Ordered as E80PC386, this is an AS568-386 black EPDM (EPR) 80 Shore A O-Ring measuring an inside diameter of 16.955 in (430.66 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 17.375 in (441.33 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, EPDM (EPR) is valued for strong performance in outdoor and exposed installations, very good flexibility at low temperature. The material holds up against ozone, UV and weathering, dilute acids and alkalis, and water and steam. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C).
Maintenance and OEM teams specify it across brake and phosphate ester systems, HVAC and refrigeration, and solar and roofing assemblies.
Reference part number E80PC386 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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 -386 BLACK EPDM 80D O-RING
uf_description2 PEROXIDE CURED, 0.210" (5.33MM) CS X 16.955" (430.66MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 16.955 inch (430.66 mm)
Actual_OD 17.375 inch (441.33 mm)
ProductCode Description O-Rings - Bulk - Commodity