APG stocks the A80158, an AS568-158 black Aflas (TFE/P) 80 Shore A O-Ring built to an inside diameter of 4.737 in (120.32 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.943 in (125.55 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Aflas (TFE/P) is specified for exceptional resistance to amine-based additives and excellent electrical insulating properties. This material stands up to strong bases, amines and corrosion inhibitors, and brake fluids and phosphate esters. Published continuous service range is -25°F (-31.7°C) to 450°F (232.2°C). It should not be specified for service in low-temperature dynamic service or some chlorinated solvents.
It sees regular use in chemical processing, downhole tooling, and oil and gas production.
Stocked as A80158 and sold individually. Unit weight is approximately 3.3461 g and nominal inside diameter is listed as 4 3/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. 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 -158 BLACK AFLAS 80D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 4.737 inch (120.32 mm)
Actual Outside Diameter 4.943 inch (125.55 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium