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Centrifugal pump type

Mar 28, 2017

First, classified according to number of impellers

1, single-stage pump: only an impeller on the pump shaft.

2, multi-stage pump: on the pump shaft has two or more impellers, pump total head for n of impeller and lift.

Multistage centrifugal pumps

Multistage centrifugal pumps

Second, classified according to working pressure

1, low pressure pump: pressure is less than 100 m water column;

2, pump pressure: the pressure is between 100~650 m water column;

3, high pressure pump: pressure is higher than the 650 m water column.

Third, classified according to impeller suction mode

1, single-water pump: also called single suction pump, the impeller is only one inlet;

2, double side-water pump: also called double suction pump, that is, on both sides there is an inlet of the impeller. It 1 time times greater rate than single-suction pump, can be approximated as the two single suction pump the impeller back in together.