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Carbon Dioxide is a superb extinguishing agent, which extinguishes fire by reducing the oxygen levels below that which will sustain combustion. Essentially, it suffocates the fire.
Cooling is a secondary action of the agent. This feature is used in local applications where the liquid phase of the discharge is applied directly to the fire and risk materials.
CO2 is stored as liquid, under high pressure. When a system is activated, the liquid CO2 flows through discharge pipework to specially designed nozzles. The agent’s low boiling point means that the liquid vaporises rapidly during the discharge, providing a penetrative three-dimensional action. Carbon dioxide gas has a high rate of expansion. As a result, this allows a CO2 fire suppression system to work fast. In addition, the rapid expansion of the gaseous agent allows fires to be targeted even in the most inaccessible areas of risk.
For more information on Carbon Dioxide Fire suppression systems, contact us today