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Hengsheng Industrial & Trading Co., Ltd.
Umex (Ningbo) Imp. & Exp. Co., Ltd.
Factory: Building 1, United Industrial Park, Shangfan, Hengxi, Yinzhou, Ningbo, China
Office: RM1610/1619, Huahong Fifth Avenue, No.719 Zhongxing Road, Ningbo, China
Tel: 0086-0574-87262189
        0086-0574-87328803
Fax: 0086-0574-88107190 87328810
E-mail:sales03@unipompe.com
Website: www.unipompe.com
    Home > Products > Garden pump > Submersible Pump

4'' (4ST-10) SUBMERSIBLE PUMP 

4" encapsulated 3-wire capacitor single phase motor 
Water lubricated radial and thrust bearings
Removable “Water bloc” lead connector
Plastic Floating Impeller offers superior performance and exceptional resistance to abrasives,  
due to the floating stack design.

-Pump:

8Qmax: up to 3.0 (m3/h)
8Power range from 0.5 to 3.0 (HP) 
8Total head:  up  to 252 (m)

-MOTOR:

8Water lubricated encapsulated motor (rewindable).
8Adopted the NEMA standard.
8Power: 0.37 to 2.2 KW (1 phase)
8Insulation class : F
8Protection grade: IP 68
8Maximum diameter : Φ95mm
8Highest temperature of liquid : 35 ℃

-Application:

8For water supply from wells or reservoirs.
8For domestic use,for civil and industrial applications.
8For sprimking and flow irrigation plants.

-Operating conditions:

8Water temperature up to 35 Cent.Degree.
8Maximum sand content: 0.25%
8Minimum international diameter of well: 4''.
8Maximum immersion depth: 80m.

-Materials:

8Pump casing: AISI 304 stainless steel
8Impeller: plastic (PPO)
8Diffuser: plastic (PC)
8Inlet and Outlet:  brass/stainless steel/cast iron.
8Shaft AISI 304 stainless steel.
8Motor casing: AISI 304 stainless steel.
8Mechanical seal: tungsten carbides.


                                                       Performance Curves

WARRANTY: 1 YEAR (according to our general sales conditions)

PUMP MODEL

STAGE

MOTOR

Q(n=2850r/min)

HP

KW

M3/h

0

0.9

1.2

1.5

1.8

2.1

2.4

2.7

3.0

PUMP

L/min

0

15

20

25

30

35

40

45

50

Dia

Weight

gpm

0

4

5

7

8

9

11

12

13

(mm)

(kg)

4ST-1005

5

0.5

0.37

H(m)

34

32

31

29

27

25

23

19

16

236

 

4ST-1007

7

0.5

0.37

46

43

42

39

36

33

29

26

22

271

 

4ST-1010

10

0.75

0.55

69

65

63

60

55

50

44

37

29

324

 

4ST-1014

14

1.0

0.75

92

86

83

79

74

67

60

52

42

394

 

4ST-1020

20

1.5

1.1

139

131

127

120

111

101

90

75

60

499

 

4ST-1028

28

2.0

1.5

184

172

168

156

144

132

116

104

88

677

 

4ST-1041

41

3.0

2.2

269

252

246

228

211

193

170

152

129

942.5