Multistage water pump is used for transferring clean water or physical and chemical properties liquid similar to water. The biggest difference between multistage water pump and other types water pump is that multistage water pump has high pressure.
Multistage water pumps have more than 1 impeller. Therefore, it is easy for the pump to raise the medium to a high level. There are 3 different types
D type：D type pump is used for transferring liquid without particle. Besides, the medium temperature is less than 80℃. This type pump is always used in factory and urban drainage.
DG type: DG type pump is used for transferring liquid without particle. This type multistage water pump is different from D type. The temperature of DG type pump is less than 160℃. Besides, the Inlet and outlet are all located above.
DP type: DP type pump is also transferring liquid without particle. It is same as D type pump. But DP type pump has balance line, which can keep multistage water pump balance.
Here are three pictures of multistage water pump for your reference.
You can select different type multistage pump according to your requirements.
Model description:
D ( DG, DP) 46-30×4
D-----Multistage water pump
46----Pump flow: 46m3/h
30----Head of single stage: 30m
4-----No. of stages
From it, we can know the flow of this model pump is 46 m3/h
Head is 120m.
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