.A water mist system is a fire protection system which uses very fine water sprays (i.e. water mist). The small water droplets allow the water mist to control, suppress or extinguish fires by: cooling both the flame and surrounding gases by evaporation. displacing oxygen by evaporation. Applications : Enclosed infrastructures from Residential, Commercial & Industrial Buildings, Hotels, Hostels, Offstore setups, Tunnels, Underground Junctions etc.