This o-ring is supplied in AS568-391 black Aflas (TFE/P) 80 Shore A with an inside diameter of 21.953 in (557.61 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 22.373 in (568.27 mm), catalogued under part number A80391. It compresses into its gland to block fluid or gas migration across a joint.
Aflas (TFE/P) is valued for high-temperature steam capability that most fluoroelastomers cannot match and exceptional resistance to amine-based additives. Expect good resistance to amines and corrosion inhibitors, hot water, and sour gas and hydrogen sulfide. Service temperature is rated from -25°F (-31.7°C) through 450°F (232.2°C). Verify compatibility before use with low-temperature dynamic service or aromatic hydrocarbons.
Typical settings include power generation, geothermal equipment, and chemical processing.
This item is sold individually under part number A80391. Nominal inside diameter is listed as 22 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -391 BLACK AFLAS 80D O-RING
uf_description2 0.21" (5.33MM) CS X 21.953" (557.61MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 21.953 inch (557.61 mm)
Actual_OD 22.373 inch (568.27 mm)
ProductCode Description O-Rings - Bulk - Premium