'hydraulic cylinder testing and inspection process'

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

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Mill – Type are cylinders designed to fill a need for a more durable, more reliable product to reduce down-time and maintenance costs.

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Telescopic cylinders are used when an application requires a compact retracted dimension, but needs a longer stroke. These cylinders are generally single acting and are available in two to five stages. Common mounting options for telescopic cylinders are trunnion and cross-tube.

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Tie-rod cylinders are most often used in industrial applications. They use high strength, threaded steel rods and nuts to hold square or rectangular end caps to each end of the cylinder barrel. Seals are placed between the barrel and end cap to prevent leakage

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Telescopic cylinders are used when an application requires a compact retracted dimension, but needs a longer stroke. These cylinders are generally single acting and are available in two to five stages. Common mounting options for telescopic cylinders are trunnion and cross-tube.

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The working principle of single-acting cylinders are to transfer hydraulic fluids or an output force in one direction only. Within the cylinder, the piston rod can push outwards but cannot pull back, therefore requiring a force in the opposite direction to return the rod back to its original position.

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O-rings are used to seal all kinds of devices to keep them operating and safe. They do so by keeping necessary fluids in hydraulic systems and unwanted fluids and contaminants out.

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Prefill valve is a drain valve which drains oil between the cylinder and tank. The prefill valve prevents the oil from flowing from the Hydraulic cylinder to the main tank while pressurizing inversely the hydraulic cylinder will make oil drain to the tank when reversion.

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The purpose of a flow control valve is to regulate the flow rate in a specific portion of a hydraulic circuit. In hydraulic systems, they’re used to control the flow rate to motors and cylinders, thereby regulating the speed of those components.

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