APG stocks the E70411, an AS568-411 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 2.725 in (69.22 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 3.275 in (83.19 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
EPDM (EPR) is specified here for strong performance in outdoor and exposed installations, good electrical insulating characteristics. This material stands up to ketones, ozone, UV and weathering, and dilute acids and alkalis. 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 petroleum oils and fuels or mineral oil-based lubricants.
Typical settings include outdoor equipment, solar and roofing assemblies, and water and steam systems.
Order part number E70411, sold individually. Unit weight is approximately 10.7609 g and nominal inside diameter is listed as 2 3/4 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -411 BLACK EPDM 70D O-RING
uf_description2 0.275" (6.99MM) CS X 2.725" (69.22MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 2.725 inch (69.22 mm)
Actual_OD 3.275 inch (83.19 mm)
ProductCode Description O-Rings - Bulk - Commodity