-253 BLACK AFLAS 80D O-RING

This o-ring is supplied in AS568-253 black Aflas (TFE/P) 80 Shore A built to an inside diameter of 5.359 in (136.12 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.637 in (143.18 mm), catalogued under part number A80253. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Aflas (TFE/P) is specified here for high-temperature steam capability that most fluoroelastomers cannot match and strong resistance to rapid gas decompression. The compound resists hot water, amines and corrosion inhibitors, and high-temperature steam. Published continuous service range is -25°F (-31.7°C) to 450°F (232.2°C). Verify compatibility before use with low-temperature dynamic service or aromatic hydrocarbons.

It sees regular use in geothermal equipment, oil and gas production, and chemical processing.

This item is sold individually under part number A80253. Unit weight is approximately 0.0077 g and nominal inside diameter is listed as 5 3/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.