Multistage pump assembly
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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Abstract
A modular multistage pump assembly includes a volute having a suction side and a pressure side, a pump stack having at least one stage, and a modular flange coupled to each of the volute and the pump stack.
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Citations
22 Claims
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1. A modular multistage pump assembly comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A multistage end-suction pump assembly comprising:
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a pump stack extending between a volute end and a head end, the pump stack including multiple stages of impellers aligned to rotate about a rotation axis; a modular flange coupled to the volute end of the pump stack; and a volute coupled to the modular flange, the volute includes an inlet and an outlet being oriented non-parallel with respect to one another. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification