Reciprocating pump flow and head pressure has nothing to do with the size of the pump cylinder, piston stroke and reciprocation frequency. The theoretical flow of a single-acting pump is QT = Asn. The actual flow of the reciprocating pump is smaller than the theoretical one and decreases with the increase of the pressure head due to the leakage. Reciprocating pump head and pump flow and pump geometry has nothing to do, but by the pump mechanical strength, the power of the prime mover and other factors.
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