Centrifugal pumps are in very widespread use. The diagram at the left shows a centrifugal pump set up with a motor to drive it. The pump is partially cut away to show a bit about how it works. The diagram at the right shows a cutaway

centrifugal pump diagram with the parts labeled. The pump impeller rotates within the pump housing (sometimes called the volute), thus causing a reduced pressure at the inlet (suction) side of the pump. The rotary motion of the impeller drives the fluid to the outside of the pump volute, increasing its pressure, and sending it out of the pump discharge, as shown in the diaphragm.

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2012-05-24

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