j emergency shut-off valve

A, 900X emergency shut-off valve Product Overview Haichuan Shanghai Valve Co., Ltd. of 900X emergency shut-off valve is fire water supply system for water and life parallel in the direction of the water supply valve to the deployment. When a fire occurs, the fire needed a lot of water, 900X emergency shut-off valve immediately cut off the domestic water, to ensure adequate fire water; when the fire stopped the water pressure decreases, the valve automatically opens, was always open, to restore domestic water supply. 900X emergency shut-off valve can use the system without a separate dedicated fire alone water supply network, greatly save construction costs and water consumption. 900X emergency shut-off valve to control high sensitivity, safe, reliable, easy to debug, long service life. See: http: //www.zgchuanhu.com/slkzf.html http://www.chuanhuvalve.com/shuilikongzhifa/shuilikongzhifa.asp hydraulic control valve hydraulic control valve