What should be done when starting a centrifugal pump?

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When starting a centrifugal pump, it is crucial to ensure the suction side valve is open and the pump is primed. This procedure allows for the proper flow of liquid into the pump, which is essential for operation. If the suction side valve is closed, the pump will not receive any fluid, potentially leading to damage due to running dry, which can create excessive heat and cause the pump components to wear out or fail.

Priming the pump involves filling it with the liquid that it will be pumping, which removes air pockets and creates the necessary pressure differential for fluid movement. This step prevents cavitation, a condition where vapor bubbles form and collapse in the pump, leading to erosion and potentially damaging the pump over time.

By ensuring both the suction side valve is open and the pump is primed, the system can operate effectively and safely, maintaining the integrity and efficiency of the pump.

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