ZSFC150 Fire Alarm Valve, usually the pipe network is filled with compressed air or nitrogen, so it is suitable for places where the ambient temperature is lower than 4℃ or higher than 70℃.
zsfc100 Dry Alarm Valve, usually the pipe network is filled with compressed air or nitrogen, so it is suitable for places where the ambient temperature is lower than 4℃ or higher than 70℃.
