APG stocks the TES70471, an AS568-471 red PTFE-Encapsulated Silicone 70 Shore A O-Ring supplied with an inside diameter of 21.955 in (557.66 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 22.505 in (571.63 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope. The catalog record notes: ORING 70 Durometer.
PTFE-Encapsulated Silicone is known for a seamless PTFE jacket over a resilient silicone core and strong resistance to permeation. Expect good resistance to nearly all process chemicals, wide temperature swings, and strong acids and solvents. Rated temperature range runs from -75°F (-59.4°C) to 400°F (204.4°C) in continuous service. Verify compatibility before use with installation over sharp edges or tight-radius dynamic flexing.
Common environments for this compound include food and beverage processing, cryogenic and high-temperature equipment, and pharmaceutical manufacturing.
Order part number TES70471, sold individually. Nominal inside diameter is listed as 22 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 568-471 FEP ENCAPSULATED SILICONE
uf_description2 ORING 70 DUROMETER
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 21.955 inch (557.66 mm)
Actual_OD 22.505 inch (571.63 mm)
ProductCode Description O-Rings - Bulk - Premium