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  1. Marbig

    NPSHa using pressure gauge

    Thanks everyone! Really appreciate the replies NPSH = (101.3e3 + P - Pv)/(rho.g) =(101.3e3 + 14.5e3 - 2.4e3)/(1030x9.8) = (113.4e3)/(1030x9.8) =11.23m NPSHa = 11.23m NPSHr = 1.5m I think I am missing something here or doing something wrong. Description of the installation: The pump sits...
  2. Marbig

    NPSHa using pressure gauge

    Hi everyone, This might be embarrassing, but it has me stumped. I am looking at a pump that is possibly cavitating. What I want to see is if the NPSH available is meeting what the pump was selected for. So the pump is designed for a NPSH of 1.5m of sea water (this is the duty point on the...

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