Characteristic curve of centrifugal pump

2015-08-22View Original

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This post was last edited by WQC on 2015-8-24 at 14:32. From the characteristic curve of centrifugal pumps, it can be seen that the head decreases as the flow rate increases. Why is this? The relationship between head and flow rate is a sloping line; why is that? Efficiency increases as the flow rate rises, then decreases again. Why is that? The relationship between efficiency and throughput is parabolic in nature; why is that?

Reply #22015-08-22

Could you send me the pump manual?

Reply #32015-08-22

I remember there used to be such a post; give it a search and take a look. A common-sense question.

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Characteristic curve of centrifugal pump

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