-328 BLACK EPDM 70D NSF O-RING

Part number E70NSF328 is an AS568-328 black EPDM (EPR) 70 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). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The compound resists dilute acids and alkalis, ketones, and brake fluid. EPDM (EPR) is known for good electrical insulating characteristics and very good flexibility at low temperature. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C). It should not be specified for service in aromatic hydrocarbons or mineral oil-based lubricants.

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

E70NSF328 ships individually. Unit weight is approximately 4.138 g and nominal inside diameter is listed as 1 7/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.