Starting at the recommended distance, sweep the nozzle or hose from side to side until the fire is out. Applications and advantages of co2 fire extinguishers. Dry chemical is the most widely used type of fire extinguisher and is also recognized as a multipurpose abc fire extinguisher. It extinguishes the fire by taking away the oxygen element of the fire triangle along with the removal of heat with its cold discharge. It is effective for class b and c flammable liquids and is electrically nonconductive.
Class d extinguishers are recommended on burning metal. Selection of fire extinguishers there are a number of types of portable fire. The material in a class d extinguisher is a foam product that puts out the fire by replacing the oxygen near it. Co 2 extinguisher contains liquefied carbon dioxide. However, they must be of the correct type for the particular fire, and they must be used correctly. Once activated, can a co2 extinguisher be shut off. Where a fire extinguisher has been used for any purpose other than that of a fire extinguisher 7. Uses and advantages of co2 fire extinguishers fire. Water and foam based extinguishers should not be used on fires involving an electrical. The carbon dioxide fire extinguisher is a staple in our portable extinguisher line up at all florida fire equipment. Supremex offers the aluminium type fire extinguisher which is revolutionary switchover to an aluminium body. These classes include oil spillages, fabric, delicate machinery and various other material. Each fire extinguisher also has a numerical rating that serves as a guide for the amount of fire the extinguisher can handle.
They are rated at 10,000 lb bursting pressure and 2500 lb working pressure. Co2 extinguishes a fire by lowering the o2 content below that 16% and works best in confined spaces. How to use a co2 fire extinguisher veteran fire safety. Class b fires that can be extinguished with a carbon dioxide extinguisher include flammable liquids and gases, solvents, oil, greases excluding cooking oilsgreases, tars, oilbased paints and lacquers. Ensure the fire is fully extinguished the foam will act as a blanket smothering the flames and preventing the fire from reigniting. Use the classletter stickers to determine if your extinguisher can put out a fire. For extinguisher use on a class d fire, the relative effectiveness is detailed on the extinguisher nameplate for the specific combustible metal fire for which it is recommended. This may be appropriate if you must reposition yourself in relation to the fire. We sell a range of standard fire extinguishers and other products suited to fire safety precautions.
Sound the fire alarm and call the fire department, if appropriate. Squeeze the lever gently to start discharging the extinguisher. So no separate cartridge is used in co 2 extinguisher. Ensure you remain a safe distance from the fire and remove the safety pin this will break the tamper seal. Fire extinguisher co2 technical datahdwxuhv xhighgrade brass head assembly ensures reliability and efficiency xworking pressure bar for maximum fire fighting performance gives greater application.
Before attempting to fight a fire with a fire extinguisher it is important to check that it is fully charged and that the safety pin is not bent. Us navy 040417n9851b002 aviation boatswains mate airman orin smith grabs a co2 fire extinguisher as he rushes to a simulated aircraft fire. Class d extinguishing equipment is marked with a yellow. Along with the fact that carbon dioxide co2 is a vital part of life on earth, it is also an effective fireextinguishing agent. Some types of fire extinguishers can be used on more than one class of fire, it is important to ensure the correct extinguisher is used, to. Different types of extinguishers fight different types of fires. Also, on a class a fire it creates a barrier between the fuel and the oxygen. The co2 type extinguishers are able to extinguish fire by blanketing dilution of oxygen and cooling effects. Supremexs co2 fire extinguishers range is most effective against class b and c fires. All you ever wanted to know about fire extinguishers. Co2 fire extinguishers all you need to know about co2. Identified by a black label, carbon dioxide extinguishers are. Class d fire extinguishers are not used on any other class of fire.
Another way to cut off oxygen is to throw a blanket over the fire. It is always to be accompanied by a suitable extinguisher foam or water to cover class a risks. The fire must be discovered in its incipient stage for the extinguisher to be effective. Carbon dioxide is discharged as a white cloud of snow which smothers a fire by eliminating its oxygen. Co2 suppression systems typically are designed for flooding of a confined space. Do not allow the fire, heat, or smoke to come between you and your evacuation path. Fire extinguisher locations fire extinguishers are located throughout the workplace and readily accessible in the event of a fire. The extinguisher must be the right type for the fire.
You can usually find them in hallways, laundry rooms, meeting rooms, kitchens, mechanicalelectrical rooms, and near exit doors. Co2 fire extinguishers hand portable fire extinguisher. Co2 fire extinguishers are used for class b and c fires. Like all of buckeyes fire extinguishers, this model boasts a durable aluminum valve. Also the type of fires it is appropriate and safe to use on. Uses and advantages of co2 fire extinguishers barriehol 20181204t11. A video showing how and when to use co2 fire extinguishers by fire and safety centre. Carbon dioxide extinguishers can be used on electrical fires, as they do. Sffeco products fire extinguishers portable carbon.
Top 5 things to know about carbon dioxide extinguishers. The cylinder for co2 fire extinguishers are seamless and extruded from high grade chrome molybdenum steel or manganese steel or carbon steel. Normal air that we breathe has 21% oxygen and fire requires 16%. Yes, stop squeezing the trigger and the stream of co2 will stop. You could do the same thing with just about any nonoxidizing gas nitrogen, for example, but carbon dioxide is inexpensive and easy to store.
The successful use of a fire extinguisher depends on the following conditions. Identify a safe evacuation path before approaching the fire. Uline stocks a huge selection of carbon dioxide extinguishers and co2 fire extinguishers. Most fire extinguishers will have a pictograph label telling you which classifications of fire the extinguisher is designed to fight. Using a fire extinguisher the following steps should be followed when responding to incipient stage fire. The extinguisher must be easily accessible and in good working order. When its time to use a fire extinguisher, just remember pull aim squeeze sweep pass. Relevant identified uses of the substance or mixture and uses advised against use of the substancemixture. Do not hold the horn as it becomes extremely cold during use and can lead to severe frost burns. Initial firefighting operations in firefighting operations, you must first determine the location and type of fire and then determine the method of extinguishing the fire, as shown in table 74. The main advantage of co2 fire extinguishers is that the agent does not leave residue after use. Class d extinguishing equipment is marked with a yellow star containing the letter d. Move forward or around the fire area as the fire diminishes. Carbon dioxide is a clean, noncontaminating, odourless gas.
It takes special extinguishing agents metalx, foam to fight such a fire. The agent works by interrupting the chemical chain reaction. A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. Portable fire extinguishers can save lives and property by putting out or containing fires within the capability of the extinguisher. The type will be clearly labeled on your extinguisher. Carbon dioxidefire extinguishers extinguish the fire by separating the oxygen element from the fuel and heat, and also by removing the heat with a very cold discharge. It is effective for co2 is a clean, noncontaminating, odorless gas, safe for use on clothing, equipment, valuable documents or food. Each type of fire extinguisher is suitable for different. Fumes toxic if inhaled halon is no longer manufactured halon a trash wood paper b liquids grease c electrical equipment. Kidde 466112 abc pro multipurpose dry chemical fire extinguisher, ul rated 3a, 40b. Knowing the type, or what suppressant your extinguisher uses, can help you best use your fire extinguisher. Co2 fire extinguishers commercialgrade hand portable fire extinguishes.
Our website has your fire and safety needs covered. The fire extinguisher for a class c fire should be based on the amount of the class a or class b component. Carbon dioxide fire extinguishers wikimedia commons. Designed to protect areas where class b flammable liquids and gases or electrical class of fires. The kidde fire extinguisher cylinder was only 4 months old, this told me two things, kidde is sourcing the cylinders fresh, and that kidde is selling enough co2 fire extinguishers that they are not sitting around in a warehouse aging. Brooks fire extinguisher parts co2 hose assemblies. In case of a class c fire, first deenergize all circuits where possible. Carbon dioxide co2 fire extinguisher due to the improvement in the design and standard, we reserve the right to change the specifications without prior notice. One more issue that i wanted to bring up, is the nature of how co2 extinguishes a fire. The higher the number, the more firefighting power. It is discharged as a white cloud of snow which smothers a fire by eliminating oxygen.
Carbon dioxide, also known as co2 is a natural, colorless, odorless gas. For complicated or simultaneous fires, fog will serve in nearly every situation. Co2 fire extinguisher hose assemblies meet or exceed ul standard 154 and feature perforated, rubbercovered, wirebraided hose with heavyduty brass couplings. The most common fire extinguisher uses a dry chemical powder to extinguish flames, while some use pressurized water or wet chemicals. Carbon dioxide is discharged as a white cloud of snow which throttles a fire by eliminating the oxygen. Kidde 466180 pro 5 carbon dioxide, food and electronic. The following is a quick guide to help choose the right type of extinguisher.
A carbondioxide fire extinguisher works by eliminating oxygen and replacing it with carbon dioxide. The water mist unit uses deionized water and incorporates a unique spray nozzle. Carbon dioxide fire extinguishers co2 being an inert gas works by expelling the oxygen and thereby suffocating the fire and is suitable for common industries where small class b or electrical risks occur. These do not comply with british standards and should be replaced and disposed of in an environmentally friendly manner. Water mist fire extinguisher provide effective and economical protection for common combustible fires typical uses of water mist fire extinguishers are for common combustible fires in offices, classrooms, churches, parking garages, and hotelmotel assembly halls and guest areas. Halon 1211 818 seconds discharge time range 916 ft. The gas present in the vapour space above the liquefied co 2 itself acts as the propellant. Fire extinguisher types and uses chart northants fire. Co2 fire extinguisher, carbon dioxide extinguishers in. Kidde 21005779 pro 210 fire extinguisher, abc, 160ci, 4 lbs, 1 pack. They are not for use on class c fires due to the shock hazard. Other extinguishers, such as that pictured in figure 1, use carbon dioxide. It is not intended for use on an outofcontrol fire, such as one which has reached the ceiling, endangers the user i.