E70277 is an AS568-277 black EPDM (EPR) 70 Shore A O-Ring with an inside diameter of 11.484 in (291.69 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 11.762 in (298.75 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
EPDM (EPR) is specified here for strong performance in outdoor and exposed installations, very good flexibility at low temperature. It resists ketones, water and steam, and ozone, UV and weathering. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C). Exposure to petroleum oils and fuels or mineral oil-based lubricants will shorten service life.
It sees regular use in water and steam systems, outdoor equipment, and solar and roofing assemblies.
Stocked as E70277 and sold individually. Unit weight is approximately 0.0102 g and nominal inside diameter is listed as 11 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description -277 BLACK EPDM 70D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 11.484 inch (291.69 mm)
Actual Outside Diameter 11.762 inch (298.75 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity