Parallel and series connection of centrifugal pumps

2018-09-08View Original

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Association Revised Guidelines 3.3.2.4(3) Parallel and Series Connection of Centrifugal Pumps: “If the resistance-performance curve of the delivery system starts at a point below the shut-off head of a single pump (flow rate Q = 0), then when two pumps are connected in series, not only does the head increase, but the flow rate also increases.” ”Is there something wrong with that sentence above? ? ? If the starting point of the resistance performance curve of the delivery system is higher than the shut-off head of a single pump, then there is no operating point; therefore, it must necessarily be lower than the shut-off head of a single pump. There is no such thing as a \"if\" situation. Is there anything wrong with this understanding?

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Parallel and series connection of centrifugal pumps

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