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20 Jun 2019

Notes on NPSH Testing

In pump literature, much has been written and continues to be written about NPSH (Net Positive Suction Head) and cavitation. As career pump engineer,

02 Apr 2014

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.

15 Aug 2013

Suction – It’s Not What You Think It Is

Suction is often defined as a force that causes a fluid or a mixture to be drawn into an interior space. Some dictionaries more accurately define

01 May 2011

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

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