-444 BLACK EPDM 70D O-RING

Part number E70444 is an AS568-444 black EPDM (EPR) 70 Shore A O-Ring built to 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). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

EPDM (EPR) is specified here for excellent hot water and steam resistance, strong performance in outdoor and exposed installations. Expect good resistance to ozone, UV and weathering, ketones, and water and steam. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service. Applications involving aromatic hydrocarbons or mineral oil-based lubricants call for a different compound.

Common environments for this compound include HVAC and refrigeration, water and steam systems, and brake and phosphate ester systems.

This item is sold individually under part number E70444. Unit weight is approximately 28.95 g. 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.