-420 BLACK AFLAS 80D O-RING

Ordered as A80420, this is an AS568-420 black Aflas (TFE/P) 80 Shore A O-Ring built to an inside diameter of 3.85 in (97.79 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.4 in (111.76 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Aflas (TFE/P) is specified for high-temperature steam capability that most fluoroelastomers cannot match and proven performance in aggressive downhole environments. Expect good resistance to brake fluids and phosphate esters, strong bases, and sour gas and hydrogen sulfide. Rated temperature range runs from -25°F (-31.7°C) to 450°F (232.2°C) in continuous service.

Maintenance and OEM teams specify it across power generation, downhole tooling, and chemical processing.

Stocked as A80420 and sold individually. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.