Ordered as E80PC346, this is an AS568-346 black EPDM (EPR) 80 Shore A O-Ring with an inside diameter of 4.1 in (104.14 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.52 in (114.81 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
The compound resists dilute acids and alkalis, ozone, UV and weathering, and ketones. EPDM (EPR) is known for good electrical insulating characteristics, excellent hot water and steam resistance. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C).
Common environments for this compound include HVAC and refrigeration, potable water applications, and solar and roofing assemblies.
Order part number E80PC346, sold individually. Nominal inside diameter is listed as 4 1/8 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 -346 BLACK EPDM 80D O-RING
uf_description2 PEROXIDE CURED, 0.210" (5.33MM) CS X 4.100" (104.14MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 4.1 inch (104.14 mm)
Actual_OD 4.52 inch (114.81 mm)
ProductCode Description O-Rings - Bulk - Commodity