APG stocks the TEV80466, an AS568-466 black PTFE-Encapsulated Viton® 90 Shore A O-Ring built to an inside diameter of 18.455 in (468.76 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 19.005 in (482.73 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Expect good resistance to steam, strong acids and solvents, and aggressive oxidizers. PTFE-Encapsulated Viton® is known for long service life in aggressive chemical duty and a seamless PTFE jacket over a resilient elastomer core. The material carries a published service range of -75°F (-59.4°C) to 400°F (204.4°C).
It sees regular use in pharmaceutical manufacturing, chemical processing, and food and beverage.
Reference part number TEV80466 when ordering; the item is sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description 568-466 FEP ENCAPSULATED VITON ORING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 18.455 inch (468.76 mm)
Actual Outside Diameter 19.005 inch (482.73 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium