The E70412 is an AS568-412 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 2.85 in (72.39 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 3.4 in (86.36 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
The material holds up against water and steam, ketones, and dilute acids and alkalis. EPDM (EPR) is specified for outstanding weather, ozone and sunlight resistance, good electrical insulating characteristics. Continuous operating temperature is published at -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.
It sees regular use in potable water applications, brake and phosphate ester systems, and outdoor equipment.
Reference part number E70412 when ordering; the item is sold individually. Unit weight is approximately 10.858 g and nominal inside diameter is listed as 2 7/8 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -412 BLACK EPDM 70D O-RING
uf_description2 0.275" (6.99MM) CS X 2.850" (72.39MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 2.85 inch (72.39 mm)
Actual_OD 3.4 inch (86.36 mm)
ProductCode Description O-Rings - Bulk - Commodity