BNSV Hydraulic automatic pipe burst shut-off valve
Overview
The hydraulic automatic pipe burst shut-off valve is generally installed near the important area to be protected on the water transmission pipeline without power supply along the way. When the pipeline is in normal state, the valve is opened. When the pipe burst accident occurs, the valve can automatically close and cut off the pipeline, so as to prevent the huge disaster caused by pipe explosion.
● Reduce water loss caused by pipe burst and avoid secondary disasters. When the water supply pipeline burst, the pipe burst shut-off valve will automatically close, quickly cut off the water flow, and effectively prevent or reduce the pipe burst loss.
● No external power source is required. The closing torque of the valve is the moment of the heavy hammer. The valve closing drive of the pipe burst shut-off valve does not need to provide external power. As long as the pipe burst accident occurs, the valve will close automatically and quickly.
● The closing speed is adjustable. It can effectively prevent water hammer caused by valve closing too fast.
● There are many options for the main valve. Eccentric hemisphere valve and butterfly valve can be used as main valve.
No. | Parts | Material |
1 | Body | DI QT450 |
2 | Disc | DI QT450 |
3 | Disc Seal ring | EPDM、NBR |
4 | Stem | Stainless steel 20Cr13 |
5 | Seat | Welded stainless steel |
