How a foam fire extinguisher works

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).

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 …

Foam fire extinguishers – colours and uses explained

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’.

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How do fire extinguishers work? Water extinguishers. A water extinguisher is like a giant water pistol, but instead of using pressure from your …

People Also Ask how a foam fire extinguisher works

How do foam extinguishers work?

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.

What type of fire can a foam extinguisher be used on?

Foam fire extinguishers are suitable for use on class A solid combustible fires (wood, paper, textiles) and class B flammable liquid fires (petrol, diesel, paint, solvents). How does foam fire extinguishers work?

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How does a dry fire extinguisher work?

Dry chemical extinguishers are tanks of foam or dry powder with compressed nitrogen as the propellant. 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 goes out.

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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