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Technical blueprint graph illustrating the Pump Affinity Laws: Linear Flow, Squared Head, and Cubic Power relationships.
Pump Affinity Laws: Formulas & Engineering Guide impeller trimming pump affinity laws pump speed scaling static head trap the cube law vfd energy savings Jan 06, 2026

A set of quick, reliable scaling rules can save hours in pump selection meetings and prevent expensive trial and error in the field. The pump affinity laws do exactly that for centrifugal, rotodynamic...

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