Emerson Fisher 8532 Instruction Manual

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Instruction Manual
Form 5288
November 2007

8532 Valve

Type 8532 High Performance Butterfly Valve
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Valve Orientation . . . . . . . . . . . . . . . . . . . . . . . . . 5
Before Installing the Valve . . . . . . . . . . . . . . . . . . 5
Adjusting the Actuator Travel Stops
or Travel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installing the Valve . . . . . . . . . . . . . . . . . . . . . . . . 7
Packing Adjustment and Shaft Bonding . . . . . 8
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Removing and Replacing the Actuator . . . . . . 10
Packing Maintenance . . . . . . . . . . . . . . . . . . . . . 10
Removing the Valve . . . . . . . . . . . . . . . . . . . . . . 12
Seal Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 12
PTFE Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
NOVEX, Phoenix III and/or
Phoenix III Fire-Tested Seals . . . . . . . . . . 14
Anti-Blowout Design, Packing, Valve Shaft,
Disc, and Bearing Maintenance . . . . . . . . . . 14
Installing the Two-Piece Shaft . . . . . . . . . . . . 16
Gasket Retainer . . . . . . . . . . . . . . . . . . . . . . . . . 17
Parts Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Introduction
Scope of Manual
This instruction manual includes installation,
maintenance, and parts ordering information for
NPS 14 through 24, Type 8532 High-Performance
Butterfly Valves (see figure 1). Refer to separate
instruction manuals for information covering the
actuator and accessories.

Figure 1. Type 8532 Valve with Type 1061 Actuator and
DVC6020 Digital Valve Controller

Unless otherwise noted, all NACE references are to
NACE MR0175-2002.
Note
Neither Emerson, Emerson Process
Management, nor any of their affiliated
entities assumes responsibility for the
selection, use and maintenance of any
product. Responsibility for the
selection, use, and maintenance of any
product remains with the purchaser
and end-user.

Description
The valve is available in either a flangeless wafer
body or a single-flange (lugged) body design, with a
variety of seals and internal components. The
pressure-assisted seal provides tight shutoff. The
upper (splined) shaft combines with a variety of
pneumatic piston or spring-and-diaphragm
actuators. Maximum inlet pressure/temperature
ratings are consistent with CL150 and CL300.

D101550X012

Do not install, operate, or maintain a Type 8532
valve without first D being fully trained and qualified
in valve, actuator, and accessory installation,
operation, and maintenance, and D carefully reading
and understanding the contents of this manual. If
you have any questions about these instructions,
contact your Emerson Process Managementt sales
office before proceeding.

W9138-1

www.Fisher.com

Instruction Manual
Form 5288
November 2007

8532 Valve
Table 1. Specifications

Valve Size and End Connection Styles
J NPS 14, J 16, J 18, J 20, or J 24 valves, in
J wafer-style (flangeless) or J single-flange
(lugged) with raised-face flanges, CL150 or
CL300
Maximum Pressure

Drop(1)

Consistent with CL150 and CL300
pressure/temperature ratings per ASME B16.34
unless further restricted by values given in
figure 2

Flow Coefficient Ratio(2)
100 to 1
Noise Levels
See Catalog 12 for sound/pressure level
prediction
Valve In-Line Position
Shaft horizontal. See figure 4
Valve/Actuator Action

Shutoff Classification Per ANSI/FCI 70-2 and IEC
60534-4
Standard Soft Seal: Bidirectional shutoff Class VI
(bubble-tight)
NOVEX Seal: Unidirectional shutoff Class V
(reverse flow direction only)
Phoenix III Seal: Bidirectional shutoff Class VI
(bubble-tight)
Phoenix III Seal for Fire-Tested Applications:
Unidirectional shutoff Class VI (reverse flow
direction only) (bubble-tight). Fire Tested per API
607 Rev. 4. For cryogenic seal applications,
consult your Emerson Process Management
sales office
Available Seal Configurations
Standard Constructions
See figure 3 and table 2

With diaphragm or piston rotary actuator,
field-reversible between:
J push-down-to-close (extending actuator rod
closes valve) and
J push-down-to-open (extending actuator rod
opens valve)
Valve Body Classification
Face-to-face dimensions are in compliance with
MSS SP68 and API 609 standards. Valve bodies
are designed for installation between ASME
B16.5 CL150 and CL300 raised-face flanges
Disc Rotation
Clockwise to close (when viewing from the drive
shaft end) through 90 degrees rotation
Shaft Diameter and Approximate Weight

Standard Construction Materials
See table 2
Flow Characteristic
Modified equal percentage
Flow Coefficients
See Catalog 12 and bulletin 51.6:8532

See tables 3 and 4
ENVIRO-SEALr Packing
This optional packing system provides improved
sealing, guiding, and transmission of loading force
to control liquid and gas emissions. Contact your
Emerson Process Management sales office for
availability of ENVIRO-SEAL packing

1. The pressure/temperature limits in this manual, and any applicable code or standard limitation should not be exceeded.
2. Ratio of maximum flow coefficient to minimum usable flow coefficient may also be called rangeability.

Instruction Manual
Form 5288
November 2007

8532 Valve

S21800

B23352/IL

NOTE:
1
BECAUSE OF POTENTIAL EROSIVE EFFECTS AND
PREMATURE SEAL FAILURE THAT CAN OCCUR, THROTTLING
PTFE SEALS AT DIFFERENTIAL PRESSURES GREATER THAN
20.7 BAR (300 PSID) AT DISC ANGLES LESS THAN 20_ OPEN IS
NOT RECOMMENDED.

TEMPERATURE LIMITATIONS DO NOT ACCOUNT FOR THE
2
ADDITIONAL LIMITATIONS IMPOSED BY THE BACKUP RING
USED WITH THIS SEAL. TO DETERMINE THE EFFECTIVE
TEMPERATURE LIMITATION OF THE APPROPRIATE SEAL/
BACKUP RING COMBINATION, REFER TO TABLE 2.

Figure 2. Maximum Pressure/Temperature Ratings

Instruction Manual
Form 5288
November 2007

8532 Valve
Table 2. Material Temperature Ratings

TEMPERATURE RANGE

COMPONENT AND MATERIAL OF CONSTRUCTION(1)

Body
Carbon Steel (WCC or SA 51670)(5)
CF8M (316 SST) CL150
CF8M FMS 20B16 (0.04% min carbon) CL300
Disc
CF8M (316 SST) w/ or w/o Hard coating
CF8M with CoCr-A edge (Alloy 6)
Shaft
S20910
S17400 (17-4 PH 1025)
S17400 (17-4 PH H1150M)
Bearings
PEEK(2) (standard)
S31600(3)
Packing
PTFE Packing and PTFE ENVIRO-SEAL Packing
Graphite packing
Graphite packing with oxidizing media

Seal Ring and
Backup Ring

Seal Ring

PTFE Seal Ring
NBR (Nitrile) Backup O-Ring
CR (chloroprene) Backup O-Ring
EPR Backup O-Ring
Fluorocarbon Backup O-Ring
PTFE Backup O-Ring
UHMWPE(4) Seal Ring (CL150 Only)
NBR Backup O-Ring
CR Backup O-Ring
EPR Backup O-Ring
Fluorocarbon Backup O-Ring
PTFE Backup O-Ring
Phoenix III and/or Fire Tested Construction
S31600 and PTFE Seal Ring with NBR Backup O-Ring
CR Backup O-Ring
EPR Backup O-Ring
Fluorocarbon Backup O-Ring
NOVEX S31600 Seal(3) Ring (CL150)
NOVEX S31600 Seal(3) Ring (CL300)
NOVEX S21800 Seal Ring (CL300)
Cryogenic Seal Ring

29 to 427
198 to 538
198 to 816

20 to 800
325 to 1000
325 to 1500

198 to 538
198 to 538

325 to 1000
325 to 1000

198 to 538
73 to 454
196 to 454

325 to 1000
100 to 850
320 to 850

73 to 260
198 to 816

100 to 500
325 to 1500

54 to 232
198 to 916
198 to 538

65 to 450
325 to 1500
325 to 1000

29 to 93
43 to 149
54 to 182
29 to 204
73 to 204

20 to 200
45 to 300
65 to 360
20 to 400
100 to 400

29 to 93
43 to 93
54 to 93
29 to 93
73 to 93

20 to 200
45 to 200
65 to 200
20 to 200
100 to 200

40 to 149
40 to 300
54 to 149
65 to 300
62 to 204
80 to 400
40 to 232
40 to 450
29 to 538
20 to 1000
29 to 816
20 to 1500
29 to 816
20 to 1500
Contact your Emerson Process Management sales office

1. NACE trim constructions are available; consult your Emerson Process Management sales office.
2. PEEK stands for poly-ether-ether-ketone.
3. For a complete material description, contact your Emerson Process Management sales office.
4. UHMWPE stands for ultra high molecular weight polyethylene.
5. Cast or wrought /plate grades used interchangeably, depending upon availability unless specified by customer.

Installation
The valve is normally shipped as part of a control
valve assembly, with the power actuator mounted on
the valve. If the valve or actuator has been
purchased separately, or if the actuator has been
removed for maintenance, mount the actuator on the
valve, and adjust actuator travel before installing the
valve into the line. This is necessary due to the
measurements that must be made during the
actuator calibration adjustment process. Refer to the
Actuator Mounting section of this manual and to the
separate actuator instruction manual for mounting
and adjusting instructions before proceeding.

WARNING
To avoid personal injury or property
damage resulting from the sudden
release of pressure:
D Always wear protective gloves,
clothing, and eyewear when
performing any maintenance
operation.
D Do not install the valve assembly
where service conditions could exceed
the limits given in this manual or on
the nameplates.

Instruction Manual
Form 5288
November 2007

8532 Valve

D Use pressure-relieving devices as
required by government or accepted
industry codes and good engineering
practices to protect from
over-pressurizing the system.
D Check with your process or safety
engineer for any other hazards that
may be present from exposure to
process media.
D If installing into an existing
application, also refer to the WARNING
at the beginning of the Maintenance
section in this instruction manual.

CAUTION
When ordered, the valve configuration
and construction materials were
selected to meet particular pressure,
temperature, pressure drop, and
controlled fluid conditions.
Responsibility for the safety of
process media and compatibility of
valve materials with process media
rests solely with the purchaser and
end-user. Since some body/trim
material combinations are limited in
their pressure drop and temperature
ranges, do not apply any other
conditions to the valve without first
contacting your Emerson Process
Management sales office.
1. Isolate the control valve from the line pressure,
release pressure from both sides of the valve body,
and drain the process media from both sides of the
valve. If using a power actuator, shut off all pressure
lines to the power actuator, release pressure from
the actuator, and disconnect the pressure lines from
the actuator. Use lock-out procedures to be sure that
the above measures stay in effect while you are
working on the equipment.
See the WARNING at the beginning of the
Maintenance section for more information before
removing the valve from the pipeline.
2. Install a three-valve bypass around the control
valve assembly if continuous operation is necessary
during inspection and maintenance of the valve.
3. Inspect the valve to be certain that it is free of
foreign material.

4. Be certain that adjacent pipelines are free of any
foreign material, such as pipe scale or welding slag,
that could damage the valve sealing surfaces.

CAUTION
Damage to the disc will occur if any
pipe flanges or piping connected to
the valve interfere with the disc
rotation path. If the piping flange has a
smaller inner diameter than specified
for schedule 80 piping, measure
carefully to be certain the disc rotates
without interference before placing the
valve into operation. Minimum inside
diameters for flanges or pipe mating
with valves are shown in tables 3
and 4.

Valve Orientation
The valve can be installed in any orientation,
however it is recommended that the valve drive shaft
be horizontal and the actuator vertical as shown in
figure 4.
Install the valve with the high-pressure shutoff side
in the direction noted by the flow arrow for proper
installation, and see figure 4 for more information.

Before Installing the Valve
WARNING
The edges of a rotating valve disc
(key 2, figure 9) close with a shearing,
cutting motion. To avoid personal
injury, keep hands, tools, and other
objects away from the disc while
stroking the valve.
If the Type 8532 valve is equipped with
a fail-open actuator, cycle the valve
into the fully closed position. Ensure
the valve cannot open during
installation by using travel stops, a
manual actuator, a constant supply
pressure to the pneumatic actuator, or
other steps as necessary.

Instruction Manual
Form 5288
November 2007

8532 Valve
Table 3. Valve Body Data, CL150
VALVE SIZE, NPS

SHAFT DIA. AT YOKE
BEARING

FACE-TO-FACE
DIMENSION(1)

MINIMUM I.D.(2)

APPROXIMATE WEIGHT, KILOGRAMS
Wafer

Single-Flange

30.2

92.1

331.2

71.7

94.8

31.75

101.6

375.2

93.9

137.9

38.1

114.3

418.8

139.3

178.3

44.45

127.0

464.1

166.9

223.6

57.15

154.0

580.9

255.4

350.6

VALVE SIZE, NPS

SHAFT DIA. AT YOKE
BEARING

FACE-TO-FACE
DIMENSION(1)

MINIMUM I.D.(2)

Wafer

Single-Flange

1-3/16

3.625

13.04

158

209

1-1/4

14.77

207

304

1/2

4.5

16.49

307

393

1-3/4

18.27

368

493

2-1/4

6.0625

22.87

563

773

Inches

APPROXIMATE WEIGHT, POUNDS

1. Face-to-face dimensions are in compliance with MSS SP68 and API 609 specifications.
2. Minimum I.D. is the minimum pipe or flange I.D. required for disc swing clearance.

Table 4. Valve Body Data, Wafer-Style Valves, CL300
VALVE SIZE, NPS

SHAFT DIA. AT YOKE
BEARING

FACE-TO-FACE
DIMENSION(1)

Wafer

Single-Flange

44.45

117.5

304.3

125.2

231.3

44.45

133.4

346.2

189.2

300.7

57.15

149.2

389.4

237.7

411.4

69.9

155.6

442.0

370.6

551.1

69.9

181.0

523.2

477.2

828.7

VALVE SIZE, NPS

SHAFT DIA. AT YOKE
BEARING

FACE-TO-FACE
DIMENSION(1)

MINIMUM I.D.(2)

MINIMUM

I.D.(2)

Inches

APPROXIMATE WEIGHT,
KILOGRAMS

APPROXIMATE WEIGHT,
POUNDS
Wafer

Single-Flange

1-3/4

4.625

11.98

276

510

1-3/4

5.25

13.63

417

663

2-1/4

5.875

15.32

524

907

2-3/4

6.125

17.40

817

1215

2-3/4

7.125

20.59

1052

1827

1. Face-to-face dimensions are in compliance with MSS SP68 and API 609 specifications.
2. Minimum I.D. is the minimum pipe or flange I.D. required for disc swing clearance.

CAUTION
When using an actuator, the actuator
travel stop (or actuator travel, for
actuators without adjustable stops)
must be adjusted so the disc stop in
the valve does not absorb the output
of the actuator. Failure to limit the
actuator travel as described in the
Adjusting the Actuator Travel Stops or
Travel steps can result in damage to
the valve, shaft(s), or other valve
components.
A Type 8532 valve is normally shipped as part of an
assembly with an actuator and other accessories

such as a valve positioner. If the valve and actuator
have been purchased separately or if the actuator
has been removed for maintenance, properly mount
the actuator and adjust valve/actuator travel and all
travel stops before inserting the valve into the line.

CAUTION
Damage to the disc will occur if any
pipe flanges or piping connected to
the valve interfere with the disc
rotation path. Be certain to align the
valve accurately to avoid contact
between the disc (key 2) and the
flanges.

Instruction Manual
Form 5288
November 2007

8532 Valve

GRAPHITE
GASKET

B23133/IL

Figure 3. Available Seal Configurations

Adjusting the Actuator Travel Stops or
Travel
Key number locations are shown in figure 9, unless
otherwise noted.
1. Refer to the actuator instruction manual to locate
the actuator travel stop that controls the closed
position of the valve disc (key 2). When adjusting the
travel stop or travel, make sure that the disc is from
0 to 0.76 mm (0 to 0.030 inch) away from the
internal stop in the valve body (see figure 5). This
adjustment is necessary to be certain that the
actuator output torque is fully absorbed by the
actuator travel stop or by the actuator. The internal
travel stop in the valve body should not absorb any
of the actuator torque.
2. Before installing the valve/actuator assembly in
the process line, cycle the valve several times to be
sure the valve disc returns to the proper position.

Installing the Valve
The maximum allowable inlet pressures for Type

8532 valves are consistent with the applicable
ASME pressure/temperature ratings except where
limited by the material capabilities as shown in
table 2 or figure 3.
Refer to table 5 for the quantity and size of line
bolting required to install the valve in the pipeline.

CAUTION
To avoid damage to the valve disc
during installation, the valve must be
in the fully closed position. If the Type
8532 valve is equipped with a fail-open
actuator, remove the actuator before
installing the valve/actuator assembly
or cycle the valve into the fully closed
position. Then, take appropriate steps
to be sure that the actuator does not
cause the valve to open during
installation.

Instruction Manual
Form 5288
November 2007

8532 Valve
Table 5. Hex Head Screw, Stud Bolt and Cap Screw Data (1)
VALVE
SIZE, NPS

NO. OF CAP SCREWS

NO. OF STUD BOLTS

CL150

CL300

SIZE-DIA. INCH & THREAD

CL300

CL150

CL300

LENGTH OF CAP
SCREWS, INCH
CL150

LENGTH OF STUD BOLTS,
INCH

CL300

CL150

CL300

Single-Flange Style (2)
14

---

1-8

1-1/8-8

2.75

3.5

---

1-8

1-1/4-8

3.75

---

1-1/8-8

1-1/4-8

3.25

---

1-1/8-8

1-1/4-8

3.5

---

1-1/4-8

11/2-8

3.5

4.5

---

Wafer-Style
14

---

1-8

1-1/8-8

---

3.5

9.5

---

1-8

1-1/8-8

---

3.75

13.5

---

1-1/8-8

1-1/4-8

---

13.75

---

1-1/8-8

1-1/4-8

---

14.5

---

1-1/4-8

1-1/2-8

---

4.5

16.5

1. Thread engagement in accordance with ASME B31.3 “Chemical Plant and Petroleum Refinery Piping”.
2. Bolting lengths are based on installation of valve between standard raised face flanges and utilizing flange gaskets with a final compression thickness of 0.125 inch. When gaskets
used have a final compression thickness of less than 0.125 inch, reduce bolting lengths shown by 0.25 inch.

3. For Wafer-Style Valves: Properly orient the
valve according to the specific application. Place the
valve in the line so the flow properly enters the valve
as indicated by the flow tag. Then, install the valve
and the gaskets between the flanges into the cradle
formed by the flange bolts.
4. Install the remaining flange bolts.
D For Wafer-Style Valves: Make sure the
gaskets are centered on the gasket sealing surfaces
of the flange and body.

A5557/IL

Figure 4. Installation of Wafer-Style Valves

5. For all Valves: Tighten the flange bolts in an
alternating criss-cross fashion to a torque value of
one-fourth of the final bolting torque. Repeat this
procedure several times, increasing the torque value
each time by a fourth of the final desired torque.
After applying the final torque value, tighten each
flange bolt again to allow for gasket compression.

1. See figure 4 for recommended valve orientation.
D For Wafer-Style Valves: Install the lower
flange bolts first to form a cradle for the valve (see
figure 5). See table 5 for flange bolt specifications.
D For Single-Flange Valves: Position the valve
between the flanges. Be sure to leave enough room
for the flange gaskets. Install the lower flange bolts.
2. For all Valves: Select the appropriate gaskets for
the application. Flat sheet, spiral wound, or other
gasket types, made to the ASME B16.5 standard or
user’s standard, can be used on Type 8532 valves
depending on the service conditions of the
application.

Packing Adjustment and Shaft Bonding

WARNING
Personal injury could result from
packing leakage. Valve packing was
tightened before shipment; however,
the packing might require some
readjustment to meet specific service
conditions. Check with your process
or safety engineer for any other
hazards that may be present from
exposure to process media.

Instruction Manual
Form 5288
November 2007

8532 Valve
VALVE BODY

ACTUATOR
A

37A6528-A
A3143-2/IL

VIEW A-A

Figure 6. Optional Shaft-to-Valve Body
Bonding Strap Assembly

WARNING
B2263-1/IL

Figure 5. Proper Installation Steps

CAUTION
For non-ENVIRO-SEAL packing:
Tighten the packing follower nuts only
enough to prevent shaft leakage.
Excessive tightening will accelerate
wear of the packing and could produce
higher friction loads on the valve stem.
1. For PTFE or graphite packing: Tighten
standard packing follower nuts only enough to
prevent shaft leakage. Excessive tightening of
packing will accelerate wear and could produce
higher rotating friction loads on the valve stem. If
necessary, refer to the Packing Maintenance
section.

The valve shaft is not necessarily
grounded when installed in a pipeline
unless the shaft is electrically bonded
to the valve.
To avoid personal injury or property
damage resulting from the effects of a
static electricity discharge from valve
components in a hazardous
atmosphere or where the process fluid
is combustible, electrically bond the
drive shaft (key 3) to the valve
according to the following step.
Note

2. The ENVIRO-SEAL Packing Systems will not
require this initial re-adjustment. Refer to the
separate instruction manual ENVIRO-SEAL Packing
System for Rotary Valves, Form 5305, for repair and
adjustment procedures.

Standard PTFE packing is composed
of a partially conductive carbon-filled
PTFE female adaptor with PTFE V-ring
packing. Standard graphite packing is
composed of all conductive graphite
ribbon packing. Alternate
shaft-to-valve body bonding is
available for hazardous service areas
where the standard packing is not
sufficient to bond the shaft to the
valve (see the following step).

3. For hazardous atmosphere or oxygen service
valves, read the following Warning, and provide the
bonding strap assembly mentioned below if the
valve is used in an explosive atmosphere.

For oxygen service applications,
provide alternate shaft-to-valve body
bonding according to the following
step.

Instruction Manual
Form 5288
November 2007

8532 Valve
4. Attach the bonding strap assembly (key 131,
figure 6) to the shaft with the clamp (key 130,
figure 6).
5. Connect the other end of the bonding strap
assembly to the valve flange cap screws.
6. For more information, refer to the Packing
Maintenance section below.

Maintenance
Valve parts are subject to normal wear and must be
inspected and replaced as necessary. The
frequency of inspection and replacement depends
upon the severity of service conditions.
Key numbers in this procedure are shown in figure 9
unless otherwise indicated.

WARNING
Avoid personal injury from sudden
release of process pressure. Before
performing any maintenance
operations:
D Always wear protective gloves,
clothing, and eyewear when
performing any maintenance
operations to avoid personal injury.
D Disconnect any operating lines
providing air pressure, electric power,
or a control signal to the actuator. Be
sure the actuator cannot suddenly
open or close the valve.
D Use bypass valves or completely
shut off the process to isolate the
valve from process pressure. Relieve
process pressure on both sides of the
valve. Drain the process media from
both sides of the valve.
D Vent the power actuator loading
pressure.
D Use lockout procedures to be
sure that the above measures stay in
effect while you work on the
equipment.
D The valve packing box may
contain process fluids that are
pressurized, even when the valve has
been removed from the pipeline.
Process fluids may spray out under
pressure when removing the packing

hardware or packing rings, or when
loosening the packing box pipe plug.
D Check with your process or safety
engineer for any other hazards that
may be present from exposure to
process media.

Removing and Replacing the Actuator
Refer to the appropriate actuator instruction manual
for actuator removal and replacement procedures.
The actuator stops or travel stops must limit the
rotation of the valve shaft. See the CAUTION below.

Packing Maintenance
The Type 8532 control valve is designed so the
packing can be replaced without removing the valve
from the process pipeline.

CAUTION
For non-ENVIRO-SEAL packing:
Tighten the packing follower nuts only
enough to prevent shaft leakage.
Excessive tightening will accelerate
wear of the packing and could produce
higher friction loads on the valve stem.
Usually, packing leakage can be eliminated by
merely tightening the hex nuts (key 15) located
above the packing follower (key 11) while the valve
is in the pipeline. However, if leakage continues, the
packing must be replaced.
For PTFE ENVIRO-SEAL packing systems, refer to
the separate instruction manual, ENVIRO-SEAL
Packing System for Rotary Valves, Form 5305, (see
figure 10).

CAUTION
Never use a wrench or pliers on the
splined (upper) shaft (key 3). A

Instruction Manual
Form 5288
November 2007

C0758-1/IL

8532 Valve

CUTAWAY, INTERNAL DETAILS

Figure 7. Anti-Blowout Design Details

damaged shaft could cut the packing
and allow leakage.
1. Before loosening any parts on the valve, release
the pressure from the pipeline. Then, remove the
hex nuts (key 15) and lift off the packing follower
(key 11).
2. Remove the hex jam nuts (key 17) and the
anti-blowout flange (key 10). Remove the packing
follower (key 12). Refer to figure 7 for details of the
anti-blowout design parts.
The packing is now accessible.

3. Use a packing extractor to remove packing. Insert
the corkscrew-like end of the tool into the first piece
of packing and pull firmly to remove the packing.
Repeat this process until all packing parts have been
removed.

CAUTION
Be careful when cleaning the packing
box. Scratches to the upper shaft
(key 3) or inside diameter of the
packing bore might cause leakage.
4. Before installing new packing, clean the packing
box.

Instruction Manual
Form 5288
November 2007

8532 Valve
5. Install new packing one ring at a time, using the
packing follower as a driver. If using split-ring
packing, stagger the splits in the rings to avoid
creating a leak path.
6. Reinstall packing parts. Refer to figure 9 for
sequence of packing parts.

1. After removing the valve from the pipeline,
remove the manual or power actuator. Manually
rotate the upper shaft (key 3) counterclockwise until
the disc has moved a full 180 degrees away from the
closed position.

WARNING
Removing the Valve
1. Disconnect any operating lines providing air
pressure, electric power, or a control signal to the
actuator. Be sure the actuator cannot suddenly open
the valve. Vent the power actuator loading pressure.
2. Use bypass valves or completely shut off the
process to isolate the valve from process pressure.
Relieve process pressure on both sides of the valve.
Drain the process media from either side of the
valve.

CAUTION
Damage to the valve disc can occur if
the disc is not closed when the valve
is being removed from the pipeline. If
necessary, stroke the actuator to place
the disc in the closed position while
removing the valve from the pipeline.
3. Loosen the flange bolting that holds the valve.
Make sure the valve cannot slip or twist while
loosening and removing the bolting.
4. Before removing the valve from the pipeline,
make sure the valve disc is closed. Removing the
valve with the disc open could cause damage to the
disc, piping, or pipe flanges.
5. After removing the valve from the pipeline, move
the valve to an appropriate work area. Always
support the valve properly.
6. When valve maintenance is complete, refer to the
Installation procedures in this manual.

Seal Maintenance
Note
For larger valves, it is possible to
replace the seal (key 5) while the
actuator is mounted to the valve and
can be accomplished by cycling the
valve to 90 degrees open.
Key numbers in this procedure are shown in figure 9
unless otherwise indicated.

Avoid personal injury or property
damage caused by the impact of a
falling or tipping of a large valve.
Support large valves during
maintenance.
2. Lay the valve flat on a work bench in a secure
position with the retaining ring (key 18) and retaining
ring screws (key 19) facing up. Properly secure the
valve on a suitable worktable so it cannot slip, twist,
or fall during maintenance. Remove all retaining ring
screws.
3. Remove the retaining ring by placing a socket
head cap screw from the retaining ring in each of the
two retaining ring jacking screw holes. Slowly turn
the screws until the retaining ring has been lifted
from the valve body. Remove the retaining ring to
expose the seal in the T-slot area of the valve body.
Note
The Type 8532 valve is available with
different seal designs and
components. See figure 3 to identify
the specific seal design.

CAUTION
In the following procedure, take care
not to damage the seal or T-slot area
of the valve body during removal of
the seal.
4. Insert a regular screwdriver or other similar tool
under the top edge of the seal and gently pry the
seal out of the T-slot area in the valve body. Take
care not to damage the seal or T-slot area of the
valve body. After the seal has been removed, clean
the T-slot area, retaining ring and, if required, polish
the disc (key 2) thoroughly with fine steel wool or
other appropriate material.
To install a new seal, O-ring (key 6), and retaining
ring gasket, follow the appropriate instructions given
below.

Instruction Manual
Form 5288
November 2007

8532 Valve
Table 6. Torque Values for Fasteners
RETAINING RING SCREWS

GASKET RETAINING BOLTS

FASTENER NOMINAL
SIZE

NSm

InSlbs

NSm

InSlbs

#10

4.6

4.0

1/4

100

9.2

5/16

220

167

3/8

400

295

NSm

ftSlbs

NSm

ftSlbs

7/16

1/2

112

9/16

161

119

117

5/8

225

166

161

119

3/4

401

296

286

210

7/8

651

480

447

330

976

720

651

480

1-1/8

1356

1000

837

617

Note: These values are based upon standard materials, S66286/N07718 screws and ASTM A193GRB6 bolts. For other special fastener materials, please contact your Emerson
Process Management sales office.

PTFE Seals
1. Locate the replacement seal ring (key 5) and note
the shape of the ring. The ring is wider across one
edge diameter and narrower across the other edge
diameter. Around the outside circumference is one
wide groove.
Before installing the seal ring into the valve body,
place the O-ring (key 6) into the wide, outer groove
of the seal ring. Refer to figure 8.

INTERNAL
TRAVEL STOP

2. Install the seal ring and O-ring assembly in the
valve body. The wider outside diameter of the seal
ring goes into the T-slot area of the body (see
figure 5). Start the edge with the wider diameter into
the T-slot of the valve body using a blunt-end
screwdriver. If you have a maintenance kit, use the
seal installation tools.
3. Carefully tuck the O-ring downward into the body
T-slot until the seal ring is completely entrapped in
the body T-slot, and it completely covers the backup
O-ring.
4. Re-install the retaining ring and the socket head
cap screws. Tighten the cap screws just enough to
eliminate any movement of the retaining ring. Do not
over-tighten the retaining ring screws. Using a
blunt-end tool, carefully tuck the lip of the seal ring
under the retaining ring.
5. When the seal is under the lip of the retaining
ring, continue to tighten the cap screws according to
standard procedures. Do not fully torque the screws

A5251-1*/IL

Figure 8. Typical Seal Installation

at this time. Final tightening of the screws is
accomplished in step 7 of this procedure.
6. Manually rotate the upper shaft clockwise 180
degrees to return the disc (key 2) to its closed
position.
7. The final seating of the retaining ring cap screws
can now be done. For the screw torque values, refer
to table 6. The seal is now fully installed. Refer to the
Installation procedures in this manual.

Instruction Manual
Form 5288
November 2007

8532 Valve
NOVEX, Phoenix III and/or Phoenix III
Fire-Tested Seals
1. Locate the replacement seal ring (key 5) and note
the shape of the ring. The ring is wider across one
edge diameter and narrower across the other edge
diameter as shown in figure 8. Around the outside
circumference is one wide groove.
Install the seal ring (key 5) in the valve body by first
placing the wider outside diameter of the seal ring
into the T-slot area of the valve body which is shown
in figure 3.
The backup O-ring (key 6) for the Phoenix III seal
will have to be installed after placement of the seal
ring in the valve body using a blunt-end screwdriver
or the seal installation tool in the maintenance kit. Do
not use the screwdriver or seal tool directly on the
metal seat. Use tools on the O-ring only.
2. With the seal ring inserted all the way around the
body T-slot now lay the O-ring into the opening
between the valve body and the seal ring. Use the
seal tool to apply pressure to the O-ring and
carefully tuck the O-ring down into the T-slot
between the valve body and the seal ring.

Note

WARNING
Avoid personal injury or property
damage caused by the impact of a
falling or tipping of a large valve.
Support large valves during
maintenance.
6. To complete this step, stand the valve up.
Support the valve securely using methods
appropriate for the valve size. If a vise or other
clamps are being used, be sure to not damage the
flange gasket sealing area of the valve body.
7. Manually rotate the upper shaft (key 3) to turn the
disc clockwise to meet the seal.
8. Tap the disc with a rubber mallet to drive it
against the internal travel stop. When the disc
makes contact with the stop, manually rotate the
disc counterclockwise back out of the seal to a
90-degree open position. Repeat steps 7 and 8 three
times.
Note
When attaching the actuator to the
valve, make sure the valve disc is not
in contact with the valve internal travel
stop (see figure 8). The valve disc
should be positioned from 0 to 0.76
mm (0 to 0.030 inch) away from the
internal stop in the valve body (see
figure 8).

On larger valves, it may be more
efficient to have someone hold down
the seal ring while you push the O-ring
into the T-slot.

9. Use an appropriate tool (such as a feeler gauge)
to position the disc (key 2) from 0 to 0.76 mm (0 to
0.030 inch) away from the internal stop in the valve
body.

3. Once the seal ring and backup O-ring have been
fully installed into the body T-slot, the retaining ring
gasket can be installed. This gasket is a thin
graphite material. Punch one initial screw hole
through the gasket for alignment, being careful not to
cause additional damage to the gasket.

This adjustment is necessary to be certain that the
actuator output torque is fully absorbed by the
actuator travel stop or by the actuator. The
internal travel stop in the valve body should not
absorb any of the actuator torque.

4. Install the retaining ring and align the screw holes
in the retaining ring with the holes in the valve body.
Install the first retaining ring screw through the
punched hole in the ring gasket. Install the other ring
screws by pushing the screws through the graphite
gasket and threading them into the valve body.
5. Tighten the retaining ring socket head cap screws
just enough to eliminate any movement of the
retaining ring. Do not over-tighten the retaining ring
screws.

10. The final seating of the retaining ring screws can
now be done. For the screw torque values, refer to
table 6.

Anti-Blowout Design, Packing, Valve
Shaft, Disc, and Bearing Maintenance
Note
The 8532 valve has a two-piece shaft.
In these procedures, the shaft (with the

Instruction Manual
Form 5288
November 2007

8532 Valve

splined end) is called the upper shaft
(key 3). The shaft opposite the upper
shaft is called the lower (follower)
shaft (key 4).

CAUTION
When using an actuator, the actuator
travel stop (or actuator travel
adjustment, for actuators without
adjustable stops) must be adjusted so
the disc stop in the valve does not
absorb the output of the actuator.
Failure to limit the actuator travel as
described in the next step can result in
damage to the valve, shaft(s), or other
valve components.

CAUTION
When removing the actuator from the
valve, do not use a hammer or similar
tool to drive the lever off the valve
shaft. Driving the lever or actuator off
the valve shaft could damage the valve
internal parts.
If necessary, use a wheel puller to
remove the lever or actuator from the
valve shaft. It is okay to tap the wheel
puller screw lightly to loosen the lever
or actuator, but hitting the screw with
excessive force could also damage
internal valve parts.
Key numbers in this procedure are shown in figure 9
unless otherwise indicated.
1. Remove the valve from the pipeline. Remove the
actuator from the valve.

CAUTION
Never use a wrench, pliers, or similar
tool to turn the upper shaft. A
damaged shaft can cut the packing
and allow leakage.
Note
It is not necessary to remove the
retaining ring and valve seal when
removing the shaft(s) and disc.

WARNING
Avoid personal injury or property
damage caused by the impact of a
falling or tipping of a large valve.
Support large valves during
maintenance.
2. Properly secure the valve on a suitable worktable
so it cannot slip, twist, or fall during maintenance.
3. Removing the Anti-Blowout Design:
a. For PTFE or Graphite Packing: Remove the
hex nuts (key 15) and pull off the packing follower
(key 11). Remove the hex jam nuts (key 17) and
the anti-blowout flange (key 10). Remove the
anti-blowout gland (key 12). See figure 7.
b. For ENVIRO-SEAL Packing System:
Remove the hex nuts (key 101), the packing
follower (key 102), jam nuts (key 17),
anti-blowout flange (key 10), and the spring pack
assembly (key 103). See figure 10.
4. Remove the packing from around the upper shaft.
5. Remove the tangential pins or disc pins. Locate
the pins (key 9) in the upper shaft (key 3) and the pin
in the lower shaft (key 4), if the valve has a
two-piece shaft.
a. If a maintenance kit is available, use the pin
extractor to remove the disc pins. Select the
correct size pin extractor tip with screws of proper
thread size to match the thread size in the disc
pins. If you do not have a kit, see steps c and d
below.
b. Screw the pin extractor tip into the pin as far
as possible. With an upward, straight sliding
motion, pull out the pin. Repeat the same
procedure for the other pins.
c. You can use a threaded rod with an
appropriate spacer (tube) and nut as an extractor
tool. If you use a threaded rod, choose a rod with
threads that fit the inside thread of the pins. The
rod should extend several inches above the disc
when it is screwed into a pin.
d. After screwing the rod into the pin, slide the
spacer over the rod and pin. Thread a nut onto
the rod and tighten it. As you tighten the nut, the
nut will drive the spacer against the disc. The
increasing force will draw the pin from the disc.
6. The gasket retainer (key 20) on the side of the
valve opposite the upper shaft must be removed
before removing the lower shaft.

Instruction Manual
Form 5288
November 2007

8532 Valve
Remove the hex head bolts (key 23) and
lockwashers (key 22) from the gasket retainer and
remove the gasket retainer and gasket (key 21) to
expose the end of the lower shaft.
7. Before removing the lower shaft (key 4), be sure
the valve disc is properly supported. Pull the lower
shaft from the valve body. Use a shaft extractor
screwed into the puller hole in the end of the lower
shaft.
8. Before removing the upper shaft (key 3), be sure
the valve disc is properly supported. Pull out the
upper shaft (key 3) by hand-pulling or by using a
shaft extractor screwed into the end of the shaft.

CAUTION
To avoid damage to the disc, seal, and
T-slot area, do not force the disc past
the seal or T-slot area. Remove the
disc from the opposite side of the
valve body.
Note
Both the upper shaft and the lower
shaft have a thrust bearing (key 24)
between the disc and the bearings (key
7). The thrust bearing is located
outside of the bearing bore which
holds the bearings. Use care when
removing the valve disc to avoid loss
of or damage to the thrust bearings.
9. After removing the shaft(s), remove the disc. Do
not force the disc past the seal or T-slot area. Collect
the thrust bearings.
10. Remove the bearings (key 7). Using a suitable
punch or puller, drive or pull the bearings into the
valve body bore from the upper shaft bearing bore.
Remove the bearing from the lower shaft bearing
bore.
11. Inspect the valve body bore, bearings, bearing
bores, and packing box for damage.
Note
In these instructions, the drive shaft
(with splined end) is called the upper
shaft (key 3). The shaft opposite the
upper shaft is called the lower
(follower) shaft (key 4).

Installing the Two-Piece Shaft
Key numbers in this procedure are shown in figure 9
unless otherwise indicated.

WARNING
Avoid personal injury or property
damage caused by the impact of a
falling or tipping of a large valve.
Support large valves during
maintenance.
1. Properly secure the valve on a suitable worktable
so it cannot slip, twist, or fall during maintenance. Be
prepared to support the valve disc.
Note
Replacement disc and shafts are
provided as a matched set and both
should be replaced at the same time.
2. Inspect all parts removed from the valve for wear
or damage. Replace any worn or damaged parts.
Clean the valve body and all parts to be installed
with an appropriate solvent or degreaser.
Note
When installing the bearings, apply
lubricant to the outside diameter of the
bearing for ease of installation.

CAUTION
Premature valve failure and loss of
process control may result if bearings
are improperly installed or are
damaged during installation.
3. When installing the lower bearings (key 4), insert
one or more bearings into the lower shaft bearing
bore so it is flush with the body bore.
The number of bearings required changes with valve
size and construction. Two bearings are required in
the upper shaft and two bearings in the lower shaft.
If using an NPS 14 CL150 valve with metal bearings,
four bearings in the upper and four in the lower shaft
will be required.
4. Hold the lower shaft thrust bearing (key 24) in the
valve body bore against the counterbore of the lower
shaft bearing bore. Push the lower shaft into the
bearing bore just enough to hold the thrust bearing.
5. When installing the upper bearing (key 7), insert
one or more bearings into the upper shaft from the

Instruction Manual
Form 5288
November 2007

8532 Valve

body bore into the bearing bore below the packing
box. Use caution to prevent damage to the bearing.

shaft the rest of the way through the thrust bearings
and into the shaft bores in the valve disc.

6. Hold the upper shaft thrust bearing (key 24) in the
valve body bore against the counterbore of the
upper shaft bearing bore. Push the upper shaft
through the packing box side into the bearing bore
just enough to hold the thrust bearing.

11. Align the holes in the shafts with the holes in the
disc.

7. When installing the lower bearing (key 4), insert
one or more bearings into the lower shaft bearing
bore so it is flush with the body bore.
8. Insert the lower shaft through the bore in the
valve body uncovered by removal of the gasket
retainer. Hold the lower shaft thrust bearing (key 24)
in the valve body bore against the counterbore of the
lower shaft bearing bore. Push the lower shaft into
the bearing bore just enough to hold the thrust
bearing.

CAUTION
To avoid damage to the disc, seal, and
T-slot area, do not force the disc past
the seal or T-slot area. Install the disc
from the opposite side of the valve
body.
9. Place the flat side of the disc on a flat surface
and insert wooden blocks to raise the disc
approximately 51 mm (2 inches) from the worktable
surface. Then, suspend the valve body over the disc
so the seal/T-slot area is facing up. Align the shaft
bores through the disc with the upper shaft and
lower shaft bores. Lower the valve body over the
disc using caution not to dislodge or damage the
thrust bearings placed on the ends of the shafts.
10. With the disc (key 2) properly positioned in the
valve body (key 1), push the upper shaft and lower

CAUTION
To avoid damage to the tangential
pins, disc pins, valve disc, or shaft(s)
resulting from the application of
excessive force, use appropriate care
when driving the pins into the disc hub
and shaft(s). Use the right tool. Do not
use excessive force.
12. Install the appropriate tangential pins, and disc
pins. Use 2 tangential pins that will go through the
upper shaft and 1 disc pin that will go through the
lower shaft.
13. Refer to the Anti-Blowout Design, Packing,
Valve Shaft, Disc and Bearing Maintenance
procedures in this manual to re-install the packing
and anti-blowout design.

Gasket Retainer
Valves with a two-piece shaft use a gasket retainer
and gasket (keys 20 and 21) to cover the lower shaft
opening in the valve body. The gasket is held in
place by the gasket retainer and four hex head bolts
and lockwashers (keys 23 and 22). When
re-assembling the valve, use a new gasket.
Be sure to center the gasket over the lower shaft
bore before retightening bolts. Tighten down bolts
evenly in a crossover or star pattern.
Refer to table 6 for proper torque values.

Instruction Manual
Form 5288
November 2007

8532 Valve
Parts Ordering

Retrofit Kits

Typical parts are shown in figure 9.

Retrofit kits include all parts required for installation
of the ENVIRO-SEAL packing system into existing
high-performance butterfly valves. Retrofit kits are
available for single PTFE packing.

When corresponding with your Emerson Process
Management sales office about a Type 8532 valve,
identify the valve as a Type 8532 and provide the
valve serial number. For valve/actuator combinations
assembled at the factory, the valve serial number is
stamped on the nameplate attached to the actuator.

WARNING
Use only genuine Fisherr replacement
parts. Components that are not
supplied by Emerson Process
Management should not, under any
circumstances, be used in any Fisher
valve, because they will void your
warranty, might adversely affect the
performance of the valve, and could
give rise to personal injury and
property damage.

See table 7 for retrofit kit part numbers.
Retrofit Kit Included Parts
Key

Description

10
17
100
101
102
103
105
106
107
111
112

Anti-blowout follower
Jam nut
Packing stud
Packing nut
Packing flange
Spring pack assembly
Packing Set
Anti-extrusion washer
Packing box ring
Tag
Cable

Quantity
1
1
2
2
1
1
1
2(1)
2(2)
1
1

1. Not included in graphite packing kit.
2. Only 1 req’d for NPS 18 CL300, NPS 20 CL150 and NPS 24 CL150.

Note: Key 103, the spring pack assembly, is made
up of the packing spring stack held in place by an
O-ring on the packing follower.

Note
Neither Emerson, Emerson Process
Management, nor any of their affiliated
entities assumes responsibility for the
selection, use and maintenance of any
product. Responsibility for the
selection, use, and maintenance of any
product remains with the purchaser
and end-user.

Repair Kits
PTFE Repair kits include a single PTFE packing set
and anti-extrusion washers. Graphite packing sets
include graphite packing rings and carbon
anti-extrusion rings. See table 7 for PTFE repair kit
part numbers.

Table 7. Retrofit and Repair Kit Part Numbers
SHAFT
DIAMETER(1)(2),
mm (Inch)
34.9 (1-3/8)

RETROFIT KITS
PTFE

PTFE

RRTYXRT0592

RRTYX000172

CL300

50.8 (2)

RRTYXRT0602

RRTYX000182

CL150

38.1 (1-1/2)

RRTYXRT0612

RRTYX000192

CL300

57.2 (2-1/4)

RRTYXRT0622

RRTYX000202

CL150

44.5 (1-3/4)

RRTYXRT0632

RRTYX000212

CL300

63.5 (2-1/2)

RRTYXRT0642

RRTYX000222

CL150

50.8 (2)

RRTYXRT0652

RRTYX000182

CL150

63.5 (2-1/2)

RRTYXRT0662

RRTYX000222

VALVE SIZE, NPS

14
16
18

PRESSURE RATING
CL150

1. Shaft diameter: Diameter through the packing box.
2. For larger shaft sizes, consult your Emerson Process Management sales office.

REPAIR KITS

Instruction Manual
Form 5288
November 2007

8532 Valve
Key
26*

Parts List

Note

Part numbers are shown for recommended spares
only. For part numbers not shown, contact your
Emerson Process Management sales office.

Key
1

2
3
4
5*
6*
7*
8
9
10
11
12
13*

14
15
17
18
19
20
21*
22
23
24*

Description
Part Number
Valve Body
If you need a valve body as a replacement part, order the
valve size, Class and desired material. Contact your
Emerson Process Management sales office.
Disc
Drive Shaft
Follower Shaft
Seal Ring (See following table)
Backup Ring (See following table)
Bearing (See following table)
Bearing Stop
Tangential Pin / Disc Pin
Anti-Blowout Flange
Packing Flange
Packing Follower
Packing Set
PTFE, V-Ring
CL150
NPS 14
V111433X012
NPS 16
V167865X012
NPS 18
V110460X012
NPS 20
V111437X012
NPS 24
V111699X012
CL300
NPS 14
V111437X012
NPS 16
V110631X012
NPS 18
V111699X012
NPS 20
V111704X012
NPS 24
V111708X012
Graphite
CL150
NPS 14
V111434X012
NPS 16
V167864X012
NPS 18
V111028X012
NPS 20
V111438X012
NPS 24
V111442X012
CL300
NPS 14
V111438X012
NPS 16
V111696X012
NPS 18
V111442X012
NPS 20
V111705X012
NPS 24
V111709X012
Stud (2 req’d)
Hex nut (2 req’d)
Hex Jam Nut (2 req’d)
Retaining Ring
Retaining Ring Screw (8 req’d)
Gasket Retainer
Gasket (See following table)
Lockwasher (4 req’d)
Cap Screw (4 req’d)
Thrust Bearing (See following table)

*Recommended spare parts

27
28
29
32
33
34
35

Description
Retaining Ring Gasket
NOVEX and Phoenix III Seal
Standard & NACE
CL150
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24
CL300
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24
Oxygen Service
CL150
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24
CL300
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24
Cap Screw Actuator (4 req’d) (not shown)
Hex Nut Actuator (4 req’d) (not shown)
Nameplate (not shown)
Drive Screw (2 req’d)
Flow Direction Arrow (not shown)
Packing Box Ring
Disc/Shaft/Pin Assembly (not shown)

Part Number

V161467X012
V161468X012
V161469X012
V112062X012
V161471X012
V113741X012
V112064X012
V161469X012
V112062X012
V124867X012

V161467X022
V161468X022
V161469X022
V169962X012
V161471X022
V113741X022
V112064X022
V161469X022
V112062X022
V124687X022

ENVIRO-SEALr Packing System
(See figure 10)
10
17
100
101
102
103
105*

Anti-Blow Flange
Hex Jam Nut (4 req’d)
Packing Flange Stud (4 req’d)
Packing Flange Nut (4 req’d)
Packing Flange, SST
Spring Pack Assembly
Packing Set
Use with PTFE packing
CL150
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24
CL300
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24

14B3490X012
14B3495X012
13B9155X012
13B9164X012
12B7782X012
13B1964X012
14B3647X012
12B7782X012
13B9164X012
14B5730X012

Instruction Manual
Form 5288
November 2007

8532 Valve
Key
105*

Description
Packing Set (continued)
Use with Graphite packing
CL150
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24
CL300
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24

Key
106*

Part Number

14B3541X112
14B3541X122
14B3541X032
14B3541X082
14B3541X042
14B3541X082
14B3541X052
14B3541X042
14B3541X062
14B3541X072
107
111
112
113

Description
Anti-Extrusion Ring, Composition/graphite
filled PEEK (2 req’d)
Single PTFE packing w/std packing box
CL150
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24
CL300
NPS 14
NPS 16
NPS 18
NPS 20
NPS 24
Packing Box Ring
Tag (not shown)
Cable Tie (not shown)
Lubricant

Part Number

14B3489X012
14B3494X012
13B9159X012
13B9168X012
12B7783X012
13B9168X012
14B3642X012
12B7783X012
13B9168X012
14B5734X012

Key 5* Seal Ring
VALVE SIZE, NPS

SOFT SEAL

PHOENIX III SEAL

METAL SEAL

ETFE

PTFE for oxygen
service

NOVEX

PTFE(1)

UHWMPE(2)

PTFE

V168932X012

V168932X022

V140831X012

V140831X022

V140831X032

V159013X012

V111337X012

V111337X022

V140857X012

V140857X022

V140857X032

V159014X022

V111340X012

V111340X022

V114458X012

V114458X022

V114458X032

V159026X022

V111343X012

V111343X022

V142359X012

V142359X022

V159044X022

V111349X012

V111349X022

V142384X012

V142384X022

V142384X032

V159146X022

CL150

CL300
14

V111626X012

V111626X022

V142584X012

V142584X022

V142584X032

V164731X022

V111629X012

V111629X022

V140837X012

V140837X022

V140837X032

V168015X032

V111632X012

V111632X022

V114459X012

V114459X022

V114459X032

V167979X022

V111635X012

V149634X012

V114462X012

V114462X022

V114462X032

V167658X022

V111638X012

V142372X012

V142372X022

V142372X032

V164730X022

1. Includes FKM (fluorocarbon), NBR, EPR, CR, and PTFE
2. Includes FKM, NBR, EPR, and CR

*Recommended spare parts

Instruction Manual
Form 5288
November 2007

8532 Valve

12
11

23
14

21
17

E0777

NPS 14
Figure 9. Type 8532 Wafer Style Valve Assembly

Instruction Manual
Form 5288
November 2007

8532 Valve
Key 6* Backup RIng
VALVE SIZE, NPS

FKM

NBR

EPR

PTFE(1)

Soft Seal PTFE / UHMWPE
CL150
14

V111360X012

V111360X022

V111360X032

V111360X042

V111358X012

V111365X012

V111365X022

V111365X032

V111365X042

V111363X012

V111370X012

V111370X022

V111370X032

V111370X042

V111368X012

V111375X012

V111375X022

V111375X032

V111375X042

V111373X012

V111385X012

V111385X022

V111385X032

V111385X042

V111383X012

CL300
14

V111648X012

V111648X022

V111648X032

V111648X042

V111653X012

V111653X022

V111653X032

V111653X042

V111370X012

V111370X022

V111370X032

V111370X042

V111375X012

V111375X022

V111375X032

V111275X042

V111658X012

V111658X022

V111658X032

V111658X042

Phoenix III 316/PTFE, ETFE & Oxygen Service
CL150
14

V111647X012

V111648X022

V111648X032

V111648X042

V111360X012

V111360X022

V111360X032

V111360X042

V111365X012

V111365X022

V111365X032

V111365X042

V111375X012

V111375X022

V111375X032

V111375X042

V111385X012

V111385X022

V111385X032

V111385X042

CL300
14

V110203X012

V110203X022

V110203X032

V110203X042

V111360X012

V111360X022

V111360X032

V111360X042

V111365X012

V111365X022

V111365X032

V111365X042

V111370X012

V111370X022

V111370X032

V111370X042

V111375X012

V111375X022

V111375X032

V111375X042

QUANTITY NEEDED

PEEK

316 / NITRIDE

BRONZE/GRAPHITE

PTFE / COMPOSITION

1. Not available in UHMWPE

Key 7* Bearing
VALVE SIZE, NPS

CL150

3(1)
2(2)
7(3)
4(3)

V175057X012
V157058X012

V161474X022
V111398X032

V161472X022

V161474X042
V111398X042

V161472X042

V161474X052
V111398X052

V161472X052

4(3)

V157059X012

V131700X022

V131700X042

V131700X012

4(3)

V157060X012

V169414X012

V169414X032

V169414X042

4(3)

V157061X012

V127742X032

V127742X042

V127742X012

CL300
14

4(3)

V168185X012

V168528X022

V168528X042

V168528X052

4(3)

V168186X012

V128066X032

V128066X052

V128066X012

4(3)

V168187X012

V170455X012

V170455X032

V170455X042

4(3)

V168188X012

V131699X042

V131699X032

V131699X012

4(3)

V168189X012

V131703X042

V131703X052

V131703X012

1. Upper bearing
2. Lower bearing
3. Both upper and lower bearings

*Recommended spare parts

Instruction Manual
Form 5288
November 2007

8532 Valve

14B0095-A / DOC
34B7524-B

STACKING ORDER OF
PTFE PACKING RINGS

PTFE PACKING SYSTEM

14B0086-A/DOC

STACKING ORDER OF
GRAPHITE PACKING RINGS

34B7524-B

GRAPHITE PACKING SYSTEM
NOTES:
1 VALVES WITH SHAFTS LARGER THAN 38.1 mm (1-1/2 INCH) USE GRAPHITE RINGS

Figure 10. ENVIRO-SEALr Packing Systems

Instruction Manual
Form 5288
November 2007

8532 Valve
Key 21* Gasket (1)
VALVE SIZE, NPS

SOFT SEAL

METAL / PHOENIX III

SOFT SEAL & METAL / PHOENIX III

Standard and NACE

For Oxygen Service

CL150
14

V125000X022

V125000X012

V125000X032

V125001X012

V125001X032

V125002X022

V125002X012

V125002X032

V124604X022

V124604X032

V124603X022

V124603X012

V124603X032

CL300
14

V124604X022

V124604X012

V124604X032

V139033X022

V139033X012

V139033X032

V139502X022

V139502X012

V139502X032

V139619X022

V139619X012

V139619X032

V135138X022

V135138X012

V135138X032

1. Soft Seal and Phoenix III gaskets require backup O-rings (key 6).

Key 24* Thrust Bearing
VALVE SIZE, NPS

QUANTITY NEEDED

PEEK

316/NITRIDE

BRONZE/GRAPHITE

PTFE/COMPOSITE

CL150
14

V159686X012

V169332X022

V169332X042

V169332X052

V159687X012

V168511X022

V168511X032

V168511X042

V159688X012

V131701X022

V131701X042

V131701X012

V159689X012

V111417X022

V111417X012

V111417X042

V159690X012

V127739X032

V127739X052

V127739X012

CL300
14

V168180X012

V168530X022

V168530X042

V168530X052

V168181X012

V131681X022

V131681X042

V131681X012

V168182X012

V131702X022

V131702X042

V131702X012

V168183X012

V128345X022

V128345X042

V128345X012

V168184X012

V152839X022

V152839X042

V152839X052

*Recommended spare parts

ENVIRO-SEAL and Fisher are marks owned by Fisher Controls International LLC, a member of the Emerson Process Management business
division of Emerson Electric Co. Emerson Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson
Electric Co. All other marks are the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they
are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability.
We reserve the right to modify or improve the designs or specifications of such products at any time without notice.
Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use and
maintenance of any product. Responsibility for the selection, use and maintenance of any product remains with the purchaser and end-user.

Printed in USA

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Emerson Fisher 8532 Instruction Manual

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