8

4

93

(89)

10

3

31⁄2

47

(1168)

this
sys
tem
curv
e

46

715⁄8

5

o

893⁄16

(2265)

12

5

(1083)

Static Pressure (in. wg)

42 ⁄8

42 ⁄16

(1072)

14

RPM
HP
Density 0.075 lb/ft3

to
the
left
of

(106)

5

3

6

no
ts
ele
ct

4 ⁄16

Static Pressure (Pa x 100)

(810)

7½

(848)

16

3

25

(752)

317⁄8

20

333⁄8

15

295⁄8

10

(1697)

Maximum RPM = 936
Tip Speed (ft/min.) = RPM x 10.54
(Tip Speed (m/s) = RPM x 0.0535)

Static Pressure in Inches
1.5
2
2.5
3
521
575
625
671
3.92
5.06
6.29
7.56
13.9 / 76 15.6 / 78 17.3 / 80 19.4 / 81
547
599
646
691
4.70
5.93
7.22
8.61
15.8 / 78 17.4 / 79 19 / 81
20 / 82
575
625
670
712
5.60
6.95
8.34
9.76
17.8 / 80 19.4 / 81 21 / 83
22 / 84
603
652
697
738
6.63
8.10
9.60
11.1
19.9 / 81 22 / 83
23 / 84
24 / 85
636
680
724
764
7.75
9.40
11.0
12.7
22 / 83
24 / 85
25 / 85
26 / 86
670
710
751
791
9.02
10.8
12.6
14.4
25 / 86
26 / 86
27 / 87
28 / 87
706
744
780
818
10.5
12.4
14.3
16.3
28 / 87
29 / 88
30 / 88
31 / 89
743
778
813
846
12.1
14.1
16.2
18.3
30 / 89
31 / 89
32 / 90
33 / 90
781
814
847
879
14.0
16.1
18.2
20.5
33 / 90
34 / 91
35 / 91
36 / 92
819
851
881
912
16.0
18.2
20.5
22.8
36 / 92
37 / 92
39 / 92
40 / 93
860
889
918
18.3
20.6
23.0
40 / 93
41 / 93
42 / 94

wg
3.5

4

4.5

5

733
10.0
22 / 83
754
11.3
23 / 84
776
12.7
25 / 86
802
14.4
27 / 87
828
16.2
29 / 88
855
18.2
32 / 89
882
20.4
35 / 91
910
22.7
38 / 92

793
12.9
24 / 85
813
14.4
26 / 86
837
16.1
28 / 88
863
18.0
31 / 89
889
20.1
33 / 90
917
22.4
36 / 91

829
14.5
26 / 86
850
16.1
27 / 87
871
17.8
29 / 88
896
19.9
32 / 89
922
22.1
34 / 91

885
17.9
29 / 88
905
19.7
31 / 89
928
21.8
33 / 90

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance only.

SWB-340-AF - Belt Drive
Series 300
SWB-340-AF

6613⁄16

6

425⁄8

(1072)

(1083)

89 ⁄16
3

46

71 ⁄8

(2265)

5

31⁄2

(89)

6

Wheel Diameter = 401⁄4 (1022)
Shaft Diameter = 23⁄16 (56)
Outlet Area = 9.31 ft2 (0.865 m 2 )
^Approximate Unit Weight = 1579 lb. (718 kg)
All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

1

0

Do

0

n

5

0

43

3

10

10

58

49

8

6

3

0

2

1

621⁄16 (1576)
661⁄4 (1683)

3

2

67

2

317⁄8 (810)

3

15
20
Volume (cfm X 1000)
20

30

9

4

5

74

451⁄2 (1156)
495⁄16 (1253)

8

4

8
84

(1194)

10

94

47

(1168)

(1819)

5 7
½

12

RPM
HP
Density 0.075 lb/ft3

he
lef
to
f th
is s
yst
em
cur
ve

(106)

15

10

el
ec
tt
ot

423⁄16

(810)

ot
s

(848)

14

43⁄16

Static Pressure (in. wg)

(752)

317⁄8

Static Pressure (Pa x 100)

333⁄8

25

295⁄8

20

(1697)

25

40

30

35

50

Volume (m3/hr x 1000)

Maximum BHP at a given RPM = (RPM/344)3
(Maximum KW at a given RPM = (RPM/379)3)

Maximum RPM = 949
Tip Speed (ft/min.) = RPM x 10.54

(Tip Speed (m/s) = RPM x 0.0535)

SWB-340-AF
CFM

OV

15000 1611

16500 1772

18000 1933

19500 2094

21000 2255

22500 2416

24000 2577

25500 2738

27000 2900

28500 3061

30000 3222

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

Maximum Motor Frame Size = 286T
Static Pressure in Inches
0.5
1
1.5
2
2.5
3
480
535
586
632
678
720
2.44
3.65
4.89
6.20
7.48
8.79
13.3 / 74 14.6 / 76 16 / 77 17.3 / 78 18.5 / 79 18.9 / 80
518
568
616
660
701
743
2.98
4.30
5.63
7.03
8.48
9.88
15.6 / 77 16.5 / 78 17.9 / 79 19.3 / 80 19.7 / 81 20 / 81
557
602
647
689
730
767
3.60
5.02
6.48
7.95
9.50
11.1
17.6 / 79 18.7 / 80 20 / 81
21 / 82
21 / 82
21 / 82
597
638
679
720
759
795
4.33
5.83
7.43
8.99
10.6
12.3
20 / 81
21 / 82
22 / 83
22 / 83
22 / 83
23 / 84
637
674
714
752
789
824
5.16
6.75
8.45
10.2
11.9
13.6
23 / 83
24 / 84
23 / 84
23 / 84
24 / 84
24 / 85
677
712
749
784
820
853
6.10
7.79
9.58
11.4
13.2
15.1
25 / 85
25 / 85
25 / 85
25 / 85
25 / 86
25 / 86
717
750
784
818
852
885
7.16
8.94
10.8
12.8
14.7
16.7
27 / 87
27 / 87
26 / 87
26 / 87
26 / 87
27 / 88
758
789
820
853
884
916
8.34
10.2
12.2
14.3
16.4
18.4
28 / 88
28 / 88
28 / 88
28 / 88
29 / 88
30 / 89
798
829
857
888
919
948
9.66
11.7
13.7
15.9
18.1
20.3
31 / 90
31 / 90
30 / 90
31 / 90
32 / 90
32 / 90
839
869
896
924
11.1
13.2
15.4
17.6
34 / 91
34 / 91
33 / 91
34 / 91
880
908
935
12.7
14.9
17.2
37 / 93
37 / 93
37 / 93

wg
3.5

4

4.5

782
11.3
21 / 82
806
12.6
22 / 83
830
14.0
23 / 84
858
15.4
25 / 86
886
17.0
27 / 87
916
18.6
29 / 88
947
20.4
31 / 90

819
12.8
21 / 83
842
14.2
22 / 84
865
15.7
24 / 85
889
17.3
26 / 86
918
18.9
28 / 88
947
20.7
30 / 89

876
15.8
24 / 85
899
17.4
25 / 86
923
19.1
27 / 87
947
20.9
29 / 89

5

931
19.1
27 / 87

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance and LwiA values only.

57

SWB-344 - Belt Drive
Series 300
7

(119)

0

Wheel Diameter = 441⁄2 (1130)
Shaft Diameter = 27⁄16 (62)
Outlet Area = 11.39 ft2 (1.06 m 2 )
^Approximate Unit Weight = 2127 lb. (967 kg)
All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

curv
e

left
of t
his
sys
tem
the

t to
ele
c

no
ts

39

0

10

0

10

4

1

D

0

3

0

8

2

705⁄16 (1786)
75 (1905)

1

58

53

46

6

363⁄4 (933)

2

66

50 (1270)
537⁄8 (1368)

4

3

73

(1321)

6

4

3

(89)

8

7
84
2
79

31⁄2 (2003)

52

10

o

501⁄2

(1283)

787⁄8

5

5

985⁄8

(2505)

12

7½

(1197)

Static Pressure (in. wg)

14

471⁄8

465⁄8

(1184)

6

RPM
HP
Density 0.075 lb/ft3

30

(895)

16

25

(970)

411⁄16

20

(821)

351⁄4

10

383⁄16

15

325⁄16

Static Pressure (Pa x 100)

733⁄8

(1864)

SWB-344

20

20
30
Volume (cfm X 1000)
30

40

50

40

60

50

70

80

Volume (m3/hr x 1000)

Maximum BHP at a given RPM = (RPM/271)3
(Maximum KW at a given RPM = (RPM/299)3)

Maximum RPM = 847
Tip Speed (ft/min.) = RPM x 11.65
(Tip Speed (m/s) = RPM x 0.0592)

Maximum Motor Frame Size = 324T

SWB-344
CFM

OV

15000 1316

17000 1492

19000 1668

21000 1843

23000 2019

25000 2194

27000 2370

29000 2546

31000 2721

33000 2897

35000 3072

58

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

Static Pressure
0.5
1
1.5
2
2.5
350
413
468
517
563
2.12
3.38
4.67
6.06
7.55
10.7 / 72 12.5 / 74 14.6 / 76 16.6 / 78 17.7 / 80
381
436
490
537
580
2.70
4.12
5.54
7.02
8.60
12.7 / 74 14.6 / 76 16.9 / 78 17.7 / 80 19.2 / 81
413
463
513
559
600
3.39
4.95
6.54
8.15
9.81
14.9 / 76 17.1 / 78 18.7 / 80 19.4 / 81 21 / 82
446
492
537
582
622
4.23
5.89
7.67
9.42
11.2
17.6 / 79 20 / 80
20 / 81
21 / 83
23 / 84
481
522
563
605
645
5.21
6.99
8.91
10.9
12.8
21 / 81
22 / 82
22 / 83
24 / 84
25 / 86
516
554
592
629
668
6.35
8.26
10.3
12.4
14.5
23 / 83
23 / 84
24 / 85
26 / 86
28 / 87
551
585
621
657
692
7.67
9.69
11.9
14.1
16.4
25 / 85
26 / 86
27 / 87
29 / 88
30 / 88
586
619
652
685
718
9.18
11.3
13.6
16.0
18.4
28 / 87
29 / 88
30 / 88
31 / 89
32 / 89
622
653
684
715
746
10.9
13.2
15.6
18.0
20.6
31 / 89
32 / 90
33 / 90
34 / 90
35 / 91
658
688
716
746
775
12.8
15.2
17.7
20.4
23.0
35 / 91
36 / 91
36 / 91
37 / 92
38 / 92
695
723
749
777
804
15.0
17.5
20.1
22.9
25.7
38 / 92
38 / 92
39 / 93
40 / 93
41 / 93

in Inches wg
3
3.5

621
10.3
21 / 83
639
11.6
23 / 84
659
13.1
25 / 85
682
14.7
27 / 87
704
16.6
29 / 88
727
18.6
31 / 89
751
20.9
33 / 90
775
23.3
36 / 91
804
25.8
39 / 92
832
28.6
42 / 94

660
12.0
23 / 84
677
13.4
24 / 85
694
14.9
26 / 86
716
16.7
28 / 87
738
18.7
30 / 88
761
20.9
32 / 89
784
23.3
34 / 91
807
25.9
37 / 92
831
28.7
40 / 93

4

4.5

712
15.3
25 / 86
730
17.0
27 / 87
748
18.8
29 / 88
770
20.9
31 / 89
792
23.2
33 / 90
815
25.7
35 / 91
838
28.4
38 / 92

745
17.2
27 / 87
763
19.0
28 / 88
780
21.0
30 / 88
800
23.1
32 / 89
822
25.6
34 / 91
844
28.2
37 / 92

5

794
21.1
29 / 88
811
23.2
31 / 89
829
25.4
33 / 90

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance only.

SWB-344-AF - Belt Drive
Series 300
6

(895)

(119)

5

(1197)

985⁄8

(2505)

501⁄2

787⁄8

31⁄2

(2003)

(89)

Wheel Diameter = 441⁄2 (1130)
Shaft Diameter = 27⁄16 (62)
Outlet Area = 11.39 ft2 (1.06 m 2 )
^Approximate Unit Weight = 1997 lb. (908 kg)
All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

0

0

5

0

0

10

8

0

42

Do

71

705⁄16 (1786)
75 (1905)

1

8

53 ⁄8 (1368)
7

2

49

363⁄4 (933)

4

3
2

7
62
0
57

50 (1270)

6

5
3

0
79

(1321)

8

7½

4

860

52

(1283)

10

Static Pressure (in. wg)

47 ⁄8

46 ⁄8

(1184)

Static Pressure (Pa x 100)

12
1

5

RPM
HP
Density 0.075 lb/ft3

10

yst
em
cur
ve

(970)

15

14

411⁄16

30

(821)

351⁄4

25

383⁄16

20

325⁄16

no
ts
ele
ct
to
the
lef
to
f th
is s

733⁄8

(1864)

SWB-344-AF

15
20
25
30
Volume (cfm X 1000)
20

35

40

40

45

60

Volume (m3/hr x 1000)

Maximum BHP at a given RPM = (RPM/291)3
(Maximum KW at a given RPM = (RPM/321)3)

Maximum RPM = 860
Tip Speed (ft/min.) = RPM x 11.65
(Tip Speed (m/s) = RPM x 0.0592)

Maximum Motor Frame Size = 324T

SWB-344-AF
CFM

OV

15000 1316

17000 1492

19000 1668

21000 1843

23000 2019

25000 2194

27000 2370

29000 2546

31000 2721

33000 2897

35000 3072

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

Static Pressure
0.5
1
1.5
2
2.5
376
433
484
532
2.03
3.26
4.56
5.86
10.1 / 71 11.8 / 72 13.9 / 75 15.5 / 77
411
463
511
555
597
2.56
3.94
5.38
6.85
8.32
12 / 73 13.7 / 75 15.6 / 77 16.8 / 78 18.2 / 79
447
494
539
581
621
3.20
4.74
6.29
7.93
9.57
14.3 / 76 15.8 / 77 17.2 / 78 18.6 / 79 19.9 / 81
485
528
570
609
646
3.97
5.64
7.34
9.09
10.9
16.9 / 78 18 / 79 19.2 / 80 21 / 81
22 / 82
524
562
601
639
674
4.87
6.66
8.54
10.4
12.3
19.5 / 81 20 / 81
22 / 82
23 / 83
24 / 84
563
598
634
670
703
5.92
7.83
9.87
11.9
13.9
22 / 83
23 / 83
24 / 84
26 / 85
26 / 85
602
634
668
701
734
7.12
9.16
11.3
13.5
15.7
25 / 85
26 / 85
27 / 86
27 / 86
27 / 86
642
672
703
734
765
8.50
10.66
12.9
15.3
17.6
28 / 87
29 / 88
29 / 87
29 / 87
29 / 87
682
711
739
769
797
10.1
12.4
14.7
17.2
19.8
31 / 89
31 / 89
31 / 89
31 / 89
30 / 89
722
750
775
803
831
11.8
14.2
16.7
19.4
22.1
33 / 90
33 / 90
33 / 90
33 / 90
33 / 90
762
789
813
839
13.8
16.3
19.0
21.7
35 / 92
35 / 92
35 / 92
35 / 92

in Inches wg
3
3.5

659
11.2
21 / 82
682
12.7
23 / 83
707
14.4
24 / 84
736
16.1
26 / 85
765
17.9
27 / 87
795
20.0
29 / 88
826
22.3
31 / 89
858
24.8
33 / 90

694
12.9
22 / 82
717
14.5
23 / 83
740
16.3
25 / 85
766
18.2
26 / 86
795
20.2
28 / 87
823
22.4
29 / 88
854
24.8
31 / 90

4

4.5

5

750
16.4
24 / 84
773
18.3
25 / 85
797
20.4
27 / 86
823
22.6
28 / 88
851
24.9
30 / 89

804
20.3
26 / 86
827
22.5
27 / 87
851
25.0
29 / 88

833
22.3
26 / 86
856
24.7
28 / 88

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance and LwiA values only.

59

SWB-349 - Belt Drive
Series 300

SWB-349

805⁄16

7

Wheel Diameter = 49 (1245)
Shaft Diameter = 27⁄16 (62)
Outlet Area = 13.8 ft2 (1.28 m 2 )
^Approximate Unit Weight = 2433 lb. (1106 kg)

curv
e
this
sys
tem
to
the
left
of

2

8

D

0

0

10

0

20

20
30
40
Volume (cfm X 1000)
40
60
Volume (m3/hr x 1000)

50

100

Maximum BHP at a given RPM = (RPM/231)3
(Maximum KW at a given RPM = (RPM/255)3)

SWB-349

Maximum Motor Frame Size = 324T

OV

20000 1449

22500 1630

25000 1811

27500 1992

30000 2173

32500 2355

35000 2536

37500 2717

40000 2898

42500 3079

45000 3260

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

Static Pressure
0.5
1
1.5
2
2.5
339
391
440
483
523
3.08
4.76
6.44
8.20
10.1
13 / 74 14.7 / 76 16.7 / 78 18.8 / 80 20 / 81
368
415
461
503
541
3.91
5.77
7.65
9.57
11.5
15.1 / 77 17.1 / 78 19.1 / 80 21 / 82
21 / 83
399
442
483
524
561
4.92
6.92
9.03
11.1
13.3
17.6 / 79 19.7 / 80 22 / 82
23 / 83
23 / 84
431
470
508
546
582
6.11
8.26
10.6
12.9
15.2
20 / 81
23 / 82
24 / 84
24 / 84
25 / 86
464
499
534
568
604
7.51
9.80
12.3
14.8
17.3
24 / 83
26 / 84
26 / 85
26 / 86
28 / 87
497
529
562
594
626
9.13
11.6
14.2
16.9
19.7
28 / 86
28 / 86
28 / 87
29 / 87
31 / 88
530
560
591
621
650
11.0
13.6
16.3
19.2
22.2
29 / 87
29 / 88
30 / 88
32 / 89
34 / 90
564
592
620
648
676
13.1
15.9
18.8
21.8
24.9
32 / 89
33 / 90
34 / 90
35 / 91
37 / 91
598
625
650
677
703
15.5
18.5
21.5
24.7
27.9
35 / 91
36 / 91
38 / 92
39 / 92
40 / 93
632
657
681
707
731
18.2
21.3
24.5
27.8
31.2
39 / 93
41 / 93
42 / 93
42 / 94
43 / 94
666
690
713
736
760
21.2
24.5
27.9
31.3
34.9
44 / 94
44 / 94
45 / 95
46 / 95
46 / 95

60

80

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

CFM

60

45

8

0

0

9

7313⁄16 (1875)
781⁄2 (1994)

1

57
49

71

2

363⁄4 (933)

2

4

7

541⁄2 (1384)
583⁄8 (1483)

3

5

(1448)

6

62

(89)

67

57

8

4

76

31⁄2 (2188)

10

5

o

(1397)

861⁄8

(2751)

Static Pressure (in. wg)

55

1085⁄16

12

7½

(1313)

10

51 ⁄16

51 ⁄16

(1303)

14

no
ts
ele
ct

(119)

11

5

RPM
HP
Density 0.075 lb/ft3

6

Static Pressure (Pa x 100)

(984)

4 ⁄16

40

(970)

38 ⁄4

16

11

30

(894)

3

25

38 ⁄16
3

20

353⁄16

15

(2040)

Maximum RPM = 769
Tip Speed (ft/min.) = RPM x 12.83
(Tip Speed (m/s) = RPM x 0.0652)

in Inches
3
560
12.1
21 / 83
577
13.7
23 / 84
595
15.5
25 / 85
616
17.5
27 / 87
637
19.8
30 / 88
658
22.4
33 / 90
680
25.1
35 / 91
703
28.1
38 / 92
730
31.3
41 / 93
756
34.8
44 / 94

wg
3.5
595
14.1
23 / 84
611
15.9
24 / 85
628
17.7
26 / 86
647
19.9
29 / 88
668
22.4
31 / 89
689
25.1
34 / 90
710
28.0
36 / 91
732
31.3
39 / 92
754
34.7
42 / 93

4

4.5

5

643
18.1
26 / 86
660
20.2
28 / 87
676
22.4
30 / 89
696
25.0
32 / 90
717
27.9
35 / 91
738
31.0
37 / 92
760
34.4
40 / 93

690
22.6
29 / 88
706
25.0
31 / 89
724
27.7
33 / 90
744
30.7
36 / 91
765
34.0
38 / 92

718
25.2
31 / 89
734
27.7
32 / 90
751
30.4
34 / 91

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance only.

SWB-349-AF - Belt Drive
Series 300

SWB-349-AF

805⁄16

6

(2751)

55

861⁄8

31⁄2

57

(1397)

(2188)

(89)

6

20

5
72

0

4

2

10

42

3

All dimensions in inches (millimeters)
For additional discharge positions see page 13
^Weight shown includes largest cataloged Open Drip Proof motor and weatherhood

0
0

n

61

Wheel Diameter = 49 (1245)
Shaft Diameter = 27⁄16 (62)
Outlet Area = 13.8 ft2 (1.28 m 2 )
^Approximate Unit Weight = 2298 lb. (1045 kg)

Do

5

0

1

4

7313⁄16 (1875)
781⁄2 (1994)

2

48

2

363⁄4 (933)

5

67

4

3

7½

53

541⁄2 (1384)
583⁄8 (1483)

8

4

780

(1448)

10

yst
em
cur
ve

(1313)

10

is s

(1303)

1085⁄16

5

12

the
lef
to
f th

5111⁄16

RPM
HP
Density 0.075 lb/ft3

o

(119)

ot
se
lec
tt

(984)

Static Pressure (in. wg)

51 ⁄16
5

(970)

4 ⁄16

20

15

14

11

Static Pressure (Pa x 100)

(894)

383⁄4

40

383⁄16

30

353⁄16

25

(2040)

20
30
Volume (cfm X 1000)
40

40

50

60

80

Volume (m3/hr x 1000)

Maximum BHP at a given RPM = (RPM/248)3
(Maximum KW at a given RPM = (RPM/273)3)

Maximum RPM = 780
Tip Speed (ft/min.) = RPM x 12.83
(Tip Speed (m/s) = RPM x 0.0652)

Maximum Motor Frame Size = 324T

SWB-349-AF
CFM

OV

20000 1449

22000 1594

24000 1739

26000 1884

28000 2028

30000 2173

32000 2318

34000 2463

36000 2608

38000 2753

40000 2898

RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA
RPM
BHP
Sones / LwiA

Static Pressure
0.5
1
1.5
2
2.5
365
413
457
499
537
2.93
4.56
6.27
7.99
9.74
12.4 / 73 13.7 / 75 15.5 / 77 17.5 / 79 18.9 / 80
391
437
478
517
555
3.54
5.31
7.13
9.06
10.9
13.7 / 75 15.2 / 76 17.1 / 78 18.8 / 80 20 / 81
419
461
501
537
572
4.24
6.18
8.11
10.2
12.3
15.6 / 77 17 / 78 18.9 / 80 20 / 81
21 / 82
448
486
524
559
592
5.04
7.10
9.20
11.4
13.6
17.7 / 79 19.1 / 80 20 / 81
22 / 82
23 / 83
477
512
547
581
613
5.96
8.14
10.4
12.7
15.1
20 / 81
21 / 82
22 / 82
24 / 83
25 / 84
506
539
572
604
635
7.00
9.30
11.8
14.2
16.6
23 / 83
23 / 83
24 / 84
26 / 85
27 / 86
536
565
597
628
658
8.17
10.6
13.2
15.8
18.3
25 / 85
26 / 85
27 / 86
28 / 86
30 / 87
566
594
623
652
681
9.48
12.0
14.7
17.5
20.2
27 / 86
28 / 87
29 / 87
31 / 88
32 / 88
596
623
650
678
705
10.9
13.6
16.4
19.3
22.3
30 / 88
31 / 88
32 / 89
33 / 89
33 / 89
626
652
676
703
729
12.5
15.4
18.3
21.3
24.5
33 / 89
34 / 90
35 / 90
35 / 90
34 / 90
656
681
704
730
754
14.3
17.3
20.3
23.5
26.7
36 / 91
37 / 91
36 / 91
36 / 91
36 / 91

in Inches wg
3
3.5

589
12.9
21 / 82
607
14.3
23 / 83
624
15.9
24 / 84
644
17.5
26 / 85
665
19.2
29 / 87
686
21.0
30 / 87
709
23.0
32 / 88
732
25.2
33 / 89
755
27.5
34 / 90
779
30.0
36 / 91

639
16.4
24 / 84
656
18.1
26 / 85
673
19.9
28 / 86
693
21.8
29 / 87
714
23.8
30 / 88
735
25.9
32 / 89
757
28.1
33 / 89

4

4.5

5

686
20.4
27 / 85
703
22.3
28 / 86
721
24.4
29 / 87
740
26.6
31 / 88
761
28.8
32 / 89

714
22.7
27 / 86
731
24.7
28 / 87
748
27.0
30 / 87
766
29.3
31 / 88

757
27.2
29 / 87
775
29.6
30 / 88

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the
effects of appurtenances (accessories). The sound power level ratings shown are in decibels, referred to 10-12 watts, calculated per AMCA Standard 301. Values shown
are for inlet LwiA sound power levels and inlet hemispherical sone levels for installation type B: Free inlet, Ducted outlet, calculated per AMCA Standard 301. The AMCA
Certified Ratings Seal applies to air performance and LwiA values only.

61

Pageand
Header
SFD
SFB Specifications

Model SFD Direct Drive
Utility Fans
Supply, exhaust or return
air fans shall be of the
direct drive utility fan type,
in AMCA Arrangement
4 with a single-width,
single-inlet housing,
in clockwise or
counterclockwise
rotation as specified.
The housing shall be constructed of heavy-gauge
galvanized steel with lock formed seams permitting
no air leakage. The housing shall be easily rotated
in the field to any of the eight standard discharge
positions. Housing supports shall be constructed of
heavy-gauge galvanized steel to minimize vibration
and rigidly support the motor and wheel.
The fan wheel shall be of the forward-curved type
and shall be constructed of heavy-gauge aluminum.
Wheels shall be statically and dynamically
balanced. The wheel cone and fan inlet cone shall
be carefully matched for maximum performance
and operating efficiency. Motors shall be heavyduty ball bearing type matched to the fan load
and furnished at the specified voltage, phase and
enclosure.
All fans shall bear the AMCA Air Performance seal.
Utility fans shall be model SFD (with forwardcurved wheels) as manufactured by Greenheck Fan
Corporation of Schofield, Wisconsin, USA.

Model SFB Belt Drive Utility Fans
Supply, exhaust and return air fans shall be of the
belt driven utility fan type in AMCA Arrangement
10 with a single-width, single-inlet housing, in
clockwise or counterclockwise rotation as specified.
The housing shall be constructed of heavy-gauge
steel with airtight lock formed seams. The housing
shall be easily rotated in the field to any of the eight
standard discharge positions. Housing and bearing
supports shall be constructed of welded steel
members to prevent vibration and to rigidly support
the shaft and bearings.
Model SFB fan wheels shall be of the forwardcurved type, constructed of heavy-gauge steel with
uniform stamped steel blades.
Wheels shall be statically and dynamically
balanced. The wheel cone and fan inlet cone shall
be carefully matched for maximum performance
and operating efficiency.
Motors shall be heavy-duty, ball bearing type,
matched to the fan load and furnished at the
specified voltage, phase and enclosure. The fan
shaft shall be ground and polished solid steel
mounted in heavy-duty, sealed, pillow block ball
bearings. Bearings shall be selected for a minimum
L10 life in excess of 100,000 hours (L50 average of
500,000 hours) at maximum cataloged operating
speed. Drives shall be sized for a minimum of
150% of driven horsepower. Pulleys shall be of the
fully machined cast iron type, keyed and securely
attached to the fan and motor shafts. The motor
pulley shall be adjustable for final system balancing.
All fans shall bear the
AMCA Air Performance
seal.
Utility fans shall be model
SFB (with forward-curved
wheels) as manufactured
by Greenheck Fan
Corporation of Schofield,
Wisconsin, USA.

62

SWBSWB Specifications
Series
Model SWB Series 100, 200 and 300
Belt Drive Utility Fans
Supply, exhaust and return air fans shall be of the
belt-driven utility fan type in AMCA Arrangement 10
with a single-width, single-inlet housing, in clockwise
or counterclockwise rotation as specified.
The housing shall be constructed of heavy gauge
galvanized steel on Series 100 models and includes
an airtight lock seam. Series 200 and 300 models
shall have a heavy gauge painted steel housing or
optional aluminum housing on Series 200. Housing
shall have an airtight lock seam or optional welded
seam. The housing shall be field rotatable to any
of the eight standard discharge positions. To
prevent vibration and to rigidly support the shaft
and bearings, Series 100 and 200 drive frame and
bearing supports shall be constructed of welded
steel members coated with Permatector™ and Series
300 shall be constructed of reinforced heavy-gauge
galvanized steel.

Series 100

The fan wheel shall be of the non-overloading
backward-inclined, centrifugal type. The fan wheel
shall be constructed of heavy-gauge aluminum on
Series 200 fans sizes 206-210 and all Series 100
fans. Series 200 and 300 wheels shall be constructed
of heavy-gauge steel with optional aluminum on
Series 200 fans size 212 and larger and all Series 300
sizes. Series 300-AF fans shall have an aluminum
backward-inclined airfoil wheel.
Wheels shall be statically and dynamically balanced.
The wheel cone and fan inlet cone shall be carefully
matched for maximum performance and operating
efficiency.

Series 200

Motors shall be heavy-duty ball bearing type matched
to the fan load and furnished at the specified voltage,
phase and enclosure. The fan shaft shall be ground
and polished solid steel mounted in heavy-duty pillow
block ball bearings. Bearings shall be selected for
a minimum L10 life in excess of 100,000 hours (L50
average life of 500,000 hours) at maximum cataloged
operating speed. Drives shall be sized for a minimum
of 150% of driven horsepower. Pulleys shall be of
the fully machined cast iron type, keyed and securely
attached to the fan and motor shafts. The motor
pulley shall be adjustable for final system balancing
for applications with 10 hp or less motors.
All fans shall bear the AMCA Air Performance seal.
Utility fans shall be model SWB (with backwardinclined wheels) as manufactured by Greenheck Fan
Corporation in Schofield, Wisconsin, USA.

Series 300

63

Other Centrifugal Fan Products

Models BISW/AFSW (single-width) and BIDW/AFDW (double-width) are fans with
backward inclined or airfoil wheels.
Greenheck's airfoil and backward inclined centrifugal fans are designed to provide
efficient and reliable operation for commercial and industrial applications. Our
products are manufactured with state-of-the-art laser, forming, spinning and
welding equipment and endure our quality control testing to ensure trouble-free
operation. Greenheck centrifugal models include industry leading design features
to ensure your ventilation equipment has the latest technologies available.
Available with Greenheck centrifugal products:
•	
•	
•	
•	
•	

All welded or PermalockTM housing construction
Concentric mount bearings with the industry’s highest cataloged bearing life
Corrosion-resistant, electrostatically applied and baked powder coatings
Both belt and direct drive configurations
Three plane, six channel vibration analysis

Building Value in Air
Greenheck delivers value
to mechanical engineers by
helping them solve virtually
any air quality challenges
their clients face with a
comprehensive selection of

top quality, innovative airrelated equipment. We offer
extra value to contractors
by providing easy-to-install,
competitively priced, reliable
products that arrive on time.

And building owners and
occupants value the energy
efficiency, low maintenance
and quiet dependable operation
they experience long after the
construction project ends.

Our Warranty
Greenheck warrants this equipment to be free from defects in material and workmanship for a period
of one year from the shipment date. Any units or parts which prove defective during the warranty
period will be replaced at our option when returned to our factory, transportation prepaid. Motors are
warranted by the motor manufacturer for a period of one year. Should motors furnished by Greenheck
prove defective during this period, they should be returned to the nearest authorized motor service
station. Greenheck will not be responsible for any removal or installation costs.
As a result of our commitment to continuous improvement, Greenheck reserves the right to change

Prepared to Support
Green Building Efforts

specifications without notice.

P.O. Box 410 • Schofield, WI 54476-0410 • Phone (715) 359-6171 • greenheck.com

00.F&V.1020 R2 11-2011 R
Copyright © 2011 Greenheck Fan Corp.



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History When                    : 2009:07:01 09:51:22-05:00, 2009:07:01 09:51:23-05:00, 2009:07:01 10:27:09-05:00, 2009:07:01 10:30:42-05:00, 2009:07:01 10:34:18-05:00, 2009:07:01 10:34:20-05:00, 2009:07:01 11:28:33-05:00, 2009:07:01 11:34:50-05:00, 2009:07:07 16:54:52-05:00, 2009:07:07 16:59:56-05:00, 2009:07:07 16:59:57-05:00, 2009:07:13 22:34:42-05:00, 2009:07:13 22:39:05-05:00, 2009:07:13 23:39:44-05:00, 2009:07:14 00:05:22-05:00, 2009:07:17 17:46:58-05:00, 2009:07:17 17:48:50-05:00, 2009:08:12 17:00:08-05:00, 2009:08:12 17:00:16-05:00, 2009:08:13 08:11:57-05:00, 2009:08:13 08:11:57-05:00, 2009:08:13 08:17:17-05:00, 2009:08:13 08:17:19-05:00, 2011:01:13 14:44:41-06:00, 2011:01:13 14:44:41-06:00, 2011:01:13 14:45:48-06:00, 2011:01:13 15:05:19-06:00, 2011:01:13 15:52:09-06:00, 2011:01:13 16:02:59-06:00, 2011:01:14 12:05:23-06:00, 2011:01:14 14:12:33-06:00, 2011:01:14 14:14:49-06:00, 2011:01:14 14:26:21-06:00, 2011:01:27 16:55:36-06:00, 2011:01:27 17:00:18-06:00, 2011:01:27 17:00:55-06:00, 2011:01:28 08:43:23-06:00, 2011:01:28 09:08:34-06:00, 2011:01:28 16:26:35-06:00, 2011:02:02 16:59:13-06:00, 2011:02:03 11:49:52-06:00, 2011:02:03 11:53-06:00, 2011:02:03 16:56:33-06:00, 2011:02:03 16:57:09-06:00, 2011:02:04 11:22:27-06:00, 2011:02:04 13:25:38-06:00, 2011:02:04 13:41:53-06:00, 2011:02:04 15:37:17-06:00, 2011:02:04 15:50:12-06:00, 2011:02:04 16:02:33-06:00, 2011:02:07 16:44:02-06:00, 2011:02:08 14:37:28-06:00, 2011:02:08 15:06:09-06:00, 2011:02:08 15:31:16-06:00, 2011:02:08 15:33:48-06:00, 2011:02:10 10:05:18-06:00, 2011:02:10 13:32:55-06:00, 2011:02:10 13:51:41-06:00, 2011:02:10 15:29:26-06:00, 2011:02:10 16:04:55-06:00, 2011:02:11 14:11:19-06:00, 2011:02:11 15:38:51-06:00, 2011:02:11 16:50-06:00, 2011:02:14 16:45:19-06:00, 2011:02:15 09:25:52-06:00, 2011:02:15 09:43:53-06:00, 2011:02:15 09:50:25-06:00, 2011:02:15 09:53:23-06:00, 2011:02:15 17:02:42-06:00, 2011:02:16 10:36:31-06:00, 2011:02:16 11:04-06:00, 2011:02:16 11:16:21-06:00, 2011:02:16 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