This o-ring is supplied in AS568-333 black EPDM (EPR) 70 Shore A built to an inside diameter of 2.475 in (62.87 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.895 in (73.53 mm), catalogued under part number E70333. It compresses into its gland to block fluid or gas migration across a joint.
As a material, EPDM (EPR) is specified for excellent hot water and steam resistance, very good flexibility at low temperature. Expect good resistance to phosphate ester hydraulic fluids, ketones, and water and steam. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C). It should not be specified for service in petroleum oils and fuels or aromatic hydrocarbons.
You will find this material specified across HVAC and refrigeration, potable water applications, and water and steam systems.
Order part number E70333, sold individually. Unit weight is approximately 0.0054 g. Review your operating media and conditions against this specification before installation.
Description -333 BLACK EPDM 70D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 2.475 inch (62.87 mm)
Actual Outside Diameter 2.895 inch (73.53 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity