This o-ring is supplied in AS568-345 black EPDM (EPR) 70 Shore A measuring an inside diameter of 3.975 in (100.97 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.395 in (111.63 mm), catalogued under part number E70345. It creates a positive seal at flange, piston and rod interfaces without added hardware.
EPDM (EPR) delivers good electrical insulating characteristics and very good flexibility at low temperature. The compound resists ketones, water and steam, and brake fluid. Service temperature is rated from -65°F (-53.9°C) through 300°F (148.9°C).
You will find this material specified across potable water applications, water and steam systems, and outdoor equipment.
Stocked as E70345 and sold individually. Unit weight is approximately 8.338 g and nominal inside diameter is listed as 4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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 -345 BLACK EPDM 70D O-RING
uf_description2 0.210" (5.33MM) CS X 3.975" (100.96MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.975 inch (100.97 mm)
Actual_OD 4.395 inch (111.63 mm)
ProductCode Description O-Rings - Bulk - Commodity