What determines the output of a piston pump?

The output of a piston pump is primarily determined by the displacement of the piston in the cylinder. Displacement refers to the volume of fluid that is moved by the piston during each cycle. This volume is a function of the diameter and stroke length of the piston. The greater the displacement, the more fluid the pump can move, directly affecting the pump's output capacity.

When the piston moves within the cylinder, it creates a pressure differential that draws fluid into the chamber during the intake stroke and forces it out during the discharge stroke. The efficient movement of the fluid is contingent on this displacement value, making it a fundamental aspect of the pump's design and functionality.

While the speed of the pump motor can influence the flow rate, the actual volume of output is dictated by how much fluid the piston can transfer per cycle. The type of fluid being pumped can affect performance characteristics like viscosity, which can impact efficiency but does not change the output volume directly. The length of the hose can introduce pressure losses due to friction, but again, it does not fundamentally determine the output of the pump itself.