Ball valve KZT

Cera Valve

Ball valve KZT

The CeraValve type KZT is a ball valve with ceramic lining for open / close function and control tasks to be used in excessively abrasive and corrosive media. It is to be preferably used if special requirements are placed on the stem sealing, on the housing materials (titanium) or if there are very high or very low operating temperatures and high pressures. The valve can be pressurised from both sides. The function is based on a trunnion mounted ball. The seats are spring-loaded. The upstream seat primarily seals. The ¼-turn movement of the ball between 0 and 90 ° releases an accurately defined opening cross-section. The geometric shape of the ball defines the function and control characteristics. This ball valve has a “three part body” design. Consequently, it can be adapted to existing pipelines and the flow and control characteristics can be optimised. These valves are available with manual lever or gear box, as well as with pneumatic, electric and hydraulic actuators. The actuator is mounted by means of a yoke and adapter arrangement. All customary actuators can be used as part-turn valve actuators. Special connections are possible.


Areas of application

Similar applications to KGT, with pressure load on both sides however.


  • Catalyst container valve

Pneumatic conveying:

  • at higher operating pressures (trunnion mounted balls)
  • suitable for: Silicon, lime, coal, cement, glass …


  • Ore conveying, ore dosing, copper concentrate …

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