539543 1 Little Giant MD Magnetic Drive Pump Specs Sheet

539544 1 Little Giant 1-Md Magnetic Drive Pump Specs Sheet 539544_1_Little Giant 1-MD Magnetic Drive Pump Specs Sheet

544356 1 Little Giant 1-Md Magnetic Drive Pump Specs Sheet 544356_1_Little Giant 1-MD Magnetic Drive Pump Specs Sheet

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Magnetic Drive

1-MD
Features
n	

Thermally protected, open, fan-cooled motor

n	

Sleeve bearings

n	

6' power cord with 3-prong plug (no plug on
230V)

n	

Specific gravity to 1.1

n	

Fluid temperature to 150°F

n	

Ambient air temperature to 77°F

	

NOTE: Consult your local distributor or the
factory for applications with higher ambient
temperatures, specific gravities and viscosities.

Construction
n	

Volute — Glass-filled polypropylene

n	

Housing — Glass-filled polypropylene

n	

Impeller — Glass-filled polypropylene and
ceramagnet “A” (barium ferrite)

n	

Shaft — Titanium

n	

Thrust Washers — Titanium

n	

O-Ring — Nitrile

The Little Giant MD series features leakproof, seal-less magnetic drives and are designed for in-line, non-submersible
use. Volute and magnet housing are glass-filled polypropylene for excellent chemical resistance. Impeller is glass-filled
polypropylene and ceramagnet “A” (barium ferrite). Shaft and thrust washers are titanium for excellent wear and
trouble-free service. Pumping heads are easily rotated, cleaned or serviced with no special tools required. Spindle shaft
is supported at both ends to prevent impeller damage during start-up and stop of pump.

1-MD

NOTE: Designs and dimensions may vary for various reasons (i.e. type of motor). This information should be used as
general guide rather than an unqualified guarantee. Specifications are subject to change without prior notice.

Specifications
Model
No.
1-MD
1-MD
1-MD

Item
Intake
No.
Size
589002 1/2" Hose
589012 1/2" Hose
589098 1/2" Hose

Discharge
Size
1/2" Hose
1/2" Hose
1/2" Hose

Listing(s)
UR/C-CSA

HP
Volts Hertz Amps
1/70
115
60
0.8
1/70
230
50/60 .66/.64
Pump Head Less Motor

FLOW - LITERS/HOUR
0

200

400

600

8
2

4

1

2
0

0

50
100
150
200
FLOW - GALLONS/HOUR
60 Hz
50 Hz

www.LittleGiantPump.com

0
250

HEAD - METERS

HEAD - FEET

3

6

Performance (GPH @ Head)
1'
3'
6'
9'
180
165
90
20
180
165
90
20

Shut Off
Feet
PSI
10.6
4.6
10.6
4.6

Power
Cord (ft.)
6
6

Weight
(lbs.)
4.00
6.25
2.00

Replacement Parts

800

12
10

Watts
60
100

ITEM
A
B
C
D
E
F
1
2
3
4

PART NO.
188010
924025
921065
188100
188050
188001
920020
911503
188124
920002

DESCRIPTION
Volute
O-ring
Thrust washer
Impeller
Shaft
Housing
Wing nut
Stud, collared
Drive magnet
Mounting bracket

NOTE: Parts A–F contact fluid

PO Box 12010 • Oklahoma City, OK 73157
Phone: 800.701.7894 • Fax: 800.701.8046
E-mail: customerservice@littlegiant.com
Form 995768 — 03/2001
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