Ordinary centrifugal pumps need to be started with the valve closed, but how soon after the pump starts should the outlet valve be opened?

2010-09-19View Original

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Ordinary centrifugal pumps need to be started with the valve closed, but how soon after the pump starts should the outlet valve be opened?

Reply #22010-09-20

Generally, the time should be as short as possible; the speed at which the valve opens does not necessarily need to be fast, as long as there is a certain flow rate. It is mainly to prevent the material inside the pump from vaporizing due to rising temperature, which could damage the pump.

Reply #32010-09-20

Are there any relevant standards or guidelines?

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