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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-18) 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 6.0 (m3/h)
8Power range from 0.5 to 10 (HP) 
8Total head:  up  to 550 (m)

-MOTOR:

8Water lubricated encapsulated motor (rewindable).
8Adopted the NEMA standard.
8Power: 0.37 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

1.5

1.8

2.1

2.4

2.7

3.0

3.6

4.2

4.8

5.4

6.0

PUMP

L/min

0

25

30

35

40

45

50

60

70

80

90

100

Dia.

Weught

gpm

0

7

8

9

11

12

13

16

18

21

24

26

(mm)

(kg)

4ST-1805

5

0.5

0.37

H(m)

33

29

28

27

26

25

24

21

18

13

8

3

257

 

4ST-1807

7

0.75

0.55

46

43

42

41

40

39

37

33

28

21

13

7

301

 

4ST-1809

9

1.0

0.75

59

55

54

52

51

49

47

43

37

28

20

10

344

 

4ST-1814

14

1.5

1.1

93

87

86

83

81

79

76

68

58

47

33

20

452

 

4ST-1818

18

2.0

1.5

120

113

111

108

105

102

98

88

75

60

42

25

538

 

4ST-1827

27

3.0

2.2

175

164

161

157

152

147

141

127

109

87

61

35

767

 

4ST-1835

35

4.0

3.0

231

217

212

208

202

196

189

170

149

120

87

50

934

 

4ST-1848

48

5.5

4.0

322

299

292

285

276

267

256

231

199

160

118

70

1253

 

4ST-1866

66

7.5

5.5

433

403

396

381

374

359

345

316

271

205

147

73

1680

 

4ST-1890

90

10

7.5

590

550

540

520

510

490

470

430

370

280

200

100

2236