-442 BLACK EPDM 70D NSF O-RING

The E70NSF442 is an AS568-442 black EPDM (EPR) 70 Shore A O-Ring built to an inside diameter of 7.225 in (183.52 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 7.775 in (197.49 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

EPDM (EPR) is specified here for strong performance in outdoor and exposed installations, good electrical insulating characteristics. This material stands up to dilute acids and alkalis, ketones, and ozone, UV and weathering. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C). It is not the right choice where mineral oil-based lubricants or aromatic hydrocarbons are present.

This item meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. You will find this material specified across HVAC and refrigeration, solar and roofing assemblies, and potable water applications.

E70NSF442 ships individually. Unit weight is approximately 26.529 g and nominal inside diameter is listed as 7 1/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.