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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-40) 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 12 (m3/h)
8Power range from 1.0 to 10 (HP) 
8Total head:  up  to 254 (m)

-MOTOR:

8Water lubricated encapsulated motor (rewindable).
8Adopted 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

4.8

5.4

6.0

7.2

8.4

9.6

10.8

12

PUMP

L/min

0

80

90

100

120

140

160

180

200

Dia.

Weight

gpm

0

21

24

26

32

37

42

48

53

(mm)

(kg)

4ST-4004

4

1.0

0.75

H(m)

26

24

23

22

21

19

17

15

12

294

 

4ST-4006

6

1.5

1.1

39

36

35

34

32

29

26

22

17

356

 

4ST-4008

8

2.0

1.5

52

48

47

46

43

39

35

29

24

418

 

4ST-4013

13

3.0

2.2

82

75

73

71

66

59

50

40

30

573

 

4ST-4017

17

4.0

3.0

108

98

96

94

87

79

70

58

46

697

 

4ST-4023

23

5.5

4.0

148

134

131

127

118

108

95

79

60

921

 

4ST-4032

32

7.5

5.5

202

182

178

172

160

143

125

105

80

1238

 

4ST-4044

44

10

7.5

278

254

247

240

223

200

169

135

102

1610