E70129 is an AS568-129 black EPDM (EPR) 70 Shore A O-Ring with an inside diameter of 1.549 in (39.34 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.755 in (44.58 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
The material holds up against brake fluid, ketones, and phosphate ester hydraulic fluids. EPDM (EPR) is specified for strong performance in outdoor and exposed installations, very good flexibility at low temperature. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C). It should not be specified for service in aromatic hydrocarbons or petroleum oils and fuels.
Common environments for this compound include potable water applications, water and steam systems, and brake and phosphate ester systems.
E70129 ships individually. Unit weight is approximately 0.846 g and nominal inside diameter is listed as 1 9/16 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description -129 BLACK EPDM 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 1.549 inch (39.34 mm)
Actual Outside Diameter 1.755 inch (44.58 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity