This o-ring is supplied in AS568-210 black EPDM (EPR) 70 Shore A with an inside diameter of 0.734 in (18.64 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.012 in (25.7 mm), catalogued under part number E70NSF210. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, EPDM (EPR) delivers excellent hot water and steam resistance, very good flexibility at low temperature. This material stands up to dilute acids and alkalis, brake fluid, and water and steam. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C). Verify compatibility before use with petroleum oils and fuels or aromatic hydrocarbons.
This o-ring meets FDA requirements for food contact, carries NSF listing, and is metal detectable for HACCP and foreign-body control programs. You will find this material specified across solar and roofing assemblies, brake and phosphate ester systems, and potable water applications.
Reference part number E70NSF210 when ordering; the item is sold individually. Unit weight is approximately 0.807 g and nominal inside diameter is listed as 3/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. 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 -210 BLACK EPDM 70D NSF O-RING
uf_description2 0.139" (3.53MM) CS X 0.734" (18.64MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.734 inch (18.64 mm)
Actual_OD 1.012 inch (25.7 mm)
ProductCode Description O-Rings - FDA / Metal Detectable