Ordered as E70470, this is an AS568-470 black EPDM (EPR) 70 Shore A O-Ring built to an inside diameter of 20.955 in (532.26 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 21.505 in (546.23 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
This material stands up to ozone, UV and weathering, dilute acids and alkalis, and water and steam. EPDM (EPR) is specified for very good flexibility at low temperature and good electrical insulating characteristics. Rated temperature range runs from -65°F (-53.9°C) to 300°F (148.9°C) in continuous service. Applications involving petroleum oils and fuels or aromatic hydrocarbons call for a different compound.
It sees regular use in outdoor equipment, HVAC and refrigeration, and water and steam systems.
Order part number E70470, sold individually. Unit weight is approximately 78.74 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -470 BLACK EPDM 70D O-RING
uf_description2 0.275" (6.99MM) CS X 20.955" (532.26MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 20.955 inch (532.26 mm)
Actual_OD 21.505 inch (546.23 mm)
ProductCode Description O-Rings - Bulk - Commodity