Foam fire extinguisher safety it is recommended that all personnel should be trained in the operation of the mobile. Cartridge operated type portable fire extinguisher records dateinterval of servicings performed on individual fire extinguisher. Never discharge a fire extinguisher into anyones face never throw an extinguisher into the fire or leave it unattended if the fire is not out pressure buildup could cause an explosion from even a partially full extinguisher keep fire. The water component of this extinguisher removes the heat of the fire, while the foam component removes the oxygen. Afff foam fire extinguishers sffecos research and development department knows and understands fire and the damage it can cause in mere seconds.
Youve got to choose the right fire extinguisher for the job. Many homes and offices will either use generalpurpose or kitchen extinguishers, but other environments, like laboratories or warehouses, might need more specific extinguishers. Fire extinguisher co2 technical datahdwxuhv xhighgrade brass head assembly ensures reliability and efficiency xworking pressure bar for maximum fire fighting performance gives greater. Foam extinguishers allow a build up of foam across the surface of the fire causing it to be smothered solid combustibles. It is important to remember that this type of extinguisher. Chemical and mechnical type portable foam fire extinguishers. Fire extinguisher training edgerton fire protection district. This is produced as a guide, always check manufacturers recommendations for use and suitability. Also, on a class a fire it creates a barrier between the fuel and the oxygen. Water and foamfire extinguishers extinguish the fire by taking away the heat from the fire. Selecting the appropriate fire extinguisher is an important consideration. Approval lpcb, uk setsco singapore technical specifications model pro2foam pro6foam.
It is not intended for use on an outofcontrol fire, such as one which has reached the ceiling, endangers the user, or otherwise requires the expertise of a fire brigade. There is no one extinguisher type which works on all classes of fire. The alcohol tolerant concentrate fire fighting agent is effective on fires. Fire fighting foam principles and ethanolblended fuel. Manufacturer of a wide range of products which include mechanical foam fire extinguisher 9ltr, foam fire extinguisher, portable fire extinguisher, auto fire extinguisher, trolley mounted fire extinguishers and dry chemical fire extinguisher. The foam floats on the flammable liquid and isolate them from oxygen. Aim the hose at the base of the fire, moving across the area of the fire 4. Fire extinguishers are designed to tackle specific types of fire. The discharge stream could spread the flammable liquid in a class b fire or could create a shock hazard on a class c fire. However, they leave a residue, which has to be cleaned up. This guide outlines the basic characteristics and types of foam as well as application hardware and. The alcohol tolerant concentrate fire fighting agent.
New generation britannia fire has chosen to provide four types of p50 extinguisher. These are the sodaacid, foam, dry powder and carbon dioxide extinguishers. The p50 extinguishers are tested at britannia fire s test facilities, witnessed by the european inspection authority apragaz and bsi. Nonportable fire extinguisher 6 liters foam extinguisher. The foam charge must be replaced every three years with the proper amerex.
Type of extinguishers and the classes of fire for which they can be used. Put fire extinguishers close to where they might be needed. The fire extinguisher is serviced at a facility and the. Easy and effective application with the spray nozzle.
In this example, the fire extinguisher could be used on ordinary combustibles and flammable liquids fires, but not for electrical equipment fires. Water water mist water spray foam dry powder standard dry powder specialist carbon dioxide co2 wet chemical. There are six different classes of fire and several different types of fire extinguishers. Its role is to cool the fire and to coat the fuel, preventing its contact with oxygen, resulting in suppression of the combustion. Selection of fire extinguishers there are a number of types of portable fire. Fire fighting foam principles and ethanolblended fuel basic foam principles ig 5 7 foam terminology before discussing the types of foam and the foam making process, it is important to understand the following terms. Foam, water and wet chemical fire extinguishers exelgard. Class a fires involving solid materials such as wood, paper or textiles.
Foam fire extinguishers provide a fast, powerful means of tackling class a and class b fires. Service and repair of fire extinguishers policy 03102009 page 2 of 2. Most fire extinguishers will have a pictograph label telling you which classifications of fire the extinguisher is designed to fight. Also the type of fires it is appropriate and safe to use on. Approval lpcb, uk setsco singapore technical specifications model pro2foam pro6foam pro9foam. Chemical and mechnical type portable foam fire extinguishers there are four principal types of portable fire extinguisher usually found on board ship. The fire extinguisher is serviced on the awarding agencys jobsite, or b.
Fire extinguishers are clearly marked with the classes of fires they will extinguish safely. The agent works by interrupting the chemical chain reaction. Foam agents also separate the oxygen from the fuel and heat. Fire extinguisher types we explain the different types. Ul component parts, some are advertised as amerex type.
Fire class of extinguisher extinguisher fire it limitations type. A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. When using afff on a container of burning liquid the foam must be directed towards the back or side wall of the container and allowed to spread over the surface. Types of fire extinguisher in australia all you need to. Todays most widely used type of fire extinguisher is the multipurpose dry chemical that is effective on class a, b, and c fires. Class b fires involving flammable liquids such as petrol, diesel or oils. Working principle of a foam type portable extinguisher. Automatic foam extinguishers afff aqueous film forming foam works by firstly applying a film forming foam bubbles to the fire which causes a blanket over the fire, suffocating the fire, while. Model 254 afff atc foam unique 6 liter size fills many requirements for a lighter, more compact class a. The following table illustrates the types of extinguishers, fire classes for which each is used and the limitations of each extinguisher. This agent also works by creating a barrier between the oxygen element and the fuel element on class a fires.
Where the fire is in a liquid spill the foam must be allowed to drop slightly ahead of the fire. After the trigger is pressed, the foam is released from the fire extinguisher. You should have the right types of fire extinguisher. However, they must be of the correct type for the particular fire, and they must be used correctly. If you use the wrong type of fire extinguisher on the wrong class of fire, you can, in fact, make. Co2, foam, dry powder located in easily accessible position 2 nos. Class a paper, textiles, wood, most plastics and rubber. Also, on a class a fire it creates a barrier between the fuel. Where the fire is in a liquid spill the foam must be allowed to drop slightly ahead of the fire and moved forward with a side to side movement of the nozzle.
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