Foam systems in fire fighting utilizes a mixture of water and foam concentrate to create a foam blanket that extinguishes fires by cooling, smothering, and separating the fuel from the oxygen. These systems are particularly effective for flammable and combustible liquid fires, as the foam can suppress vapors and prevent reignition.
Here's how they work:
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A mixture of water and a specialized foam concentrate is combined with air, creating a stable foam blanket.
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This foam blanket acts as a physical barrier, separating the burning fuel from the oxygen supply and preventing the release of flammable vapors.
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The water content in the foam also contributes to cooling the fuel and surrounding surfaces, reducing the risk of re-ignition.