... Fire-extinguishing system Foam-agent fire extinguishing system consists of pressured water source, foam-stored tank, foam-mixed ... mixed Proportioner .Balanced foam-mixed proportioner is an important part of foam agent fire extinguishing system. Electromotor, hydraoturbine or ... chill down burning body and, speed up the process of extinguishingment. For installment, there are horizontal, standing, top ...