APG stocks the E3X174.5, a black EPDM (EPR) 70 Shore A O-Ring with an inside diameter of 174.5 mm (6.87 in), a cross section of 3 mm (0.118 in), and an outside diameter of 180.5 mm (7.11 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, EPDM (EPR) is valued for outstanding weather, ozone and sunlight resistance, good electrical insulating characteristics. The compound resists phosphate ester hydraulic fluids, brake fluid, and ketones. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C).
You will find this material specified across HVAC and refrigeration, water and steam systems, and solar and roofing assemblies.
Order part number E3X174.5, sold individually. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 3MM CS X 174.5MM ID BLACK EPDM 70D
uf_description2 METRIC O-RING
Actual_OD 180.5 mm (7.11 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 174.5 mm (6.87 inch)
ProductCode Description O-Rings - Metric - Commodity