Foam System : FOAM FIRE EXTINGUISHING SYSTEM

Foam Fire Extinguishing System is divided broadly into two categories according to the chemical involved, namely Air Foam Fire Extinguishing System and Chemical Foam Fire Extinguishing system.
Chemical Foam Fire Extinguishing System is considered obsolete and has generally been replaced by Air Foam Fire Extinguishing System. Being intended primarily for Flammable Liquids, Air Foam Fire Extinguishing System is installed at agencies, producers and storage site of explosives and combustibles. The system comprises Water Source, Fire Pump, Air Foam Concentrate, Proportioner, Foam Maker, Foam Dischange Outlet Control Panel, Pipe, Electric Wire, etc.
A variety of Foam Discharge Outlet is provided to meet any shape of Hazard, conditions of location, etc. The system is divided into the following types.

 

Air Foam Concentrate is made into a fixed ratio of Air Foam Solution by mixing with water flowing through Feed Pipe and is mechanically stirred by Foam Maker which sucks air and generates great deal of Air Foam to extinguish a fire involving flammable liquids with smothering and cooling effect.
Air Foam Concentrate makes fine foams with excellent stability and thermal resistance, and freely flows and develops on liquid surface such as petroleum to promptly extinguish a fire. It also sticks firm to a solid surface, level or vertical, to prevent the fire from spreading.
Of the Fixed Air Foam Fire Extinguishing System, Air Foam Chamber and Subsurface Foam Injection are intended mainly for extinguishing a fire set on Exterior Storage Tanks, and Air Foam Spray Head for Flammable Liquid Hazards.
Air Foam Nozzle is used as Supplemental Air Foam Hydrant for Exterior Storage Tanks or as Air Foam Hydrant for Flammable Liquid Hazard. Air Foam Monitor Nozzle is provided near the inlet port of Exterior Storage Tanks and particularly on a quay or a pier for extinguishing a fire set on oily outflow on the sea.