APG stocks the TES70174, an AS568-174 red PTFE-Encapsulated Silicone 70 Shore A O-Ring with an inside diameter of 8.737 in (221.92 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.943 in (227.15 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint. The catalog record notes: ORING 70 Durometer.
The material holds up against nearly all process chemicals, wide temperature swings, and strong acids and solvents. That behavior comes from the compound itself: PTFE-Encapsulated Silicone offers strong resistance to permeation and chemical inertness of PTFE with the wide temperature range of silicone. Service temperature is rated from -75°F (-59.4°C) through 400°F (204.4°C).
Common environments for this compound include cryogenic and high-temperature equipment, chemical processing, and food and beverage processing.
This item is sold individually under part number TES70174. Nominal inside diameter is listed as 8 3/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description 568-174 FEP ENCAPSULATED SILICONE
uf_description2 ORING 70 DUROMETER
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 8.737 inch (221.92 mm)
Actual_OD 8.943 inch (227.15 mm)
ProductCode Description O-Rings - Bulk - Premium