Carbon Dioxide Fire Extinguishers

CO2 Gas Extinguishers characterised by their high performance for fires involving an electrical risk like computers, office equipment & generators. Co2 is non-conductive, Safe & Clean,environment – friendly , ensuring minimal damage to electrical equipment and furnishings.

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Detailed Description for Carbon Dioxide Fire Extinguishers

Carbon Dioxide Extinguishers:


Carbon Dioxide fire extinguishers extinguish fire by taking away the oxygen element of the fire triangle and also be removing the heat with a very cold discharge. Carbon dioxide can be used on Class B & C fires. They are usually ineffective on Class A fires.

Carbon Dioxide extinguishers are filled with non-flammable carbon dioxide gas under extreme pressure. You can recognize a CO2 extinguisher by its hard horn and lack of pressure gauge. The pressure in the cylinder is so great that when you use one of these extinguishers, bits of dry ice may shoot out the horn.


CO2 cylinders are red and range in size from 5 lbs to 100 lbs or larger. In the larger sizes, the hard horn will be located on the end of a long, flexible hose.


Extinguisher LabelCO2s are designed for Class B and C 

(flammable liquid and electrical) fires only. 


Carbon dioxide extinguishes work by displacing oxygen, or taking away the oxygen element of the fire triangle. The carbon dioxide is also very cold as it comes out of the extinguisher, so it cools the fuel as well. CO2s may be ineffective at extinguishing Class A fires because they may not be able to displace enough oxygen to successfully put the fire out. Class A materials may also smolder and re-ignite.


CO2s will frequently be found in laboratories, mechanical rooms, kitchens, and flammable liquid storage areas. All CO2 extinguishers at USC undergo hydrostatic testing and recharge every five years


It's easy to remember how to use a fire extinguisher if you can remember the acronym PASS, which stands for Pull, Aim, Squeeze, and Sweep. 

Pull the Pin.


Pull the pin. 
This will allow you to discharge the extinguisher.

Aim at the Fire.

Aim at the base of the fire. 
If you aim at the flames (which is frequently the temptation), the extinguishing agent will fly right through and do no good. You want to hit the fuel.

Squeeze the top handle or lever. 
This depresses a button that releases the pressurized extinguishing agent in the extinguisher.

Sweep from side to side 
until the fire is completely out. Start using the extinguisher from a safe distance away, then move forward. Once the fire is out, keep an eye on the area in case it re-ignites.

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