Part number E70168 is an AS568-168 black EPDM (EPR) 70 Shore A O-Ring with an inside diameter of 7.237 in (183.82 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.443 in (189.05 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, EPDM (EPR) is known for excellent hot water and steam resistance, good electrical insulating characteristics. The compound resists ketones, water and steam, and ozone, UV and weathering. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service. It should not be specified for service in aromatic hydrocarbons or mineral oil-based lubricants.
Typical settings include brake and phosphate ester systems, solar and roofing assemblies, and water and steam systems.
Reference part number E70168 when ordering; the item is sold individually. Unit weight is approximately 3.604 g and nominal inside diameter is listed as 7 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -168 BLACK EPDM 70D O-RING
uf_description2 0.103" (2.62MM) CS X 7.237" (183.82MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 7.237 inch (183.82 mm)
Actual_OD 7.443 inch (189.05 mm)
ProductCode Description O-Rings - Bulk - Commodity