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How does a centrifugal pump work?

An electric motor drives the pump shaft on which the impeller sits. The water, which axially enters the impeller through the suction opening and the suction neck, is diverted by the impeller blades in a radial movement.

The centrifugal forces on the liquid particles increase the pressure as well as the speed during the flow of the blades.

After leaving the impeller, the fluid is collected in the pump housing. Due to the construction of the housing, the flow speed is again slightly reduced. The energy conversion further increases the pressure.


Section of a glandless pump: The pump medium enters the impeller axially and is conveyed radially onward.

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