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  1. Victordelahoya

    Evaluating Pump Efficiency

    Evaluating Pump Design There’s a pump with spec: Q = 450 m3/h H = 95 m BEP = 83% Hazen-William formula requires to determine the flow rate first to get head loss. The pump is 5 years old, so I think 400 m3/h (111 l/sec) is fair enough(?). After calculating head loss and head static, I get 70 m...

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