![]() ![]() Normal water-based extinguishers with large droplets would cause an 'explosion' of steam and carry burning oils and fats from the container. Wet chemical extinguishers are unique in that they lay a cooling foam layer on top of the burning fat/oil and react with the liquid, stopping air supply to the fire. ![]() Combustible metal fires are unique industrial hazards which require special fire extinguishers.įires involving particularly hot or deep oil and grease fires, such as deep fat fryers in commercial kitchens or overheated oil pan fires in homes. Fire Class Iconįires involving solid combustible materials such as wood, textiles, straw, paper, coal etc.įires caused by combustion of liquids or materials that liquify such as petrol, oils, fats, paints, tar, ether, alcohol, stearin and paraffin.įires caused by combustion of gases such as methane, propane, hydrogen, acetylene, natural gas and city gas.įires involving combustible metals such as magnesium, aluminium, lithium, sodium, potassium and their alloys. Read our fire extinguisher types guide to find out which extinguisher is suitable for each class of fire, or click on a fire class below to buy suitable fire extinguishers for that class. This helps users to select an appropriate fire extinguisher in the event of a fire. Each of the fire classes is represented by a letter of the alphabet (with the exception of electrical which are simply referred to as "electrical fires") and an icon. Knowing the right fire extinguisher to use at the right time could save your business and even your life, so make sure to educate yourself about the proper application and operation of fire extinguishers.The fire classification system is designed to categorise fires into groups based on the type of fuel involved. Take notice of the different types of extinguishers within your facility and ask your Cintas Fire Protection service technician to help you better understand what their purpose is. There are several other types of specialized fire extinguishers, includingĭ-Class fire extinguishers, clean agent fire extinguishers, water fire extinguishers and more. The agent within the extinguisher is a specialized potassium acetate based, low PH liquid designed specifically to coat cooking oil fires and suppress potentially catastrophic kitchen grease fires. For example, in kitchen cooking areas where there is open flame and cooking media, there will always be a silver K-Class extinguisher hanging on the wall. If you find a fire extinguisher other than a standard ABC hanging it is most likely because it is protecting a specific hazard located nearby. A disadvantage is the agent within this extinguisher is a dry powder and if discharged in a room with sensitive equipment the powder can damage the equipment and can be difficult to fully clean up and remove. The advantage of the ABC multi-purpose fire extinguisher is it’s diverse application under multiple fire conditions. It attaches itself to the material that is heated and smothers the fire until it is suppressed. The agent within an ABC fire extinguisher is comprised mainly of mono-ammonium phosphate and ammonium sulphate which acts like a heat seeking missile when introduced onto a heat source. The ABC multipurpose fire extinguisher is the most common fire extinguisher and serves as a great “all purpose” fire extinguisher for common areas and paths of egress within your facility. ![]() Class K – for vegetable oils, animal oils or fat used in cooking appliances Class B – for flammable liquids like gasoline, alcohol and paint Class A – ordinary combustible materials like cloth, paper and wood Fire extinguishers are a great way to prevent small fires from becoming large ones, but how do you know which extinguisher to use on which kind of fire?įires are classified into specific “types” based on their fuel source. ![]() In order for a fire to start there are three main components that must be present, a fuel source, oxygen, and a heat source these three elements are commonly known as the “Fire Triangle.” When all three of the elements are present, a fire ignites and can quickly become a very large problem for you and your business. ![]()
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