Part number E80PC431 is an AS568-431 black EPDM (EPR) 80 Shore A O-Ring built to an inside diameter of 5.225 in (132.72 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.775 in (146.69 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, EPDM (EPR) offers strong performance in outdoor and exposed installations, very good flexibility at low temperature. The material holds up against ozone, UV and weathering, ketones, and brake fluid. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C).
Common environments for this compound include solar and roofing assemblies, brake and phosphate ester systems, and HVAC and refrigeration.
This item is sold individually under part number E80PC431. Nominal inside diameter is listed as 5 1/4 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 -431 BLACK EPDM 80D O-RING
uf_description2 PEROXIDE CURED, 0.275" (6.99MM) CS X 5.225" (132.71MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 5.225 inch (132.72 mm)
Actual_OD 5.775 inch (146.69 mm)
ProductCode Description O-Rings - Bulk - Commodity