Why centrifugal pump is not called as a positive displacement type of pump?



Why centrifugal pump is not called as a positive displacement type of pump?..

Answer / Javed Siddique

Centrifugal pumps are not classified as positive displacement pumps because they do not displace a fixed volume of fluid with each rotation like gear, piston or diaphragm pumps. Instead, centrifugal pumps increase the pressure by converting rotational kinetic energy into hydraulic energy.

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