How foam fire extinguishers work

How foam fire extinguishers works: Foam fire extinguishers work in 2 ways. They are mainly water-based and so have the same cooling effect as water extinguishers, putting the fire out by lowering the temperature. They contain ‘Aqueous Film Forming Foam’ (this is why they are also known as AFFF foam extinguishers). AFFF works by smothering the fire and …

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 Guide to the Foam Fire Extinguisher – EvolutionFire

How do I use foam fire extinguisher? Foam extinguishers can be used just like any fire extinguisher. Simply follow the PASS technique: Pull the Pin. Aim it at the fire. Squeeze the handle. Sweep from side to side. Learn …

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Foam extinguishers are tanks of water and foam with compressed nitrogen as the propellant. They work by smothering the fire: when you spread a thin layer of foam over a fire, you cut the fuel off from the oxygen around it. Foam extinguishers also help to absorb heat, since the cool foam they release contains a lot of water.

People Also Ask how foam fire extinguishers work

How do foam fire extinguishers stop flammable liquid fires?

This prevents the fire re-igniting. It also allows foam fire extinguishers to put out flammable liquid fires, by creating a barrier between the liquid’s surface and the flames.

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How does a fire extinguisher work?

Foam fire extinguishers work in 2 ways. They are mainly water-based and so have the same cooling effect as water extinguishers, putting the fire out by lowering the temperature. They contain ‘Aqueous Film Forming Foam’ (this is why they are also known as AFFF foam extinguishers).

What is the difference between water and foam fire extinguishers?

They are mainly water-based and so have the same cooling effect as water extinguishers, putting the fire out by lowering the temperature. They contain ‘Aqueous Film Forming Foam’ (this is why they are also known as AFFF foam extinguishers).

How do I know if my fire extinguisher is foam?

How is a foam fire extinguisher identified? You can identify foam fire extinguishers by colour on them, foam fire extinguishers should have a red body and an agent-specific colour code band covering between 5-10% of the surface relating to the extinguisher’s contents, foam fire extinguishers feature a cream label.

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Fire Safety Training – How to Use a FOAM Fire Extinguisher Video Answer


Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher

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