Joe Evans
Curve shapes reveal a pump's range of peak efficiency.
Addressing Net Positive Suction Head (NPSH) and its relationship to cavitation
Despite his retirement from writing for Pumps & Systems, Joe Evans’ trove of how-to articles remains among the most read on the website. Evans worked for PumpTech, Inc., and Pentair, developing a reputation as a leading voice in the industry. He may be reached via his website PumpEd101.com.