XCTR4 packing API std 622

20 September 2021

The Product Family of packing qualified API std 622 3rd Edition is further enhanced with the new XCTR4 Evolution model, engineered specifically for quarter-turn valves. The special design of XCTR4 Evolution and the use of innovative materials for the wiper rings give to the packing an effective low emission control and a very low relaxation rate which guarantees the best performance for long-time.