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ZW self-priming sewage pump Return on a page
Performance range:

1. Flow: 18-1100m3/hr

2. Head: 15-135m

3. Caliber: DN50-DN350mm

4. Rotate speed: 980-2950 r/min

5. Water temperature: ≤80°C

6 .Motor power: 2.2-280kw


Introduction:
ZW series self-priming sewage pump is also known as solid-liquid pump or pump impurities. This series of pump hydraulic design is unique, the impeller is contracting in the leaf chamber alone, connected with the impeller chamber is pressurized water chamber, when the impeller rotates, the liquid in the pump axial eddy current effect of strong, making imports caused by vacuum, exports have a lift. So the impurities can be discharged from the water pressure chamber, so that the channel is completely unimpeded, the effect of sewage is other self suction there is nothing comparable to this. With the installation, use, convenient movement, stable performance, repair rate is extremely low, favored by the majority of users.





Working Principle:

The working principle of pump: the pump body is provided with a liquid storing cavity, and through the circular hole at the top of the backflow hole and below and the pump cavity, composed of a pump with outer recirculation and system. The pump stops working. Pump cavity has a certain volume of liquid storage. When the pump starts", pump the liquid in the impeller under the action of liquid separation grid, back to the working cavity tube by gas liquid, gas is discharged out of the pump, the pump within a certain vacuum degree, achieve self absorption effect.


Application:

ZW series of non clogging Self-priming sewage pump is widely used in municipal sewage works, light industry, paper making, textile, food, chemical, electric power, petroleum, mining and pond aquaculture industry. It is the impurity pump domestic pumping solid particles, fibers, paste and mixed suspension medium ideal.

                       

                                     

                                    A part of model see the table below

Model

Flow

(m3/h)

Head

(m)

Power

(kw)

Speed

(r/min)

 

50-32-125

7

12.5

15

22

20

16

 

2.2

 

2900

 

65-50-160

15

25

35

33

32

28

 

5.5

 

2900

 

65-40-200

15

25

35

51

50

45

 

11

 

2900

 

65-40-250

15

25

35

82

80

72

 

18.5

 

2900

 

80-65-125

35

50

60

22

20

18

 

5.5

 

2900

 

80-65-160

35

50

60

33

32

27

 

11

 

2900

 

80-50-200

35

50

60

52

50

45

 

15

 

2900

 

80-50-250

35

50

60

82

80

75

 

30

 

2900

 

100-80-160

65

100

120

35

32

26

 

15

 

2900

 

100-65-200

65

100

120

51

50

43

 

30

 

2900

 

100-65-250

65

100

120

87

80

74.5

 

37

 

2900

 

125-100-200

120

200

240

57

50

44

 

45

 

2900

 

125-100-250

120

200

240

87

80

70

 

75

 

2900

 

150-125-315

120

200

240

34

32

29

 

30

 

1450

 

200-150-250

240

400

480

22

20

18

 

37

 

1450

 

200-150-315

240

400

480

36

32

29

 

75

 

1450

 

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