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What is the maximum suction head that a centrifugal pump can achieve? What are the methods to increase suction lift?

2018-10-24View Original

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What is the maximum suction head that a centrifugal pump can achieve? What are the methods to increase suction lift? How is the suction lift calculated?
Reply #22018-10-24
It is necessary to consider the required net positive suction head of the pump, the saturated vapor pressure of the medium, the local atmospheric pressure, and the density of the medium.
Reply #32018-10-24
I saw that it’s said the maximum inhalation distance is 9.3 meters; I’m not sure where that figure comes from. Is this also a value that takes into account a safety factor?
Reply #42018-10-24
This refers only to water; if it were mercury, 1 atmosphere would be only 760 mm
Reply #52018-10-24
Sub-supreme edition, where did this image come from? Are the samples from your company or from some book?

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