Daily Archives: July 13, 2026

What Is NPSH in Centrifugal Pumps? NPSHa vs NPSHr Explained

What Is NPSH in a Centrifugal Pump? If you work with centrifugal pumps, you have heard the word NPSH. It stands for Net Positive Suction Head. In simple words, NPSH is the amount of pressure you have at the pump suction, measured in meters of liquid, above the vapor pressure of the liquid being pumped.…

Centrifugal Pump Cavitation: Causes, Symptoms and Prevention

What Is Centrifugal Pump Cavitation? Centrifugal pump cavitation is one of the most common reasons pumps fail early in the field. It happens when the pressure inside the pump drops too low, the liquid turns into small vapor bubbles, and those bubbles collapse with great force as they move into higher pressure zones. Each tiny…