568-440 FEP ENCAPSULATED SILICONE

Part number TES70440 is an AS568-440 red PTFE-Encapsulated Silicone 70 Shore A O-Ring measuring an inside diameter of 6.725 in (170.82 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.275 in (184.79 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Supplementary detail from the product record: ORING 70 Durometer.

PTFE-Encapsulated Silicone is specified here for strong resistance to permeation and seamless PTFE jacket over a resilient silicone core. This material stands up to nearly all process chemicals, strong acids and solvents, and steam. Continuous operating temperature is published at -75°F (-59.4°C) to 400°F (204.4°C).

Typical settings include chemical processing, cryogenic and high-temperature equipment, and pharmaceutical manufacturing.

TES70440 ships individually. Nominal inside diameter is listed as 6 3/4 inch. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.