This o-ring is supplied in AS568-445 black EPDM (EPR) 70 Shore A supplied with an inside diameter of 7.975 in (202.57 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 8.525 in (216.54 mm), catalogued under part number E70NSF445. It creates a positive seal at flange, piston and rod interfaces without added hardware.
It resists water and steam, phosphate ester hydraulic fluids, and ozone, UV and weathering. That behavior comes from the compound itself: EPDM (EPR) is known for outstanding weather, ozone and sunlight resistance, excellent hot water and steam resistance. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C).
This item 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, potable water applications, and solar and roofing assemblies.
This item is sold individually under part number E70NSF445. Unit weight is approximately 29.06 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -445 BLACK EPDM 70D NSF O-RING
uf_description2 0.275" (6.99MM) CS X 7.975" (202.57MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 7.975 inch (202.57 mm)
Actual_OD 8.525 inch (216.54 mm)
ProductCode Description O-Rings - FDA / Metal Detectable