Multi-stage pumps (F04D1/02, F04D13/10 take precedence)

Full Title

Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D7/00; priming or boosting F04D9/00) > Multi-stage pumps (F04D1/02, F04D13/10 take precedence)

Child Classifications

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• F04D 1/063
• F04D 1/08 the stages being situated concentrically
• F04D 1/10 with means for changing the flow-path through the stages, e.g. series-parallel, e.g. side loads