The E80PC344 is an AS568-344 black EPDM (EPR) 80 Shore A O-Ring built to an inside diameter of 3.85 in (97.79 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.27 in (108.46 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.
This material stands up to ozone, UV and weathering, ketones, and water and steam. EPDM (EPR) is known for strong performance in outdoor and exposed installations, outstanding weather, ozone and sunlight resistance. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C).
Maintenance and OEM teams specify it across brake and phosphate ester systems, potable water applications, and solar and roofing assemblies.
E80PC344 ships individually. Check the compound against your process media, pressure and temperature before committing to a design.
Description -344 BLACK EPDM 80D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 3.85 inch (97.79 mm)
Actual Outside Diameter 4.27 inch (108.46 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity