Ordered as E70143, this is an AS568-143 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 2.425 in (61.6 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.631 in (66.83 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
It resists phosphate ester hydraulic fluids, water and steam, and brake fluid. EPDM (EPR) offers strong performance in outdoor and exposed installations, very good flexibility at low temperature. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C). Applications involving petroleum oils and fuels or aromatic hydrocarbons call for a different compound.
Common environments for this compound include water and steam systems, potable water applications, and brake and phosphate ester systems.
E70143 ships individually. Unit weight is approximately 1.31 g. 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.
Description -143 BLACK EPDM 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 2.425 inch (61.6 mm)
Actual Outside Diameter 2.631 inch (66.83 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity