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Posted 11/16/2007 9:31:58 AM
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any body knows the equation of how to calcualte the hp of a pump if the flow and TDH are known?

I need to have hp to calculate the operation cost for a WTP.

Thanks.

Post #7480
Posted 11/16/2007 12:30:47 PM
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Thp =  gpm X TDH / 3960

Thp / pump Eff. X motor Eff= Bhp (actual needed)

Bob Whitworth

Post #7484
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