What is Cavitation in Centrifugal pumps? 2 marks

What is Cavitation in Centrifugal pumps?

Cavitation in centrifugal
Cavitation in centrifugal


Cavitation are the formation of bubbles or cavities in liquid, developed in areas of relatively low pressure around an impellor. The imploding or collapsing of these bubbles triggers intense shockwaves inside the pump, causing significant damage to the impeller and/or the pump housing.

If left untreated, pump cavitation can cause:

  • Failure of pump housing.
  • Destruction of impeller.
  • Excessive vibration- leading to premature seal and bearing failure.
  • Higher than necessary power consumption.
  • Decreased flow and/or pressure.

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