-329 BLACK EPDM 70D NSF O-RING

This o-ring is supplied in AS568-329 black EPDM (EPR) 70 Shore A built to an inside diameter of 1.975 in (50.17 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.395 in (60.83 mm), catalogued under part number E70NSF329. 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. The material holds up against water and steam, dilute acids and alkalis, and brake fluid. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C). It should not be specified for service in aromatic hydrocarbons or petroleum oils and fuels.

This o-ring meets FDA requirements for food contact and carries NSF listing. You will find this material specified across potable water applications, solar and roofing assemblies, and HVAC and refrigeration.

This item is sold individually under part number E70NSF329. Unit weight is approximately 4.466 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.