568-244 FEP ENCAPSULATED SILICONE

This o-ring is supplied in AS568-244 red PTFE-Encapsulated Silicone 70 Shore A measuring an inside diameter of 4.234 in (107.54 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.512 in (114.6 mm), catalogued under part number TES70244. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. This item is further identified as ORING 70 Durometer.

PTFE-Encapsulated Silicone is specified for a non-contaminating, non-stick sealing surface and chemical inertness of PTFE with the wide temperature range of silicone. The compound resists steam, strong acids and solvents, and wide temperature swings. Published continuous service range is -75°F (-59.4°C) to 400°F (204.4°C). Verify compatibility before use with tight-radius dynamic flexing or installation over sharp edges.

Common environments for this compound include cryogenic and high-temperature equipment, pharmaceutical manufacturing, and chemical processing.

Stocked as TES70244 and sold individually. Nominal inside diameter is listed as 4 1/4 inch. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.