Loaded U-Cups (PolyPak)

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  • Regular price $0.00


Loaded U-cups were primarily designed for dynamic reciprocating applications. The O-rings loader makes this seal excellent for low-pressure rod and piston applications. With loaded U-cups as the system pressure increases, so does the force on the loading lips. Sealing force automatically compensates for the higher pressure, maintaining a positive seal.

A variety of styles, materials and sizes are available to suite your specific requirements.