This o-ring is supplied in AS568-437 black EPDM (EPR) 70 Shore A with an inside diameter of 5.975 in (151.77 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 6.525 in (165.74 mm), catalogued under part number E70437. It delivers dependable bidirectional sealing in a compact groove envelope.
EPDM (EPR) is specified here for outstanding weather, ozone and sunlight resistance, very good flexibility at low temperature. This material stands up to brake fluid, ozone, UV and weathering, and dilute acids and alkalis. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service. Applications involving petroleum oils and fuels or mineral oil-based lubricants call for a different compound.
Typical settings include HVAC and refrigeration, water and steam systems, and solar and roofing assemblies.
E70437 ships individually. Unit weight is approximately 21.8 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description -437 BLACK EPDM 70D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 5.975 inch (151.77 mm)
Actual Outside Diameter 6.525 inch (165.74 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity