How do carbon dioxide extinguishers work




















CO alarms arrived very swiftly and well packaged. I'm very confident of the service I'm going to get when purchasing from Fire Protection Online. Read more product reviews Read all reviews. A Few Words Of Warning About CO2 Fire Extinguishers This type of extinguisher must not be used on chip pan fires — the carbon dioxide will spray the burning oil out of the container and the fire will spread.

Be very careful when using this type of fire extinguisher in an enclosed space. Remember that the carbon dioxide gas displaces the oxygen in the air, fires need oxygen in order to burn and people need oxygen in order to breathe. As soon as the fire has been contained any enclosed spaces must be well ventilated. Click here to see our entire range of CO2 fire extinguishers.

Being harmless to electrical equipment these extinguishers are ideal for offices ,workshops or any premises that uses electrical equipment. It is vital that any CO2 Extinguisher you buy has a frost free horn. CO2 Gas, when released from an extinguisher, is ice cold. If holding the horn of a non-frost free horn, when using a CO2 extinguisher your horn and your hand will become frozen causing serious injury. Frost Free horns are designed to withstand the freezing gas, and can be held by the user.

It is recommended that you do not hold the horn of any CO2 extinguisher in case it is not frost free. There main body should be Red, to conform with British Standards, and they should have a Large Black Banner across the top on the front of the extinguisher with White writing stating "Carbon Dioxide". The discharge range is fairly small. Once CO2 is released from the extinguisher, it will start to spread, as gases do.

Because of this, the horizontal discharge range of the CO2 stream is limited to feet. This range is about half the average range for an ABC extinguisher. They do not leave any residue after the fire is extinguished. Carbon dioxide cuts off the oxygen supply and brings down the temperature of the fire with its cold presence.

Once the CO2 gas has extinguished the fire, it will dissipate into the atmosphere without leaving a trace. No residue typically means no damage. This is a big advantage for expensive electronic equipment, versus using a typical ABC extinguisher , which uses a powder that can be corrosive. Avoid contact between bare skin and dispensed CO2. It can cause frostbite! The carbon dioxide turns into dry ice when it is discharged from the extinguisher.



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