The physics applied behind a hydraulic air bottle jacks follows Pascal’s principle. It simply signifies that the liquid inside a container is incompressible that results in similar pressure within a container at each point. The basic working of hydraulic jacks depends on the force generated by pressure.

While lifting heavy loads, the jacks use pump plungers to move oil via two cylinders. The plunger is drawn back initially and opens the suction valve ball that draws the oil into the pump chamber. When the plunger is pushed forward, the oil is moved into the cylinder chamber through the external discharge check valve. This results in closing of suction valve and pressure building within the cylinder.

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