Foam-water sprinkler systems are installed to protect structures, equipment and facilities where a potential hazard for two-dimensional flammable liquid fire exists. These systems can provide prevention, extinguishment, control and/or exposure protection, depending on the application. Typically, foam-water sprinkler systems are installed in aircraft hangars, petrochemical plants, tank farms, fuel-loading facilities and power plants.
Upon activation of the fire detection system, the installation control valve set opens. Foam concentrate, stored in a bladder tank, and water are mixed using a proportioning device located above the Installation control valve. The Foam-Water mixture then enters the installation pipework and is discharged through the spray nozzles over the protected area.