Centrifugal Pump Failure Solutions EBook
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Centrifugal pumps are common in a wide variety of applications. We will focus on failures due to cavitation, which can be difficult to diagnose and correct. The formation and collapse of vapor filled bubbles is called cavitation. This process occurs in regions inside of a pump where the pressure drops below the vapor pressure of the fluid (the vapor pressure of the fluid is the pressure at which a fluid begins to boil or vaporize). Cavitation occurs when the Net Positive Suction Head Required (NPSHR) of the pump is not satisfied. This can result in significant damage to the pump.