... to install 2. Agent--Foam,dry powder ,FM200,clean-air,halon,Co2 Foam-agent Fire-extinguishing system Foam-agent fire extinguishing system ... of burning body, it will extinguish fire by cutting off air. This system is widely used in petrochemical industry, tanks zone ... -expansion Foam MakerIt helps low-expansion foam intermixture foam with air, discharged onto protect body or oils. Once the foam covers ...