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How does fire suppression work?

The purpose of automatic fire suppression is to extinguish fires with no human intervention. This requires the system to detect fires and deliver an extinguishing agent all on its own. Heat detectors and thermo-bulbs are conventional methods of fire detection. Then, pressurized fluid stored in nearby tanks flows through a release valve, into piping, and out of nozzles to douse the fire quickly and effectively.

Many different extinguishing agents besides water are available for fire suppression systems. Therefore, this type of fire protection is ideal for libraries, museums, data centers, server rooms, medical record rooms, engine compartments, control rooms, and other areas where water damage could be detrimental. Examples of fire suppression extinguishing agents include FM-200, high- and low-expansion foam, carbon dioxide, wet chemicals, and dry chemicals. The type you select depends on the application.

No matter what extinguishing agent you choose, the goal is the same—to disrupt the fire triangle. This is accomplished by either smothering the flames to cool them or cutting off the fuel source from oxygen.

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