How should the speed of the motor attached to the pump be selected?

2016-01-13View Original

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How should the speed of the motor attached to the pump be selected?

Reply #22016-01-13

It is related to your pump’s efficiency, head, flow rate, and shaft power; the speed of multi-stage motors is always less than 2950, so the conveying power is relatively low

Reply #32016-01-13

Set the motor speed according to the rotational speed required for your pump to operate.

Reply #42016-01-13

Is there a precise calculation method?

Reply #52016-01-14

First, select the pump through calculations; then, based on the pump’s speed, a synchronous motor is generally chosen. If the pump’s speed is too high, it may be necessary to use a gearbox to select the appropriate motor

Reply #62016-01-14

By calculation, the selected pumps are generally standard pumps, right? When making purchases, do we always specify head, flow rate, and speed directly? The head and flow rate are both calculated, while there is no basis for the rotational speed – isn’t this approach a bit irregular?

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