355-7372: PISTON

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Description:
A U-cup seal, also known as a U-ring seal, is a type of sealing device used in hydraulic systems, including hydraulic hammers. It is designed to prevent fluid leakage and maintain pressure within the hydraulic cylinder or piston. It is installed in a groove or housing within the hydraulic hammer cylinder or piston, where it forms a tight seal against the surrounding surfaces. As the hydraulic hammer operates, it moves along with the piston or cylinder, maintaining contact with the surfaces and preventing fluid leakage.

Attributes:
• Designed to withstand high pressure.
• Designed to withstand high and low temperatures.
• Withstands the abrasive nature of hydraulic fluids and resist wear over time.

Applications:
A U-cup seal is used to maintain the efficiency and performance of the hydraulic system by preventing fluid loss, ensuring optimal pressure, and minimizing contamination. It is extensively used in Cat 120, H120CS, H120S Ripper, 315, 315D, 319D, 320C, 320D, 321D, 322C, 323D, 324D, 325C, 325D, M315D, M316D, M318D, and M322D Excavators, H120 and H120E Work Tools.

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