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Question:

Allowable circumferential velocity of pump impeller material

When selecting the pump impeller material, it is found that the maximum allowable line speed is allowed. Who would like to know the allowable circumferential velocity of this material for 5-5-5 Bronze? Where can I find it?

Answer:

It can be estimated according to the yield limit and the safety factor of the material.
The force of the material can be estimated according to the maximum linear velocity. If the velocity is too high, it will exceed the yield limit of the material and lead to deformation failure
For example: at a certain line speed, the force of the impeller (due to centrifugal force stress) should be no greater than the yield limit of the material / safety factor

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