The ball valves are designed with SSKV nipple and SSKV socket in the housing design with 2 screwed-in connection pieces. The spindle is mounted blow-out proof. The SSKV socket/nipple connection variant enables quick installation in corresponding high-pressure piping systems. With the safety locking handle option (type SIB up to DN 31), both one-sided locking in the closed position and two-sided fixation of positions can be achieved. Also available with lockable feature.