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  • Users: timmyc00
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  1. timmyc00

    Cavitation or deadhead?

    I have a sump pump pumping from a pit below the suction line with a center to center height difference of 10'. The pump is a Gould's 3796 MTX 3x3-13 with a 12 1/8" impeller running at 1765 RPM on a 20 hp motor. The service is water at 70 deg F. The discharge pressure directly downstream of...
  2. timmyc00

    Sump pump discharge head

    I am new to centrifugal pumps. I have a pump above a sump open to atmosphere by 12'. There is a pressure gauge on the discharge of the pump reading 40 psi. When I look at the pump curve, do I add in the 12' of head to the 40 psi, or just read the 40 psi? Also, when the level drops in the...

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