The Portion of the volute that extends closest to the Impeller is called cutwater.
So the clearance between the Vane and Cutwater portion of casing at the discharge is known as cutwater clearance
So the clearance between the Vane and Cutwater portion of casing at the discharge is known as cutwater clearance
Some of the liquid passes the cutwater and stays inside the pump for another trip around the volute. However, most of the liquid passes the cutwater and decides to exit the pump through the discharge nozzle.
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