What factor determines the type of fire extinguisher

What are the classes of fire hazard? There are 6 different classes of fire, and each should be attacked in a different way. Class A (Solids) Class A fires are fires involving solids. … Class B (Liquids) Class B fires are fires involving liquids. … Class C (Gases) … Class D (Metals) … Electrical Fires. … Class F (Cooking Fats & Oils)

There are 5 different types of fire extinguishers that you can distinguish by their color code. The type of fire extinguisher used would determine the type of fire. Class A – Combustible materials (ie paper, wood) Extinguishers for use – Red, Cream, Blue and Yellow. (Do not use Black) Class B – Flammable liquids (ie paint, petrol, alcohol) Extinguishers for use – …

Fire Extinguisher Types | NFPA

Film-forming foam type. AFFF (aqueous film-forming foam) and FFFP (film-forming fluoroprotein) fire extinguishers are rated for use on both Class A and Class B fires. As the name implies, they discharge a foam material rather than a liquid or powder. They are not suitable for use in freezing temperatures.

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A small coloured band indicates the type of fire extinguisher – red for water, white and red for water mist, cream for foam, blue for dry powder, yellow for wet chemical, green for clean agent and black for CO2 extinguishers.

How is the extinguishing agent applied to the fire extinguisher?

The extinguishing agent can be applied from a fire extinguisher or by scoop and shovel. Using a scoop or shovel is often referred to as a hand propelled fire extinguisher.

What are the different types of chemical fire extinguishers?

Types of agents available include sodium bicarbonate base and potassium bicarbonate base. Dry chemical type extinguishers have special treatments that ensure proper flow capabilities by providing resistance to packing and moisture absorption (caking). Fire extinguishers of this type contain an ammonium phosphate base agent.

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What do the different colours of fire extinguishers mean?

In the UK, portable fire extinguishers must conform to BS EN3 Standard, which specifies that their body is coloured red. A small coloured band indicates the type of fire extinguisher – red for water, white and red for water mist, cream for foam, blue for dry powder, yellow for wet chemical, green for clean agent and black for CO2 extinguishers.

Why is it important to choose fire extinguishers?

Choosing fire extinguisher types for the relevant class of fire could literally be the difference between life and death. No single extinguisher can be used to tackle every fire, and because each type of fire extinguisher has different classes of fire on which it is effective, selection can be a minefield.

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