For self-priming pumps, can a vacuum tank combined with a centrifugal pump be used as a substitute?

2019-06-17View Original

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Can a self-priming pump be replaced with a vacuum tank and a centrifugal pump? I need a vacuum tank with a suction lift of 6 to 8 meters. If a centrifugal pump is used instead, what size vacuum tank will be required? Can a negative pressure tank achieve a negative pressure of 80 kPa? Please ask an expert to help answer this

Reply #22019-06-17

Calculated based on the volume of the inlet pipeline

Reply #32019-06-17

The volume also needs to be determined based on the pump’s flow rate

Reply #42019-06-18

Under normal conditions, the suction lift height of a self-priming pump is about 4 meters. For suction heights of up to 5 meters, a vacuum water lift tank combined with a pipeline pump can be used as an alternative.

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For self-priming pumps, can a vacuum tank combined with a centrifugal pump be used as a substitute?

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