What is Fire?
Fire: A rapid – reaction accompanied by the rapid evolution of Heat and light
Requirement for a fire to ignite
- Material to burn
- Required heat to ignite Fire
- Oxygen to burn freely
Requirement for a fire to burn
- Heat : To raise the temperature to the ignition point
- Oxygen : Available in Air
- Material : Something to burn.
Different stages of fire
- Ignition
- Inception
- Small fire
- Large fire
- Devastating
Various types of Fire Extinguishers
Water CO2 : 9 ltr, 50 ltrs, 153 ltrs
Mechanical Foam: 9 ltr, 50 ltrs, 153 ltrs
NAF P IV type : 1.25 kg, 2.5 kg, 5 kg, 10 kg
DCP /ABC type: 1 kg, 2 kg, 5kg, 10kg, 25kg, 50 kg,75 kg
Co2 type: 1 kg, 2 kg, 3.2kg, 4.5 kg, 6.8 kg, 9 kg, 22.5 kg, 45 kg
Differrent types of protection systems.
Automatic fire detection / Extinguishing system?
Automatic high velocity water spray/
Emulsifying system
- Carbon dioxide fire extinguishing system
- Automatic sprinkler system
- Wet raiser system
- Dry raiser system
- Fixed foam installation
| Type of fire | Material | Extingusher | Effectivenes |
| A Class | Wood, Coal, Paper | Water, Water CO2 | Cooling, Striking |
| B Class | Flammable liquids, diesel, kerosine, benzene, petrol, grease | Dry Powder, CO2, Foam, ABC, NAF | Blanketing |
| C Class | Inflammable Gas | CO2, NAF, DCP / ABC | Blanketing Smothering |
| D Class | Metallic Dust like Magnesium, sodium, Potassium | Pyromatic powder | Blanketing |
