Ordered as E70152, this is an AS568-152 black EPDM (EPR) 70 Shore A O-Ring built to an inside diameter of 3.237 in (82.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.443 in (87.45 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
EPDM (EPR) is specified here for strong performance in outdoor and exposed installations, good electrical insulating characteristics. It resists brake fluid, 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). It is not the right choice where mineral oil-based lubricants or aromatic hydrocarbons are present.
You will find this material specified across water and steam systems, HVAC and refrigeration, and outdoor equipment.
Stocked as E70152 and sold individually. Unit weight is approximately 0.0016 g and nominal inside diameter is listed as 3 1/4 inch. Review your operating media and conditions against this specification before installation.
Description -152 BLACK EPDM 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 3.237 inch (82.22 mm)
Actual Outside Diameter 3.443 inch (87.45 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity