Deep well pump

4STM2

    technical data
  • -Pump/Motor

  • Qmax:4.5(m3/h)

  • Insulation class:B

  • Protection grade:IP 68

  • Maximum diameter:φ98mm

  • Highest temperature of liquid:35℃

  • Options of different materials sre available.

PERFORMANCE TABLE
rpm:2850
Type Motor power Capacity and head
single phase
 220-240V~Hz50

Three phase
 380-415V~Hz50

L/min 0 5 10 15 20 25 30 35 40 45 50
KW HP m3/h 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0
4STM2 25-0.37 4STM2 25-0.37 0.37 0.5 Head
(m)
34     32 31 29 27 25 23 19 16
4STM2 27-0.37 4STM2 27-0.37 0.37 0.5 46     43 42 39 36 33 29 26 22
4STM2 10-0.55 4STM2 10-0.55 0.55 0.75 69     65 63 60 55 50 44 37 29
4STM2 14-0.75 4STM2 14-0.75 0.75 1 92     86 83 79 74 67 60 52 42
4STM2 20-1.1 4STM2 20-1.1 1.1 1.5 139     131 127 120 111 101 90 75 60
4STM2 28-1.5 4STM2 28-1.5 1.5 2 189     178 172 164 153 140 126 108 90
4STM2 40-2.2 4STM2 40-2.2 2.2 3 265     249 237 224 208 189 170 147 120
N0. Description N0. Description N0. Description N0. Description
1

Clamping spring

14

O-ring

27

Suction support

40

Bearing bush

2

End cover

15

Oil chamber

28

Strainer

41

Screw

3

Rubber cup

16 O-ring 29

 Screw

42

Screw

4

Motor body

17

Screw

30

 Screw

43 Diffuser
5

Screw

18

Sand proof sheath

31

Coupling

44

Guide bush

6

Washer

19

Washer

32

Bearing bush

45

Valve seat

7

Bearing seat

20

Sand proof cap

33

Intermediate support

46

Check valve

8

Stator

21

Screw

34

Guide bus

47 Screw
9

Ball bearing

22

Oil chamber cover

35

Shaft

48

Holder pipe

10

Rotor

23

Cable

36

Shaft ring

49

Cable cover

11

Ball bearing

24

Stud

37

Diffuser cover

50

Pump bod

12

Gasket

25

washer

38

Impeller

51

Outlet

13

Thrust bearing

26

Nut

39

Diffuser

52

Control box