Part number TES70438 is an AS568-438 red PTFE-Encapsulated Silicone 70 Shore A O-Ring built to an inside diameter of 6.225 in (158.12 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.775 in (172.09 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. Additional detail on this item: ORING 70 Durometer.
As a material, PTFE-Encapsulated Silicone delivers chemical inertness of PTFE with the wide temperature range of silicone and a seamless PTFE jacket over a resilient silicone core. It resists steam, strong acids and solvents, and nearly all process chemicals. Service temperature is rated from -75°F (-59.4°C) through 400°F (204.4°C). It should not be specified for service in tight-radius dynamic flexing or installation over sharp edges.
Typical settings include pharmaceutical manufacturing, food and beverage processing, and chemical processing.
Stocked as TES70438 and sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description *568-438 FEP ENCAPSULATED SILICONE
uf_description2 ORING 70 DUROMETER
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 6.225 inch (158.12 mm)
Actual_OD 6.775 inch (172.09 mm)
ProductCode Description O-Rings - Bulk - Premium