Pump Cavitation Explained! What is cavitation in a pump and how to prevent it? Cavitation in pumps is the rapid creation and subsequent collapse of air bubbles in a fluid. Learn more about cavitation in pumps and steps you can take to prevent it from happening.

Bubbles might not seem very powerful, but the types of bubbles in pumping systems are nothing like the ones you make by waving a wand around with little kids. Tiny bubbles created by changes in pressure inside pumps collapse and create shock waves that occur over and over and the repeated shocks erode the components.

When the Net Positive Suction Head Available (NPSHa) is lower than the Net Positive Suction Head Required (NPSHr), cavitation will begin to occur.
In many cases, the force of cavitation is strong enough to pit metal components of the pump, like the impeller, and damage pump seals.

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