The TES70239 is an AS568-239 red PTFE-Encapsulated Silicone 70 Shore A O-Ring built to an inside diameter of 3.609 in (91.67 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.887 in (98.73 mm). This 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.
PTFE-Encapsulated Silicone is specified here for non-contaminating, non-stick sealing surface and seamless PTFE jacket over a resilient silicone core. Expect good resistance to steam, wide temperature swings, and nearly all process chemicals. Published continuous service range is -75°F (-59.4°C) to 400°F (204.4°C).
Typical settings include food and beverage processing, cryogenic and high-temperature equipment, and chemical processing.
Stocked as TES70239 and sold individually. Nominal inside diameter is listed as 3 5/8 inch. Check the compound against your process media, pressure and temperature before committing to a design. 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.
description 568-239 FEP ENCAPSULATED SILICONE
uf_description2 ORING 70 DUROMETER
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 3.609 inch (91.67 mm)
Actual_OD 3.887 inch (98.73 mm)
ProductCode Description O-Rings - Bulk - Premium