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Shear pump is one kind of centrifugal pump. Mud get a certain amount of kinetic energy while leaving impeller under the impeller rotating centrifugal force. Mud also get some certain of pressure in the pump housing, the pressure does not vary with the change of time, pump outlet size, but only depends on shear pump impeller structure, size, and rotating speed.

Driving motor and shear pump connected directly with belt. Design speed of impeller is 2200RPM (max.).  Under normal working situation, for 50hz motor, max. speed of shear pump impeller is 1480rpm, much smaller than the design speed. The maximum pressure generated from high speed rotating of impeller centrifugal force is constant. The max. shear pump pressure is 0.45MPa. The outlet pipeline and pump casing can surely withstand the pressure.


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