This o-ring is supplied in AS568-908 black EPDM (EPR) 70 Shore A measuring an inside diameter of 0.644 in (16.36 mm), a cross section of 0.087 in (2.21 mm), and an outside diameter of 0.818 in (20.78 mm), catalogued under part number E70908. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.
EPDM (EPR) offers excellent hot water and steam resistance, good electrical insulating characteristics. It resists phosphate ester hydraulic fluids, brake fluid, and water and steam. Published continuous service range is -65°F (-53.9°C) to 300°F (148.9°C). Verify compatibility before use with petroleum oils and fuels or aromatic hydrocarbons.
Typical settings include water and steam systems, potable water applications, and solar and roofing assemblies.
Reference part number E70908 when ordering; the item is sold individually. Unit weight is approximately 0.2511 g and nominal inside diameter is listed as 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description -908 BLACK EPDM 70D O-RING
uf_description2 0.087" (2.21MM) CS X 0.644" (16.36MM) ID
Actual_CS 0.087 inch (2.21 mm)
Actual_ID 0.644 inch (16.36 mm)
Actual_OD 0.818 inch (20.78 )
ProductCode Description O-Rings - Bulk - Commodity