Structural features:
1. The valve can be closed automatically by the potential energy of the accumulator.
2. Reliable sealing and small flow resistance coefficient.
3. Adopting PLC intelligent control system, it can realize various humanized operation interfaces such as text and touch screen.
4. It can realize remote and local control.
5. It can realize linkage operation with other pipeline equipments according to the predetermined program.
6. It has fast and slow adjustable closing function.
7. With cut-off and check function.
8. It can realize the function of slow closure when shutting down, effectively eliminating the harm of water hammer and protecting the hydraulic turbine,pump and pipeline system.