The E80PC444 is an AS568-444 black EPDM (EPR) 80 Shore A O-Ring measuring an inside diameter of 7.725 in (196.22 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 8.275 in (210.19 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
It resists brake fluid, ozone, UV and weathering, and phosphate ester hydraulic fluids. EPDM (EPR) delivers good electrical insulating characteristics, outstanding weather, ozone and sunlight resistance. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C).
You will find this material specified across solar and roofing assemblies, HVAC and refrigeration, and brake and phosphate ester systems.
This item is sold individually under part number E80PC444. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description -444 BLACK EPDM 80D O-RING
Actual Outside Diameter 8.275 inch (210.19 mm)
Actual Inside Diameter 7.725 inch (196.22 mm)
Actual Cross Section 0.275 inch (6.99 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity