Classes Of Fires And Extinguishers
Our today’s Toolbox Talks topic is Classes Of Fires And Extinguishers
Ordinary combustible materials such as wood, cloth, paper, etc.
Flammable liquids such as grease, gasoline, lubricating oils, and other hydrocarbons.
Combustible metals like sodium, magnesium, aluminium, etc. and phosphoric substances.
Cooking oil or fat
CLASSES OF FIRES AND EXTINGUISHERS :
Used on all classes of fires. Stops the chain reaction by smothering. Pressure is generated by Gas cartridges stored inside the cylinder. Its force will last for 2 minutes and can reach 10 – 15 feet.
Suitable for classes A&B fires. Fire is extinguished by isolating oxygen from fire. Pressure is stored in gas cartridges. Can fight fires upto 20 feet distance and lasts for 2.5 minutes.
Most suited for electrical fires. Extinguishes the fire by displacing oxygen. Halon cylinders are obsolete now as they contain chloro flouro carbons which are harmful to the environment. So they are being replaced by eco-friendly gases.
If you want to know that how to use fire extinguisher then check out our article: How to use Fire Extinguisher