Centrifugal Multistage Pump

Centrifugal Multistage Pump

Centrifugal Multistage Pump Centrifugal multistage pump is a kind of centrifugal pump which is composed of the inlet and outlet section and the middle section. Its output water pressure can be very large, and it also depends on the rotation of the impeller to obtain the centrifugal force, thus...

Product Details

Centrifugal Multistage Pump

Centrifugal multistage pump is a kind of centrifugal pump which is composed of the inlet and outlet section and the middle section. The centrifugal pump also called high pressure multistage pump. 

centrifugal multistage pumps photo:

multistage pump for water

water multistage pumpMultistage high pressure centrifugal pump


Speficication of centrifugal multistage pump:

--Model:D155-30*10

--Capacity:155m3/h

--Head:300m

--Shaft power:168kw

--Efficiency:75%

--Electric motor power:220kw

--(NPSH)r:3.9m

Our client from Australia ordered 7 pieces of this centrifugal multistage pump for the mining usage.Specification of the centrifugal multistage pump:

Specification of centrifugal multistage pump

Capacity

3.75-1000m3/h

NPSH

2-7m

Head 

49-1500m

Efficiency

35%-90%

Frequency 

50Hz or 60Hz are available

Impeller dia.

146-275mm

Shaft seal

Packing gland/mechanical seal 

Type:

Multistage pump

Speed

1480-2950rpm

Power

10-4500kw


Model selection of centrifugal multistage pump

Model

Capacitity

Head

Speed 

Motor power

Impeller dia.

weight

m3/h

L/s

m

r/min

kw

mm

kg

D6-50*2

6.3

1.75

100

2950

11

198

140

D6-50*12

6.3

1.75

600

2950

55

198

340

D25-50*3

25

6.94

150

2950

80

196

220

D25-50*12

25

6.94

600

2950

110

196

409

D46-50*12

46

12.78

600

2950

160

210

475

D85-67*9

85

23.6

603

2950

250

235

1840

D120-50*2

120

33.3

100

2950

55

213

640

D120-50*9

120

33.3

450

2950

220

213

1200

D155-67*9

155

43.1

603

2950

450

235

1800

D360-40*10

360

100

400

2950

630

360

2550

D580-70*10

580

161.1

700

2950

1800

473

4120

D720-60*9

720

200

540

2950

1600

450

3900

We just list some models,please email us for more specifications.miya@modopump.cn


As for the drive method of the centrifugal multistage pump,could be electric motor driven and diesle engine driven.

It depends on your working site,if no electric power,diesel engine driven centrifugal multistage pump

will be recommended.Look the photo of centrifugal multistage pump working site:

end suction mutistage pump multistage pump

Here are some points during the usage of the centrigual multistage pump,and we should make good maintainance of the centrifugal multistage pump to make the multistage a more durable life.miya@modopump.cn


(1) check whether the pipeline and joint of centrifugal multistage pump are loose. Turn the centrifugal multistage pump by hand to see if it is flexible.(2) add bearing lubricating oil into the bearing, observe that the oil level shall be at the center line of the oil mark, and the lubricating oil shall be replaced or supplemented in time.(3) screw out the water plug of the centrifugal multistage pump body, and fill the water (or slurry).(4) close the gate valve, outlet pressure gauge and inlet vacuum gauge of the outlet pipe of centrifugal multistage pump .(5) jog the motor and try to see whether the rotation direction of the motor of centrifugal multistage pump is correct.(6) if the centrifugal multistage pump is out of service for a long time, it is necessary to disassemble the pump completely, dry the water, and coat the rotating parts and joints with grease.(7) try to control the flow and head of the centrifugal multistage pump within the range indicated on the label, so as to ensure that the high pressure multistage pump operates at the highest efficiency point, so as to obtain the maximum energy saving effect.

 Now Email us for your colution :

miya@modopump.cn

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