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Double Acting Cylinder Pump Working Principle 3D Animation

A double-acting cylinder is a cylinder in which the working fluid acts alternately on both sides of the piston. In order to connect the piston in a double-acting cylinder to an external mechanism.

source/image(PrtSc): Engine On

Such as a crank shaft, a hole must be provided in one end of the cylinder for the piston rod, and this is fitted with a gland or “stuffing box” to prevent escape of the working fluid. Double-acting cylinders are common in steam engines but unusual in other engine types.

A double-acting hydraulic cylinder has a port at each end, supplied with hydraulic fluid for both the retraction and extension of the piston.

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A double-acting cylinder is used where an external force is not available to retract the piston or it can be used where high force is required in both directions of travel./wikipedia