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Working Principle and Typical Structure of Centrifugal Pumps

Mar 19,2026

Summary: Centrifugal pumps use the centrifugal force generated by a rotating impeller to impart energy to the liquid, achieving conveyance.
Working Principle and Typical Structure of Centrifugal Pumps

Centrifugal pumps use the centrifugal force generated by a rotating impeller to impart energy to the liquid, achieving conveyance. Liquid is drawn in axially, accelerated by the impeller, and discharged radially. Its typical structure mainly includes the impeller, pump casing (volute), shaft, bearings, and sealing devices. Based on the impeller suction method, they can be single-suction or double-suction; based on the number of stages, they can be single-stage or multi-stage centrifugal pumps to meet different head requirements.

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