Class B Fire Extinguisher Used For? A fire involving flammable and combustible liquids such as gasoline, alcohol, oil-based paints, lacquers is called type B fire, and the Extinguisher used to extinguish this fire is known as a Class B Fire Extinguisher. The correct fire extinguisher can make a difference in the safety of your home
When you look at a fire extinguisher, you might wonder what is inside that can put out a fire. The answer is actually pretty simple – fire extinguishers are filled with a substance called “fire retardant” which is designed to smother a fire and stop it from spreading.
What is a Class B Fire Extinguisher Used For?
Foam: These extinguishers work on both Class A and B fires. The foam agent works on Class B fires by separating the fuel and the oxygen by creating a seal on the surface of the flammable liquid. However, these extinguishers will only be effective when the flammable liquid is not free-flowing.
Identified with the letter A inside a green triangle. Class B Rating: Extinguishers with a Class B rating are meant for putting out fires cause by flammable liquids such as gasoline, oil, and paint. Identified as the letter B inside a red square. Class C Rating: Class C extinguishers are designed to be used on fires involving live electrical equipment. Identified with the letter C inside a blue …
People Also Ask what is inside a class b fire extinguisher
How does a Class B fire extinguisher work?
There are a variety of fire extinguisher types designed to accomplish this very task specifically on Class B fires: CO2: A carbon dioxide fire extinguisher works on a Class B fire by expelling CO2 to suffocate the fire, removing the oxygen necessary to keep it burning. It also helps with removing the heat, as the discharge is very cold.
How do you identify a Class A fire extinguisher?
Each class is identified with a symbol and pictogram representing the type of fire it will put out. Class A Rating: Class A fire extinguishers are meant to be used against fires involving paper, wood, plastic, cloth and other ordinary combustible materials. Identified with the letter A inside a green triangle.
What type of fire extinguisher is best for a B fire?
Dry Chemical: Dry chemical extinguishers, whether regular or multipurpose models are classified for B fires as their agent extinguishes a fire by interrupting the chemical reaction of the fire triangle. These extinguishers have a better range, as they use a compressed, non-flammable gas that can propel the dry extinguishing agent further.
What is a Class C fire extinguisher used for?
Class C Rating: Class C extinguishers are designed to be used on fires involving live electrical equipment. Identified with the letter C inside a blue circle. Class D: Fire extinguishers with a Class D rating should be used for combustible materials and combustible metal alloys.
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What's inside a Fire Extinguisher? Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher