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Multistage pump assembly

  • US 7,946,810 B2
  • Filed: 10/08/2007
  • Issued: 05/24/2011
  • Est. Priority Date: 10/10/2006
  • Status: Active Grant
First Claim
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1. A modular multistage pump assembly comprising:

  • a volute having a suction chamber and a pressure chamber, the volute having an inlet supplying fluid to the suction chamber and being configured to receive the fluid from a supply pipe, the volute having an outlet receiving fluid from the pressure chamber and being configured to supply the fluid to a discharge pipe;

    a pump stack having multiple stages, the pump stack receiving fluid from the volute and supplying pressurized fluid to the volute; and

    a modular flange coupled to each of the volute and the pump stack between the volute and the pump stack.

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