539545 1 Little Giant 3X MDX Magnetic Drive Pump Specs Sheet

539534 1 Little Giant 3-Mdx Magnetic Drive Pump Specs Sheet 539534_1_Little Giant 3-MDX Magnetic Drive Pump Specs Sheet 539534_1_Little Giant 3-MDX Magnetic Drive Pump Specs Sheet pdf pumpproducts

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Magnetic Drive

3-MDX & 3X-MDX
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 troublefree 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.

3-MDX & 3X-MDX

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.
3-MDX
3X-MDX

Item
Intake
No.
Size
581031 5/8" Hose
581030 5/8" Hose

Discharge
Size
5/8" Hose
5/8" Hose

Listing(s)
UR/C-CSA
UR/C-CSA

HP
1/25
1/50

Volts
115
115

Hertz
60
60

20

500

1000

1500
6

18
HEAD - FEET

14

4

12
10

3

8

2

6
4

1

2
0

0

100
200
300
400
FLOW - GALLONS/HOUR

0
500

HEAD - METERS

5

16

Watts
126
67

Performance (GPH @ Head)
1'
3'
6'
9'
456
420
408
360
348
300
198
—

Shut Off
Feet
PSI
19.0
8.2
7.0
3.0

Power
Cord (ft.)
6
6

Weight
(lbs.)
6.25
5.50

Replacement Parts

FLOW - LITERS/HOUR
0

Amps
1.65
0.94

ITEM
A
B
C
D
D
E
F
1
2
3
4

PART NO.
181211
924007
921067
181112
181111
180058
181311
920003
901418
180602
181411

DESCRIPTION
Volute
O-ring
Thrust washer
Impeller 3-MDX
Impeller 3X-MDX
Shaft
Backplate
Wing nut
Screw
Drive magnet
Mounting bracket

NOTE: Parts A–F contact fluid

3-MDX
3X-MDX
PO Box 12010 • Oklahoma City, OK 73157
Phone: 800.701.7894 • Fax: 800.701.8046
E-mail: customerservice@littlegiant.com

www.LittleGiantPump.com

Form 995771 — 03/2001
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