APG stocks the E70404, an AS568-404 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 1.85 in (46.99 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 2.4 in (60.96 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, EPDM (EPR) is specified for strong performance in outdoor and exposed installations, excellent hot water and steam resistance. The compound resists water and steam, phosphate ester hydraulic fluids, and dilute acids and alkalis. Published continuous service range is -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.
Common environments for this compound include outdoor equipment, water and steam systems, and HVAC and refrigeration.
Order part number E70404, sold individually. Unit weight is approximately 7.622 g and nominal inside diameter is listed as 1 7/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -404 BLACK EPDM 70D O-RING
uf_description2 0.275" (6.99MM) CS X 1.850" (46.99MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 1.85 inch (46.99 mm)
Actual_OD 2.4 inch (60.96 mm)
ProductCode Description O-Rings - Bulk - Commodity