Impeller Selection

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  • The specific speed of centrifugal pump is defined as speed of geometrical Similar pump which would deliver one cubic meter of liquid per second against head of one meter

  • It is a function of shaft speed, flow rate, and differential head at the pump Best Efficiency Point 


Sp.Speed

  • It is a key consideration in the design and selection of pumps, and particularly pump impellers, is specific speed.


https://www.michael-smith-engineers.co.uk/mse/uploads/UsefulInfo/SpecificSpeed/specific-speed-fig1.JPG

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