This product was added to our catalog on Saturday 19 April, 2008.
39) Seal & Open Side Flange O-ring, 2-238
Flange O-ring for ENDSTD-2-ASA valves, Same O-ring used on seal side and open side flanges. END-63-ISO does not use flange O-rings, uses centering rings.
Standard O-ring is Buna-N, choose Viton� or silicone when adding to cart.