The E80PC328 is an AS568-328 black EPDM (EPR) 80 Shore A O-Ring measuring an inside diameter of 1.85 in (46.99 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.27 in (57.66 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, EPDM (EPR) is valued for excellent hot water and steam resistance, outstanding weather, ozone and sunlight resistance. The compound resists ketones, brake fluid, and ozone, UV and weathering. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C). Applications involving aromatic hydrocarbons or mineral oil-based lubricants call for a different compound.
Common environments for this compound include solar and roofing assemblies, HVAC and refrigeration, and water and steam systems.
Order part number E80PC328, sold individually. Nominal inside diameter is listed as 1 7/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -328 BLACK EPDM 80D O-RING
uf_description2 PEROXIDE CURED, 0.210" (5.33MM) CS X 1.850" (46.99MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 1.85 inch (46.99 mm)
Actual_OD 2.27 inch (57.66 mm)
ProductCode Description O-Rings - Bulk - Commodity