536897 1 Little Giant Ws Series Submersible Sewage Pump Brochure User Manual

536891 1 Little Giant Ws Series Submersible Sewage Pump Brochure 536891_1_Little Giant WS Series Submersible Sewage Pump Brochure

536893 1 Little Giant Ws Series Submersible Sewage Pump Brochure 536893_1_Little Giant WS Series Submersible Sewage Pump Brochure

536895 1 Little Giant Ws Series Submersible Sewage Pump Brochure 536895_1_Little Giant WS Series Submersible Sewage Pump Brochure

536894 1 Little Giant Ws Series Submersible Sewage Pump Brochure 536894_1_Little Giant WS Series Submersible Sewage Pump Brochure

536890 1 Little Giant Ws Series Submersible Sewage Pump Brochure 536890_1_Little Giant WS Series Submersible Sewage Pump Brochure

User Manual: Pump 536897 1 Little Giant Ws Series Submersible Sewage Pump Brochure

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Wastewater
WS Sewage Series

Applications
•• Ideal for handling raw sewage as well as

commercial dewatering sump
applications with up to 2" solids.

Features
•• 1/2 hp and 1 hp oil filled chamber with

double ball bearing. Designed for
hi-torque and is thermally protected
with automatic reset (single-phase only)
•• Motor shaft is stainless steel
•• Motor and pump housing is cast iron 		
•• 2" NPT discharge
•• Mechanical carbon/ceramic seal
•• Cast iron solids handling non-clog

impeller
•• Stainless steel fasteners throughout, for

serviceability
•• Mechanical float switch for automatic

on-off operation; piggyback style

163025

•• Power cord sealed at motor housing

CSA 108
UL 778

Wastewater • Water Systems • HVAC • Industrial • Engineered Products

Performance Data

Engineering Data

Flow - Liters/Minute
0

100

200

300

400

500

600

700

50

16.0

12.0

30
8.0
20

Head - Meters

Head - Feet

40

4.0

10

WS102M WS102HM
WS52 WS51 WS52H

0.0

0
0

50

100

150

200

Flow - Gallons/Minute

*Dimensions measured in inches [mm]
Model

A

B

C

D

WS51

1.75" [44.5] 13.25" [336.6] 5.25" [133.4]

WS52

1.75" [44.5]

14" [355.6]

E

2" [50.1]

F

G

12.25" [311.2] 4.68" [118.9] 9.38" [238.3]

6.38" [162.1] 2.31" [58.7] 12.25" [311.2] 4.68" [118.9] 9.38" [238.3]

WS52H

1.75" [44.5] 15.1" [383.6] 6.38" [162.1] 2.31" [58.7] 12.25" [311.2] 4.68" [118.9] 9.38" [238.3]

WS102

1.75" [44.5] 15.1" [383.6] 6.38" [162.1] 2.31" [58.7] 12.25" [311.2] 4.68" [118.9] 9.38" [238.3]

WS102H 1.75" [44.5] 15.1" [383.6] 6.38" [162.1] 2.31" [58.7] 12.25" [311.2] 4.68" [118.9] 9.38" [238.3]

Performance Chart
Model No.

RPM

5'

10'

15'

20'

25'

30'

35'

WS51

1750

155

120

83

52

-

-

-

Shut-Off
Head
(ft)
27

WS52

1750

135

90

56

14

-

-

-

23

WS52H

3450

156

128

97

68

32

-

-

29

WS102

1750

-

168

144

118

85

46

-

37

WS102H

3450

-

190

170

148

124

100

74

48

Performance (gpm @ head)

Specifications
Item No.

Model No.

Listing

HP

Volts

SFA

Phase

Solids Handling Discharge

Switch

Cord Length
(ft)
20

Ship Wt.
(lbs)
55

620012

WS51M

cCSAus

1/2

115

11.6

1

1-3/8”

2"

Manual

620002

WS51AM

cCSAus

1/2

115

11.6

1

1-3/8”

2"

Automatic

20

57

620013

WS52M

cCSAus

1/2

115

11.6

1

2”

2"

Manual

20

57

620003

WS52AM

cCSAus

1/2

115

11.6

1

2”

2"

Automatic

20

59

620254

WS52HM

cCSAus

1/2

115

11.6

1

2"

2"

Manual

30

58

620255

WS52HAM

cCSAus

1/2

115

11.6

1

2"

2"

Automatic

30

60

620256

WS52HM-12

cCSAus

1/2

208-230

11.6

1

2"

2"

Manual

30

58

620257

WS52HAM-12

cCSAus

1/2

208-230

11.6

1

2"

2"

Automatic

30

60

620203

WS102M-12

cCSAus

1

208-230

9.8 - 10.7

1

2”

2"

Manual

20

62

620215

WS102AM-12

cCSAus

1

208-230

9.8 - 10.7

1

2”

2"

Automatic

20

64

620208

WS102M-32

cCSAus

1

208-230

4.30 - 4.58

3

2"

2"

Manual

20

63

620209

WS102M-34

cCSAus

1

460

2.15

3

2"

2"

Manual

20

63

620258

WS102HM-12

cCSAus

1

230

13.3

1

2"

2"

Manual

30

61

620259

WS102HAM-12 cCSAus

1

230

13.3

1

2"

2"

Automatic

30

63

P.O. Box 12010
Oklahoma City, OK 73157-2010
Phone: 1.800.701.7894
Fax: 1.800.678.7867
www.LittleGiantPump.com

©2011 Franklin Electric Co., Inc.
Little Giant® is a registered trademark of Franklin Electric Co., Inc.
Form 996172 — 05/11



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