OPEN SYSTEM

This system, which is preferred in industrial applications, is characterised by open nozzles, dry pipelines and the activation of predefined extinguishing sectors. The pipeline system is filled with water up to the section valves (DVS). When a warning is triggered by the detection system, the associated sector valve is activated and releases the water flow to all the nozzles in this sector. The resulting pressure drop (alert via pressure switch [PS]) automatically starts the main pumps, which ensure efficient firefighting across the entire section.