The Curious Properties of CO2 Gas
Carbon dioxide gas is highly effective in extinguishing fires in areas containing solid, flammable, and liquid materials. It extinguishes fires in these classes quickly and effectively. In areas and environments where fire cabinets are manufactured and electrical equipment is present, such as record storage rooms and trash receptacles, carbon dioxide gas provides rapid and effective extinguishing. Therefore, when engineering principles for CO2 gas extinguishing systems are correctly applied in appropriate hazard classes and areas, they activate quickly and offer users rapid extinguishing capabilities in the shortest possible time. As is well known, carbon dioxide gas is colorless and odorless, and it is also a non-corrosive gas with no electrical conductivity, making it effectively usable in many different applications. In manufacturing areas, carbon dioxide gas is generally about 50% heavier than air. It also constitutes 0.03% of the atmosphere by volume and is highly effective in aiding respiratory control. Fires are generally extinguished when the oxygen level drops below 16% during the occurrence of a fire.
CO2 Pressure and Storage
CO2 is stored under pressure in liquid form, and there are generally two methods and stages for CO2 storage. These typically involve low pressures in cold storage tanks and very high pressures in small-capacity cylinders, ensuring effective and high-quality use in fire cabinet manufacturing areas. When these systems are stored at a normal temperature of 21.1°C, the gas pressure is 8,861 kPa. It provides rapid and prompt extinguishing for fires involving surfaces and flammable oils, paints, etc. On the other hand, for solid material fires involving paper, cotton, clothing, etc., it provides the necessary extinguishing in a short time at high concentrations. Furthermore, CO2 gas creates a cooling effect on the atmospheric surface, contributing to the extinguishing process.
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