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  1. jimdvfd

    Recirculation loop to boost NPSH

    By the way 760 torr is 14.7 psi so 15 torr in the tank is .29 psia
  2. jimdvfd

    Recirculation loop to boost NPSH

    To answer some of your questions. The flow rate is 160 GPM. I’m drawing the fluid from a tank that is at 15 torr. The pump is mounted below the tank and the fluid level in the tank is only 3 ft. without major reconstruction I can’t lower the pump. What I’m looking for is what recirculation...
  3. jimdvfd

    Recirculation loop to boost NPSH

    I have a water based product that I need to pump from a tank that will result in a NPSH of 3 ft. All the pumps I can locate need at least 5 ft to operate. I have heard the a Recirculation loop can be installed to increase the NPSH. The velocity pressure from the loop directed into the suction...
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