APG stocks the E70374, an AS568-374 black EPDM (EPR) 70 Shore A O-Ring measuring an inside diameter of 9.225 in (234.32 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 9.645 in (244.98 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, EPDM (EPR) is specified for good electrical insulating characteristics, strong performance in outdoor and exposed installations. This material stands up to water and steam, ketones, and brake fluid. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C). Verify compatibility before use with aromatic hydrocarbons or mineral oil-based lubricants.
It sees regular use in HVAC and refrigeration, brake and phosphate ester systems, and water and steam systems.
Order part number E70374, sold individually. Unit weight is approximately 19.68 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -374 BLACK EPDM 70D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 9.225 inch (234.32 mm)
Actual Outside Diameter 9.645 inch (244.98 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity