1. Safety protection for gate valves used in petroleum, chemical industry and industrial pipeline systems.
2. It is suitable for safety protection of gate valves used in water conservancy, power and municipal government pipeline system.
3. It is suitable for safety protection of gate valves used in large pipeline systems such as pharmaceuticals, papermaking, steel and beverage.
4. It is suitable for the safety protection of gate valves used in construction industry, commercial community, domestic water heating and decoration, etc.
5. Be applicable to all other piping systems equipped with gate valves for safety protection.