This o-ring is supplied in AS568-129 black EPDM (EPR) 80 Shore A supplied with an inside diameter of 1.549 in (39.34 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.755 in (44.58 mm), catalogued under part number E80PC129. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
EPDM (EPR) is specified here for good electrical insulating characteristics and very good flexibility at low temperature. Expect good resistance to dilute acids and alkalis, water and steam, and ozone, UV and weathering. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C).
You will find this material specified across water and steam systems, solar and roofing assemblies, and potable water applications.
Reference part number E80PC129 when ordering; the item is sold individually. Nominal inside diameter is listed as 1 9/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description -129 BLACK EPDM 80D O-RING
uf_description2 PEROXIDE CURED, 0.103" (2.62MM) CS X 1.549" (39.34MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 1.549 inch (39.34 mm)
Actual_OD 1.755 inch (44.58 mm)
ProductCode Description O-Rings - Bulk - Commodity