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-35) 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 8.4 (m3/h)
8Power range from 1.0 to 10 (HP) 
8Total head:  up  to 385 (m)

-MOTOR:

8Water lubricated encapsulated motor (rewindable).
8
Adopted the NEMA standard.
8Power: 0.75 to 7.5 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

 MOTPR

 Q(n=2850r/min)

hp

kw

m3/h

0

3.0

3.6

4.2

4.8

5.4

6.0

7.2

8.4

PUMP

L/min

0

50

60

70

80

90

100

120

140

Dia.

Weight

gpm

0

13

16

18

21

24

26

32

37

(mm)

(kg)

4ST-3507

7

1.0

0.75

H(m)

42

36

34

32

30

28

25

19

11

390

 

4ST-3510

10

1.5

1.1

62

53

51

48

45

41

38

29

18

483

 

4ST-3514

14

2.0

1.5

90

77

74

71

68

63

59

46

28

607

 

4ST-3520

20

3.0

2.2

125

107

102

97

92

86

80

62

40

831

 

4ST-3527

27

4.0

3.0

169

145

139

131

123

115

107

84

55

1048

 

4ST-3536

36

5.5

4.0

221

190

181

173

164

154

143

112

72

1318

 

4ST-3549

49

7.5

5.5

302

257

246

234

222

209

193

151

96

1802

 

4ST-3570

70

10

7.5

450

385

370

355

340

315

295

230

140

2490