In the uk, the construction of fire extinguishers is covered by two standards bs en 3. It contains a pressurized liquid agent that inhibits the chemical reaction. Fire extinguishers basic information can be used to put out incipient and localized fires classes a, b, and c are most common and refer to corresponding fire classes classes d and k are for specialized fires and must be used accordingly never use a fire extinguisher on quickly spreading fire remember the acronyms r. You can usually find them in hallways, laundry rooms, meeting rooms, kitchens, mechanicalelectrical rooms, and near exit doors. The fire must be discovered in its incipient stage for the extinguisher to be effective. Ordinary combustibles paper, wood, plastics class b. Select an extinguisher with an easytoread pressure gauge and clear instructions. Fire extinguishers from viking rugged and dependable models by strike first kitchen class and water fire extinguishers class k kitchen fire extinguisher very effective for use on combustible vegetable or animal fats in commercial cooking equipment.
Energized electrical equipmentwiring, fuse boxes, circuit breakers, machinery, and appliances. Class abc extinguishers are rated for class a, b, and c fires which include normal combustible materials, flammable liquids, and electrical fires. Nfpa regulations also require extinguishers to be inspected when initially placed in service and all local fire code and tagging requirements must be adhered to. Fire class of extinguisher extinguisher fire it limitations type extinguishes comments dry chemical a, b, c generally good for use in roofing.
The most common type of extinguisher is an abc class fire extinguisher. There are several different classifications of fires based primarily on the fuel source. The latter standard mainly covers the smaller size of fire extinguisher, while bs en 3 covers fire extinguishers from 1kg to 12kg and. Understanding this will allow you to correctly use the right fire extinguisher. Specification for small disposable fire extinguishers of the aerosol type. Exelgard uses its global connections to source high quality. Back away from an extinguished fire in case it flames up. Before using a fire extinguisher, you should know how to properly select and operate one. The type of fire extinguisher needed depends on the type of fire hazard present. Every fire extinguisher is rated for the types of fires its effective in putting out. One required within 10 of liquid storage room door.
Know the procedures they should follow to safely put out a fire with an extinguisher. Per nfpa 10, burning may be classified into one or more of the following fire classes and your fire protection specialist will select the right fire extinguisher size and agent for the hazard. A class c fire is extinguished with a dry chemical, which does not conduct electricity. Class a extinguishers will put out fires in ordinary combustibles, such as wood and paper.
When buying fire extinguishers for your business, its important to buy the right type of fire extinguisher for your needs. Once you are unhooked from shore power and turn off your inverter or generator, a fire that occurs is a class a fire rather than a class c fire. The extinguisher has not been tampered with or removed from its designated place. This agent also works by creating a barrier between the oxygen element and the fuel element on class a fires. Co2 and halon extinguishers are designed for class b and c flammable liquids and electrical. University of north dakota fire extinguisher training. Selection of a fire extinguisher it is important to use the right kind class of extinguisher for the fire. What are the fire extinguisher requirements in an rv. This powerpoint presentation will give you some knowledge about the fire triangle, the different classification of fires, the different types of fire extinguishers, and give you instruction on how to properly use a fire extinguisher. The purpose of a fire extinguisher is to control or extinguish small or incipient stage fires and to protect evacuation routes that a fire may block directly or indirectly with smoke or burning materials. Its very important to understand the four different fire or fuel source classifications. Fire extinguisher classes class a for use on wood, paper, cloth class b for use on gasoline, paints, oil class c for use on electrical wiring.
A class k fire is defined as a cooking fire involving combustion from liquids used in food preparation. The class, quantity, and placement of fire extinguishers. Only attack a chip pan fire with a wet chemical extinguisher or cover it with a fire blanket. Water fire extinguisher cooling, soaking and penetrating effect of a 40 ft. The extinguisher must be the right type for the fire. Halon 1211 818 seconds discharge time range 916 ft. Know the location of all telephones,emergency exits and fire extinguishers. Safe use of fire extinguishers fire extinguisher safety dos and donts do. Class abc extinguishers are usually filled with a dry chemical extinguishing agent. These extinguishers are used in electrical rooms and in training. A class b fire extinguisher is marked with a red square containing the letter b. The main reasons for having fire extinguishers readily available are to suppress a fire along an escape route so trapped persons can exit a burning structure and t o extinguish or contain a fire to protect property.
Fire extinguisher training western carolina university. The chemical is a very fine powder that smothers the fire when applied. Upon activating the fire extinguisher, the bottom of the extinguisher body failed. It is the sole responsibility of the supervising employee to ensure all employees under their direction obtain fire extinguisher training if employees want to use fire extinguishers. The greatest portion of this power is composed if mono.
Resources fire protection equipment specifications. To extinguish a class d fire, use a dry powder agent. Stay low when youre in a fire situation to avoid breathing smoke and vapors. Fire extinguisher locations fire extinguishers are located throughout the workplace and readily accessible in the event of a fire.
Portable fire extinguisher check sheet extinguisher inspection fire extinguisher present at the intended location either onhook or in its cabinet class d on the floor is okay fire extinguisher access not blocked pressure gage in the green carbon dioxide and yellow class d do not have gages date of servicing is less than one 1 year prior. Retraining retraining shall reestablish employee proficiency and introduce new or revised control methods and procedures, as necessary. The 3570 suitable for class d metal fires while 3572 is suitable for class d lithium fires. Class c does not include fires involving the 12volt equipment found in rvs. Pull the pin aim at base of fire squeeze the handle sweep from side to side types of fires.
Class b extinguishers may be used to extinguish both class a and class b fires. It is very important to understand the four different fire fuel classifications. Fire blankets although not an extinguisher, its still classed as portable fire fighting equipment. Cooking fires cooking fires are the number one cause of home fires and home fire injuries. It is important to use the correct extinguisher for the type of fuel. Larsens manufacturing company warrants to the original purchaser.
An apw water extinguisher is safe to use on an electrical fire. Multipurpose dry chemical extinguisher model number. It is the sole responsibility of the supervising employee to ensure all employees under their direction obtain fire extinguisher training. K guard fire extinguisher the k guard fire extinguisher is found in kitchens at all of detroit mercys campuses. A disadvantage is the mess the chemical makes when ejected from the extinguisher. Safety alert fire extinguisher a fatal injury occurred in indonesia resulting from the operation of a gas cartridge type dry chemical powder filled fire extinguisher. The numerical rating for this class of fire extinguisher refers to the amount of water the fire extinguisher holds and the amount of fire it will extinguish. Fumes toxic if inhaled halon is no longer manufactured halon a trash wood paper b liquids grease c electrical equipment. Use fire extinguisher only if you are able to identify the class of fire and have.
Types of fires types of portable fire extinguishers class a class b class c class d. Fires in ordinary combustibles, such as wood, cloth, paper, rubber, and many plastics. Understand how various classes of fires should be extinguished. The following is a quick guide to help choose the right type of extinguisher. Fire extinguisher training handson faculty, staff and students who work in labs, shops, and cooking areas where a fire extinguisher is likely to be used are encouraged to take the handson training course. This absorbs the heat the fire requires to burn and smothers it as well. Class a fires are fires in ordinary combustibles such. Mp series these units contain specially fluidized and siliconized mono ammonium phosphate powder which smothers and breaks the chain reaction on class b fires, fuses and insulates class a fires, and, as a nonconductor of electricity, is effective on class c fires. The higher the number, the more fire fighting power. Please be aware that using this type of fire extinguisher on an oil or grease fire. Fire extinguishers types of fires class a class b class c. Contact customer service for more information about ordering tagged extinguishers in your area. The following table illustrates the types of extinguishers, fire classes for which each is used and the limitations of each extinguisher. The successful use of a fire extinguisher depends on the following conditions.
Pressurized water fire hose multipurpose abc carbon dioxide gasoline, paint, alcohol, oil, etc class b fires red class c fires. Only use an extinguisher when the other occupants have escaped and someone has called the fire department. The extinguisher must be easily accessible and in good working order. We are part of the global operations of tyco fire protection services, one of the worlds premier fire protection solution companies. Class d combustible metals d magnesium sodium potassium titanium zirconium other flammable metals fire extinguisher types class a fires only. Extinguishers are rated by which types of fire they can put out, as follows. Back away from the fire area to safety once the fire is out. If you were to use the wrong type of fire extinguisher on the wrong class of fire, you may or may not be able to control or even extinguish the fire.
Recognize various types of fire extinguishers as well as how they work. Store fire extinguishers next to exits to ensure the fire is not blocking a safe escape if it spreads. Fire extinguishers are divided into four categories, based on different types of fires. Fire extinguisher training handson faculty, staff and students who work in labs, shops, and cooking areas where a fire extinguisher is likely to be. The extinguisher features a corrosionresistant yellow steel cylinder and soft flow extension applicator with builtin long range nozzle. Threeparts specifications for fire extinguishers, fire extinguisher cabinets, fire blanket cabinets, extinguisher cabinets. However, they must be of the correct type for the particular fire, and they must be used correctly. Fire extinguisher inspections fire extinguisher monthly inspections this presentation demonstrates how to properly perform a monthly inspection fire extinguishers must be inspected monthly, no more than 31 days between each inspection monthly fire extinguisher inspections are required by massachusetts, boston fire, nfpa, the joint commission. If you would like to receive this training, please watch the employee fire extinguisher training video see. Fire extinguishers 101 united federation of teachers. Multipurpose dry chemical fire extinguisher larsens. Additionally, see our checklist for preparing for an extinguisher training and the extinguisher demonstration request form to send to ppcs. Fire extinguisher tips when choosing a fire extinguisher, bigger is always better.
Class bfires involving flammable gases or liquids, such as propane, oil and gasoline class cfires involving energized electrical components class dfires involving metal. Dry chemicalabcfire extinguishers abc fire extinguishers are filled with a fine yellow powder. Class b extinguishers should be used on fires involving flammable. Larger fire extinguishers last longer, giving you more time to fight the fire and get to safety. K guard fire extinguishers are rated for class k fires. Powder fire extinguisher be au established over 18 years ago, exelgard is a leading supplier of fire protection products in australia. Potter roemer provides the 3570 and 3572 fire extinguishers suitable for class d fires. Classes of fire cont each class of fire is designated by a letter andor a symbol. Fire protection and prevention occupational safety and. Discharge the fire extinguisher with its appropriate range using the p. Fire is the rapid oxidation of any combustible material.
Fire extinguisher training university of detroit mercy. Technically a type of liquid fire, class k fires are distinct enough to warrant their own classification. Evacuate immediately if the fire extinguisher is empty and the fire is not yet out. A fire extinguisher may be utilized to clear a safe path to an exit or shoot your way out of a building if you are trapped. A rule of thumb is if the name of the metal ends with the letters um, it is a class d fire. The 40 second discharge time makes it very effective for inexperienced operators. Page 3 of 3 general fire principles of a fire extinguisher. Carbon dioxide co 2 a trash wood paper b liquids grease c electrical equipment a trash wood paper b liquids grease c electrical equipment fire extinguisher types cont. Carbon dioxide extinguishers are designed for which types of fuels.
Know the four classes of fires that you are most likely to encounter and what makes them different from each other. Fires in flammable or combustible liquids, flammable gasses. Fire extinguishers types of fires class a class b class. Kitchen class and water fire extinguishers class k kitchen fire extinguisher very effective for use on combustible vegetable or animal fats in commercial cooking equipment. Fire extinguisher guide total fire safety fire safety.
1110 1072 1046 516 1269 1418 844 431 1261 1141 324 227 1167 205 684 1353 509 876 261 1561 436 997 169 778 1101 676 120 525 1196 505 1211 1330 1477 699 73 902 837 75