RVCB/sbz45x-16 closed underground resilient seated gate valve

Lock closed elastic seal gate valves is based on the original equipped with special magnetic locks, applied in heating, water supply, such as charging network, may at any time to stop water supply and heat users, and prevent a user deliberately default charge for water, cause needless loss. Installation of this valve on important network or important equipment can prevent non-operators from opening or closing the valve by mistake, resulting in an accident.