Ordered as E70340, this is an AS568-340 black EPDM (EPR) 70 Shore A O-Ring supplied with an inside diameter of 3.35 in (85.09 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.77 in (95.76 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
EPDM (EPR) delivers strong performance in outdoor and exposed installations, excellent hot water and steam resistance. The compound resists phosphate ester hydraulic fluids, ketones, and ozone, UV and weathering. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service.
Typical settings include water and steam systems, outdoor equipment, and solar and roofing assemblies.
Reference part number E70340 when ordering; the item is sold individually. Unit weight is approximately 7.438 g and nominal inside diameter is listed as 3 3/8 inch. 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 -340 BLACK EPDM 70D O-RING
uf_description2 0.210" (5.33MM) CS X 3.350" (85.09MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.35 inch (85.09 mm)
Actual_OD 3.77 inch (95.76 mm)
ProductCode Description O-Rings - Bulk - Commodity