APG stocks the E70NSF226, an AS568-226 black EPDM (EPR) 70 Shore A O-Ring with an inside diameter of 1.984 in (50.39 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.262 in (57.45 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, EPDM (EPR) delivers excellent hot water and steam resistance, very good flexibility at low temperature. The material holds up against ketones, brake fluid, and dilute acids and alkalis. Continuous operating temperature is published at -65°F (-53.9°C) to 300°F (148.9°C). Verify compatibility before use with mineral oil-based lubricants or aromatic hydrocarbons.
The compound meets FDA requirements for food contact and carries NSF listing. It sees regular use in solar and roofing assemblies, brake and phosphate ester systems, and HVAC and refrigeration.
E70NSF226 ships individually. Unit weight is approximately 1.96 g. 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 -226 BLACK EPDM 70D NSF O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 1.984 inch (50.39 mm)
Actual Outside Diameter 2.262 inch (57.45 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable