how does a foam fire extinguisher work

A water extinguisher can put out things like burning wood, paper or cardboard, but it does not work well on electrical fires or fires involving inflammable liquids. Water is the most familiar extinguishing material, and it is one of the most effective. While there's a good chance that your fire extinguisher will sit on the wall for years, collecting dust, it could end up saving your property and even your life. The National Fire Protection Association defines, a "Clean Agent" as "an electrically non-conducting, volatile, or gaseous fire extinguishant that does not leave a residue upon evaporation.". What is Halon and How Does it Work? Water extinguishers work by removing heat from the fire. Since their creation two centuries ago, fire extinguishers have played an integral part in saving lives being threatened by a perilous fire. Halon is a liquefied, compressed gas that stops the spread of fire by chemically disrupting combustion. Halon is a liquefied, compressed gas that stops the spread of fire by chemically disrupting combustion and does … Foam works in different ways depending on the type of fire. How Foam Fire Extinguishers Work. In turn, this deprives the fire of air supply, thus undermining its capacity to release flammable vapours. A foam fire extinguisher puts out fires by covering the flames with a thick blanket of foam. They work by smothering the fire: when you put a layer of powder or foam on the fire, you cut the fuel off from the oxygen around it, and the fire …

In an electrical fire, the water may conduct the current, which can electrocute you. Dry chemical extinguishers are tanks of foam or dry powder with compressed nitrogen as the propellant. A fire extinguisher is an active fire protection used to put out or control small fires usually in emergency situations and I am focusing on the foam fire extinguisher. Learn the correct way to use an extinguisher and see what sort of fire suppressant works best on different types of fires. Working of a Fire Extinguisher All fire extinguishers work on the basic principle of removing any of the three basic elements needed for combustion—oxygen, heat or fuel.
I chose a fire extinguisher because fire fighting has always interested me and I plan on being a firefighter. This type of fire extinguisher contains a mixture of liquid and carbon dioxide (CO2), a non-flammable gas.

But it can be dangerous in the wrong situation. Halon fire extinguisher contains an extinguishing agent called Halon. Carbon dioxide fire extinguishers work by cooling a fire and removing oxygen from the area surrounding the fire. When directed towards flammable liquids, the foam allows the liquid to drain from it before forming an aqueous film. Halon is a "Clean Agent."


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