Also known as: • AFFF foam fire extinguishers. • AFFF fire extinguishers. • Spray foam fire extinguishers. • CREAM coloured label printed on the body stating ‘Foam’. • Should be identified by an extinguisher ID sign fixed nearby – ‘Foam Extinguisher’.
A foam based fire extinguisher does obstruct a fire by: Covering the burning surface and cutting off its oxygen supply. Separating the ignited object from the source of the flame and preventing a chain reaction. Cooling …
What are Foam Fire Extinguishers Used for?
When the fire extinguisher is activated, the water/foam solution (agent) comes in contact with the air, causing the solution to discharge as a thick foam due to …
Foam fire extinguishers were designed for use on Class A and Class B fires. Class A fires are those lit on solids, such as paper, wood, and furniture. Class B fires are those ignited on flammable liquids, including fuels, solvents, and paint. The only drawback to using this type of extinguisher is that it can be messy.
People Also Ask what is a foam fire extinguisher best used for
Is a foam fire extinguisher good for general use?
Summary: A foam fire extinguisher is a good for general use, suitable for the majority of business premises. What is a foam fire extinguisher used for?
What is fire extinguisher foam made of?
A fire extinguisher foam is a low-density fluid made up of small air-filled water bubbles. Essentially, it has three ingredients mixed in specific proportions: water, foam, and air. Foam extinguishers carry a cream-colored label, whereas wet chemical and water mist fire extinguishers may have labels of yellow and white colors, respectively.
What type of fire extinguishers are used for Class A fires?
F oam fire extinguishers are used on Class A and Class B fires. Class A fires are fires from carbon-based solids like paper, wood, or cloth. Class B fires are fires from flammable liquids like petrol, diesel, paraffin, or oil. Usually, foam-based fire extinguishers are most suited to putting out liquid fires like gasoline or diesel.
How do foam-based fire extinguishers work?
Usually, foam-based fire extinguishers are most suited to putting out liquid fires like gasoline or diesel. They do so by sealing the liquid surface to prevent the vapors from spreading. Alternatively, they can be used to extinguish solid-based fires such as those caused by wood or paper as well.
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Applications and Advantages of Foam Fire Extinguishers Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher