The CeraValve type KBR is a particularly robust, metallic ball valve for the open / close function for abrasive and excessive abrasive media, preferred for applications when pneumatically transporting bulk materials. Both the shaft as well as the shaft in-sert and the seats are designed in a particularly stable manner. The valve can be pressurised from both sides. The functional principle is based upon the floating ball (trunnion mounted ball as of DN 150 / 6˝). The seat rings are pressed against the ball by means of spring elements. The round geometrical shape of the ball bore is standard. This ball valve has a “two part body” design. These valves are available with manual lever or gear box, as well as with pneumatic, electric and hydraulic actuators. All customary actuators can be used as ¼-turn valve actuators. Special connections are possible.