Ordered as TEV80468, this is an AS568-468 black PTFE-Encapsulated Viton® 90 Shore A O-Ring built to an inside diameter of 19.455 in (494.16 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 20.005 in (508.13 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
PTFE-Encapsulated Viton® is specified here for non-stick sealing surface that resists fouling, excellent resistance to permeation and contamination. Expect good resistance to steam, aggressive oxidizers, and nearly all process chemicals. Service temperature is rated from -75°F (-59.4°C) through 400°F (204.4°C). Applications involving service requiring tight-radius dynamic flexing or installation over sharp edges without care call for a different compound.
Common environments for this compound include food and beverage, semiconductor equipment, and pharmaceutical manufacturing.
Order part number TEV80468, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 568-468 FEP ENCAPSULATED VITON ORING
uf_description2 90 DUROMETER
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 19.455 inch (494.16 mm)
Actual_OD 20.005 inch (508.13 mm)
ProductCode Description O-Rings - Bulk - Premium