APG stocks the TEV80164, an AS568-164 black PTFE-Encapsulated Viton® 90 Shore A O-Ring with an inside diameter of 6.237 in (158.42 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 6.443 in (163.65 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
PTFE-Encapsulated Viton® is specified here for chemical inertness of PTFE with the memory of a rubber o-ring and long service life in aggressive chemical duty. Expect good resistance to aggressive oxidizers, steam, and strong acids and solvents. Rated temperature range runs from -75°F (-59.4°C) to 400°F (204.4°C) in continuous service.
You will find this material specified across aggressive-media valves and pumps, pharmaceutical manufacturing, and chemical processing.
Stocked as TEV80164 and sold individually. Nominal inside diameter is listed as 6 1/4 inch. Review your operating media and conditions against this specification before installation. 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 *568-164 FEP ENCAPSULATED VITON ORING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 6.237 inch (158.42 mm)
Actual Outside Diameter 6.443 inch (163.65 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium