A pump? Literally “A machine or device for raising, compressing, or transferring fluids”.
Centrifugal pumps are the most common type of pump. A centrifugal pump uses one or more impellers attached to and rotating with the shaft providing the energy that moves liquid through the pump.
This movement also pressurises the liquid to move it through the piping system.
A centrifugal pump works by directing the liquid in the system into the suction port of the centrifugal pump and from there into the inlet of the impeller.
The rotating impeller moves the liquid along the spinning vanes, increasing its velocity energy into the pump volute or diffuser casing.
This is where the high velocity of the fluid is converted into high pressure through a diffusion process to be guided into the outlet port.
From there it is moves into the system, or on to the next stage in the case of a multi-stage centrifugal pump.
For a copy of the ecex leaflet please click Pumps, valves & pipework
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