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An inducer in a pump is a component that increases the fluid velocity at the inlet, reducing the risk of cavitation by raising the fluid pressure. A diffuser, on the other hand, is a component that decelerates the fluid and converts kinetic energy into pressure energy as the fluid exits the impeller. In summary, the inducer boosts inlet fluid velocity to prevent cavitation, while the diffuser slows down the fluid and increases pressure before it exits the pump.
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EzraInducer in pump used to reduce the NET POSITIVE SUCTION HEAD Required (NPSHr). NPSHa should be more than NPSHr. NPSHr depends upon pump design and NPSHa depends upon Head in application. If NPSHr is more than NPSHa, We can reduce the same by fixing inducer in front of impeller.
Diffuser used to increase the pressure. Diffuser is the static part around the impeller. It decreases the velocity of fluid which rotates by impeller and increases performance.
MANIKANDAN
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