Pump station type automatic pressure retaining liquid controlled butterfly valve,Using gravity to provide valve closing torque, the hydraulic system is greatly simplified and more safe and reliable
1. Adopts hammer energy storage structure.
2. Automatic pressure holding,stable disc without shake, small flow resistance.
3. With adjustable fast close, slow close two stages, especially when power failure or accident stops of pump, the permanent hammer potential energy can automatically fulfil the two stages shutoff to prevent water hammer harm, to protect water pump and pipe network system.
4. Can realize local control, remote control and pump valve linkage operation.
5. It is widely used in industrial pipelines and pumping stations of water works, power plants, metallurgy, drainage and irrigation, etc
6. Installed at the pump outlet, one valve for two valves (instead of gate valve and check valve
Valve) to cut off and stop