Controller 2 Evo OXYGEN it's a graphite sealing BAM approved.
Controller 2 Evolution OXY is made by pure graphite lubricant-free graphite for liquid and gaseous oxygen services. The stem sealing set is equipped by the special compression packing GR80SGR OXY, from which the ZGR80SGR OXY rings are made, and by the ZV48Z OXY rings, which allow to the seal a considerable recovery and compactness.
ZGR80SGR OXY - no 2-28 2015E
ZV48Z OXY - no 2-1949 2014E
Industrial valves for oxygen services