The E70320 is an AS568-320 black EPDM (EPR) 70 Shore A O-Ring measuring an inside diameter of 1.1 in (27.94 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.52 in (38.61 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.
The material holds up against ketones, dilute acids and alkalis, and phosphate ester hydraulic fluids. EPDM (EPR) offers very good flexibility at low temperature, outstanding weather, ozone and sunlight resistance. The material carries a published service range of -65°F (-53.9°C) to 300°F (148.9°C). Applications involving aromatic hydrocarbons or mineral oil-based lubricants call for a different compound.
You will find this material specified across potable water applications, HVAC and refrigeration, and solar and roofing assemblies.
This item is sold individually under part number E70320. Unit weight is approximately 2.706 g and nominal inside diameter is listed as 1 1/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -320 BLACK EPDM 70D O-RING
uf_description2 0.210" (5.33MM) CS X 1.100" (27.94MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 1.1 inch (27.94 mm)
Actual_OD 1.52 inch (38.61 mm)
ProductCode Description O-Rings - Bulk - Commodity