An alternative to water and dry chemical extinguishers for Class A and B fires is a foam extinguisher. Removing the heat and oxygen from the fire also helps to prevent re-ignition. … Foam extinguishers can be used where flammable liquids are transported, processed, stored or used as an energy source.
What is a foam fire extinguisher used for?
What is a foam fire extinguisher used for. AFFF (Aqueous Film Forming Foams) Foam Fire Extinguishers are suitable to fight burning solids such as wood as well as liquid fires such as burning petrol. The foam has the ability to creep over the burning liquid or to soak into burning materials such as settees.
When should foam fire extinguishers be used?
Foam Extinguisher (AFFF)
Fires involving solids and burning liquids, such as paint and petrol but not suitable for chip or fat pan fires. Safe on fires caused by electricity if tested to 35kV (dielectric test) and a 1m safety distance is adhered to. Do not use on chip or fat pan fires.
What should you not use a foam fire extinguisher on?
Foam extinguishers are also safe for use on flammable liquid fires. They CANNOT be used on electrical fires or flammable metal fires as this extinguisher could end up exacerbating the fire. Foam extinguishers are ideal for premises which have multiple fire risks including offices, factories, warehouses and hotels.
What is the difference between ABC and CO2 fire extinguisher?
CO2s are designed for Class B and C (flammable liquid and electrical) fires only. Carbon Dioxide is a non-flammable gas that extinguishes fire by displacing oxygen, or taking away the oxygen element of the fire triangle.
Which extinguisher is most suitable for oil fires?
Wet Chemical fire extinguishers are the most effective against Class F fires (cooking oils and fats) e.g fats, grease and oil. Therefore they are practical in a kitchen environment.
When would you use a fire extinguisher?
You should only consider using a fire extinguisher if all members of your home have been alerted to the fire and the fire department has been called. Also, make sure you are safe from smoke and that the fire is not between you and your only escape route.
What type of fire can a foam extinguisher be used on?
AFFF FOAM. AFFF foam fire extinguishers have a cream label and are highly effective on class A and class B fires (the foam agent helps to prevent re-ignition). If foam extinguishers have been dielectrically tested they can be used on electrical appliances.