APG stocks the E80PC156, an AS568-156 black EPDM (EPR) 80 Shore A O-Ring built to an inside diameter of 4.237 in (107.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.443 in (112.85 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, EPDM (EPR) offers excellent hot water and steam resistance, very good flexibility at low temperature. It resists ketones, phosphate ester hydraulic fluids, and dilute acids and alkalis. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C).
You will find this material specified across water and steam systems, HVAC and refrigeration, and potable water applications.
Reference part number E80PC156 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -156 BLACK EPDM 80D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 4.237 inch (107.62 mm)
Actual Outside Diameter 4.443 inch (112.85 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity