what are the 5 types of fire extinguishers?

It’s important to be aware of the different kinds of extinguishers and which fires they are best suited for. Electrical fires are often fueled by motors, appliances, and electronic transformers. They also leave residue behind that is difficult to clean up and causes damage to soft furnishings, carpets, and electrical equipment. Paper and wood are examples. The pin releases a locking mechanism and will allow you to discharge the extinguisher. Dry Powder extinguishers can be used on most fire types including electrical devices. Dry Powder extinguishers are also known as ABC extinguishers because they can be used on fire types A, B and C. Specialist ABC extinguishers can also be used on flammable metals such as magnesium and titanium. Aim at the base of the fire, not the flames. Fire extinguishers are classified as types A, ABC, BC or K. It is important to use the right type of extinguisher on the specific class of fire to avoid personal injury or damage to property. Class… Types of Portable Fire Extinguisher. 5. Although there are many different types of fire extinguishers, all of them operate in a similar manner. Flammable gases such as butane or propane are also common fuel sources in Class B fires. First of all, you need to know that fire comes in a variety of different forms. The short answer is that is depends upon the type of fire you are dealing with, or to put it more correctly the class of fire. These types are fires use commonly flammable material as their fuel source. Class B -- flammable liquids, such as gasoline. Dry water mist extinguishers are unique in that they can combat almost all types of fires, including class F fires that are usually difficult to attack. Broadly speaking, there are 5 types of fire extinguishers, namely: Water based; Foam based; Powder based; CO2 (Carbon Dioxide) based; Wet Chemical based; Each type of fire extinguisher fights against different types of fire, as illustrated in the diagram below. Today's most widely used type of fire extinguisher is the multipurpose dry chemical that is effective on Class A, B, and C fires. This could cause the fire to be pushed and spread to surrounding areas. Fire Hoses. There are five main types of fire extinguishers: Each type is easily identifiable by their names, colours, and sometimes their hoses. an overloaded surge protector or bad wiring) and should be taken seriously. Types of fire extinguishers and their uses. Corporate Office Wood, fabric, paper, trash ,and plastics are common sources of Class A fires. However, electrical fires can occur on smaller scales in all businesses (i.e. Not all fires are the same. a) Class A Fires. Class A fires are defined as ordinary combustibles. For instance, while a class A fire can be safely extinguished with water, a class C fire cannot, as water would conduct the … When sprayed, it forms a ‘crust’, which insulates the metal. Let’s take a look at each type of fire extinguisher, their uses, and their risks below. Smothering these types of fires to remove oxygen is a common solution as are chemical reactions that produce similar effects. Fire extinguishers are one of the most commonly used fire safety devices out there, so they’ll be a familiar sight. Dry chemical extinguishers, … However, they do not effectively penetrate the spaces in equipment easily, so the fire could still re-ignite. One question we are often asked during fire safety training is “What are the different types of fire extinguishers used for?” In this article, we answer this question and also explain what the different classes of fire are. They are effective because they are capable of stopping fires that are of an extremely high temperature, particularly cooking oils and fats. Fire extinguishers are no different. Carbon dioxide extinguishers are used for combating class B and electrical fires – they suffocate the fire by displacing oxygen in the air. There are 5 main fire extinguisher types – Water, Foam, Dry Powder, CO2 and Wet Chemical. Throughout this article, we will explain the different classes of fires, the symbols that identify these, and the different types of extinguishers and their uses. Fax: 540 636-4455. There are 5 kinds of fire extinguishers. Because they do not leave any substances behind and so minimise damage done to equipment, unlike other extinguishers, they are particularly useful for offices and workshops where electrical fires may occur. For example, using a water extinguisher on an electrical fire or a carbon dioxide one on a burning oil fire is extremely dangerous. Types of fire extinguishers and their suitability. Fumes from CO2 extinguishers can asphyxiate if used in confined spaces: ventilate the area as soon as the fire has been controlled. This prevents the fire from spreading to other flammable materials and smothers the fire to prevent oxygen from reacting with the metal again. In addition, it may be that the presence of a fire extinguisher is made compulsory by the insurance company or any national compliance authority or body. That is why they have been classified in 6 different categories: We have a range of completely online courses, whether that is Fire Safety Training for general awareness, specific training if you work in a school or care home, Fire Warden Training for individuals in your business, or Fire Extinguisher Training to supplement your Fire Warden Training and practical extinguisher training. Every business is different and so are the potential dangers they face. Each type of fire extinguisher contains different materials that make them suitable for fighting certain types of fires, and is designed to safely and effectively discharge its contents. Trash fires are one such example. Fire extinguishers are an integral part of the fire safety … Front Royal, Virginia 22630, TOLL FREE Phone: 800 255-5515 These types of fire extinguishers are identifiable by the words ‘wet chemical’ printed across a yellow rectangle. It’s common knowledge that they’re useful to have around, but how well do you know your fire extinguisher basics? When buying fire extinguishers for your business, it’s important to buy the right type of fire extinguisher for your needs. Share on Facebook. Every fire extinguisher is rated for the types of fires it’s effective in putting out. ABC dry powder fire extinguishers can also be safely used on fires involving electrical equipment like flammable solids and liquids. The best method of application is to spray in slow circular motions. You must be able to use the extinguisher in the correct manner and should be trained before attempting to put out fires. To identify whether a fire extinguisher is a dry chemical one, you will notice that the tank will have a hose and a pressure gauge on them. The downside to ABC powder extinguishers is that they pose a danger of inhalation when used in close spaces. This type of fire might be started by old wiring in walls, frayed electrical cords, worn-out breaker boxes, or faulty appliances. The wrong type of extinguisher could cause electrical shock, explosion, or spread the fire. Examples of such combustible metals include titanium, magnesium, aluminum, and potassium. It smothers the flames and seals vapours so that re-ignition cannot occur. : Pull the Pin at the top of the extinguisher. Such fires can be very dangerous and far more destructive than you may think. © 2019 High Speed Training Ltd. All rights reserved. They are primarily water based but contain a foaming agent, which has rapid flame knock-down and a blanketing effect. The strong jet from the extinguisher would push the burning oils or fats and spread the fire to surrounding areas. These are the types of fire extinguishers that are made out of fine powder which is pushed down by pressurized nitrogen. The extinguisher has a low velocity applicator to ensure that the M28 or L2 powder is applied gently and efficiently to burning metal and to prevent the swarf from spreading. The fire … Metals includes lithium, magnesium, sodium, or aluminium, for example. These types of fire extinguishers will be solid red and will have the words ‘water mist’ printed within a white rectangle. You may believe that you are prepared if you have a fire extinguisher on site, but you may not be as prepared as you think. The gas becomes extremely cold during its discharge and so this could damage your hands. They also have a distinct type of hose. When it comes to the types of fire extinguishers, there are five main types including wet chemical, CO2, dry powder, foam and water. Types of Fire Extinguishers Class A. The first category consists of fires caused by combustible materials such as flammable solids like wood, fabric, and paper. By. The fire extinguishers in New Zealand are a little different from the ones you find in other countries. There are different ‘classes’ of fire, for which each extinguisher is designed to tackle. Let’s take a look! Warning: Although they are not currently classified as suitable for fighting class B (liquids) and C (gases) fires, dry water mist extinguishers have been identified by fireservice.co.uk as effective against them.

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