Part number E80PC277 is an AS568-277 black EPDM (EPR) 80 Shore A O-Ring with an inside diameter of 11.484 in (291.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 11.762 in (298.75 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
EPDM (EPR) is specified here for excellent hot water and steam resistance, very good flexibility at low temperature. This material stands up to ozone, UV and weathering, ketones, and brake fluid. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C).
It sees regular use in solar and roofing assemblies, potable water applications, and HVAC and refrigeration.
Order part number E80PC277, sold individually. Nominal inside diameter is listed as 11 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design. 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 -277 BLACK EPDM 80D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 11.484 inch (291.69 mm)
Actual Outside Diameter 11.762 inch (298.75 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity