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Firefighting foam is a foam used for fire suppression. Its role is to cool the fire and to coat the fuel, preventing its contact with oxygen, thus achieving suppression of the combustion. Firefighting foam was invented by the Russian engineer and chemist Aleksandr Loran in 1902. [ 1]
A compressed air foam system is defined as a standard water pumping system that has an entry point where compressed air can be added to a foam solution to generate foam. The air compressor also provides energy, which, gallon for gallon, propels compressed air foam rather than aspirated or standard water nozzles.
Aug. 13—CONCORD — New Hampshire hopes to collect 10,000 gallons of firefighting foam containing hazardous "forever chemicals" or PFAS and ship them to Ohio to be annihilated. Yes, annihilated.
PFAS compounds and their derivatives are widely used in many products from water resistant textiles to fire-fighting foam. [ 4 ] [ 1 ] PFAS are commonly found in every American household in products as diverse as non-stick cookware, stain resistant furniture and carpets, wrinkle free and water repellent clothing, cosmetics, lubricants, paint ...
Fog nozzle. A fog nozzle is a firefighting hose spray nozzle that breaks its stream into small droplets. By doing so, its stream achieves a greater surface area, and thus a greater rate of heat absorption, which, when compared to that of a smoothbore nozzle, speeds its transformation into the steam that smothers the fire by displacing its oxygen.
The Essentials of Fire Fighting is the required training manual used in countless local fire departments and state/provincial training agencies in every region of the United States and Canada. Since the release of the first edition of this manual in 1978, more than 2.5 million copies of the Essentials of Fire Fighting have been distributed to ...
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