Perspectives: Plant InSites

Is Pump Inlet Velocity Important?

An extensive review clarified its role in centrifugal pump selection

By Andrew Sloley, Contributing Editor
Nov 4, 2015

Some questions catch you by surprise. I certainly was caught off guard when someone at a plant asked: “Are centrifugal pump inlet velocity limits calculated based on the inlet piping or the inlet nozzle?” Quite honestly, I couldn’t ever remember paying any special attention to a pump inlet velocity when sizing lines or selecting pumps.

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