... -air,halon,Co2 Foam-agent Fire-extinguishing system Foam-agent fire extinguishing system consists of pressured water source, foam-stored ... , it will extinguish fire by cutting off air. This system is widely used in petrochemical industry, tanks zone, oilfield, ... well for wood, paper, rubber, textile, plastic products and enclosed location with live electrical equipments. There are balanced foam-mixed ...