Ordered as E70NSF209, this is an AS568-209 black EPDM (EPR) 70 Shore A O-Ring built to an inside diameter of 0.671 in (17.04 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.949 in (24.1 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, EPDM (EPR) is widely chosen for outstanding weather, ozone and sunlight resistance, excellent hot water and steam resistance. Expect good resistance to ozone, UV and weathering, phosphate ester hydraulic fluids, and water and steam. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C).
This o-ring meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across water and steam systems, HVAC and refrigeration, and outdoor equipment.
Reference part number E70NSF209 when ordering; the item is sold individually. Unit weight is approximately 0.75 g. 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 -209 BLACK EPDM 70D NSF O-RING
uf_description2 0.139" (3.53MM) CS X 0.671" (17.04MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.671 inch (17.04 mm)
Actual_OD 0.949 inch (24.1 mm)
ProductCode Description O-Rings - FDA / Metal Detectable