Safety valve quick crossover device

The HTKH-B safety valve quick crossover device is developed for the purpose of replacing safety valv e quickly without process shutdown. In case of the equipment of petrochemical industry and chemical industry plant operated continuously with no inspection term, and if the safety valve is failed to work. Features: 1. Three way design provides dual pressure relief device system which is installed on one position, one is active for overpressure protection the other is kept in reserve as a standby. 2. The operation of crossover is safe, handy and fast. 3. Process shutdown is not needed when crossover, so high cost due to unscheduled shutdown can be saved. 4. A vent valve is provided under each safety valve, to relieve fluid out of the pipe before the isolated safety valve which is to be dismantled. 5. Balance valve of the quick crossover device provides low actuation torque, so crossover is very handy. 6. Meets temperature applications from cryogenic to high. 7. Good seat tightness, even after switching many times. SIZE: DN25MM -- 30MM