The E70419 is an AS568-419 black EPDM (EPR) 70 Shore A O-Ring measuring an inside diameter of 3.725 in (94.62 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.275 in (108.59 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.
EPDM (EPR) is specified here for excellent hot water and steam resistance, outstanding weather, ozone and sunlight resistance. Expect good resistance to phosphate ester hydraulic fluids, ozone, UV and weathering, and dilute acids and alkalis. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C).
Common environments for this compound include potable water applications, water and steam systems, and outdoor equipment.
Reference part number E70419 when ordering; the item is sold individually. Unit weight is approximately 13.875 g and nominal inside diameter is listed as 3 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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 -419 BLACK EPDM 70D O-RING
uf_description2 0.275" (6.99MM) CS X 3.725" (94.62MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 3.725 inch (94.62 mm)
Actual_OD 4.275 inch (108.59 mm)
ProductCode Description O-Rings - Bulk - Commodity