Hydraulic Cylinder Rod in Pakistan BR6854 Description Hydraulic cylinders work by using hydraulic fluid (usually oil) to create pressure . There is a piston rod that is connected to a piston. This moves back and forth inside a cylinder barrel. ... The force (F) of a piston rod will equal the pressure (P) in the cylinder times the area of the piston (A). Specifications: Shape Cylindrical Grade A Color Silver Brand Excel Industries Usage/Application All