Hebei Tuohua Pump Industry Co., LTD
The working principle of water pumps varies depending on the type.
Nov 20,2025
Positive-displacement pump: It transfers energy by utilizing the periodic change in the volume of its working chamber, thereby enabling the transportation of liquids.
Vane pumps rely on rotating blades to transfer mechanical energy to the fluid. Common types include centrifugal, axial-flow, and mixed-flow pumps. In a centrifugal pump, liquid is flung outward and forced into the volute casing by the centrifugal force generated as the impeller spins at high speed, creating a vacuum that allows water from the reservoir to be drawn in through the suction pipe—thanks to external atmospheric pressure—and continuously pushed out. An axial-flow pump, on the other hand, uses the thrust produced by the high-speed rotation of its impeller to lift water upward. Meanwhile, a mixed-flow pump combines both centrifugal and lift forces in its operation.
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No. 61, Anbang District, Shifo Village, Shifo Town, Anguo City, Baoding City, Hebei Province, China
