دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a pump consisting of a piston that moves back and forth or up and down in a cylinder. The cylinder is equipped with inlet (suction) and outlet (discharge) valves. On the intake stroke, the suction valves are opened, and fluid is drawn into the cylinder. On the discharge stroke, the suction valves close, the discharge valves open, and fluid is forced out of the cylinder.

n: A type of fluid pump in which reciprocating pistons or plungers displace the fluid.

a piston pump.