The E80PC281 is an AS568-281 black EPDM (EPR) 80 Shore A O-Ring measuring an inside diameter of 14.984 in (380.59 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 15.262 in (387.65 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.
The compound resists water and steam, phosphate ester hydraulic fluids, and brake fluid. EPDM (EPR) offers outstanding weather, ozone and sunlight resistance, good electrical insulating characteristics. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service. Applications involving aromatic hydrocarbons or petroleum oils and fuels call for a different compound.
Common environments for this compound include solar and roofing assemblies, water and steam systems, and potable water applications.
Order part number E80PC281, sold individually. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -281 BLACK EPDM 80D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 14.984 inch (380.59 mm)
Actual Outside Diameter 15.262 inch (387.65 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity