APG stocks the E80PC139, an AS568-139 black EPDM (EPR) 80 Shore A O-Ring built to an inside diameter of 2.175 in (55.25 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.381 in (60.48 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Expect good resistance to ozone, UV and weathering, brake fluid, and ketones. EPDM (EPR) delivers very good flexibility at low temperature and good electrical insulating characteristics. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C). It should not be specified for service in mineral oil-based lubricants or petroleum oils and fuels.
Common environments for this compound include HVAC and refrigeration, water and steam systems, and potable water applications.
Order part number E80PC139, sold individually. Nominal inside diameter is listed as 2 3/16 inch. 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 -139 BLACK EPDM 80D O-RING
uf_description2 PEROXIDE CURED, 0.103" (2.62MM) CS X 2.175" (55.25MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 2.175 inch (55.25 mm)
Actual_OD 2.381 inch (60.48 mm)
ProductCode Description O-Rings - Bulk - Commodity