Common Centrifugal Pump Terms in Plain English

The terminology of a technical subject is key to understanding it. The language of modern pump technology has evolved for well over a hundred years. During this period, meanings of terms have changed. Good definitions are sometimes difficult to find. In nearly four decades of experience I’ve

double suction pump profile

Is there any confusion about NPSH?

Net Positive Suction Head (NPSH) is perhaps the most misunderstood concept in pumping technology.  The main source of confusion stems from multiple uses of the term in different but related contexts. One usage of the term NPSH is to denote the suction performance characteristic of the pump