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Engineering ToolBox > Pumps in Parallel or Serial Connection
Pumps can be arranged in serial or parallel to provide additional head or flowrate capacity.
When two (or more) pumps are arranged in serial, their resulting pump performance curve is obtained by adding heads at the same flowrate.
For two identical pumps the head will be twice the head of a single pump at the same flow rate.
When two or more pumps are arranged in parallel, their resulting performance curve is obtained by adding their flowrates at the same head.
For two identical pumps the flow rate will be twice the flowrate of a single pump at the same head.