Gauges & Meters

A pressure gauge is used to measure the pressure per square inch (PSI) of the fluid moving through the system. PSI is created when flow, produced by the pump, meets resistance. Resistance is created when the pump forces fluid through the hydraulic components in the system, like a valve and cylinder, because the components have small orifices that fluid must move through. PSI becomes greater as more resistance is created, such as when a cylinder is used to lift or move a load. This is due to the external forces acting on the hydraulic components and internal movement of the fluid.

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