It is important to remember that this type of extinguisher. Fire extinguisher training edgerton fire protection district. Easy and effective application with the spray nozzle. 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.
Afff foam fire extinguishers sffecos research and development department knows and understands fire and the damage it can cause in mere seconds. Such a fire extinguisher is used in type a and type b fires. Foam extinguishers allow a build up of foam across the surface of the fire causing it to be smothered solid combustibles. Class b fires involving flammable liquids such as petrol, diesel or oils. The discharge stream could spread the flammable liquid in a class b fire or could create a shock hazard on a class c fire. Also the type of fires it is appropriate and safe to use on. Also, on a class a fire it creates a barrier between the fuel and the oxygen. Types of fire extinguisher in australia all you need to know february 02, 2018 there are 5 main fire extinguisher types in australia water, foam, dry powder, co2 and wet chemical. In this example, the fire extinguisher could be used on ordinary combustibles and flammable liquids fires, but not for electrical equipment fires. The alcohol tolerant concentrate fire fighting agent is effective on fires. Chemical and mechnical type portable foam fire extinguishers there are four principal types of portable fire extinguisher usually found on board ship. Foam fire extinguisher safety it is recommended that all personnel should be trained in the operation of the mobile. Approval lpcb, uk setsco singapore technical specifications model pro2foam pro6foam.
Many homes and offices will either use generalpurpose or kitchen extinguishers, but other environments, like laboratories or warehouses, might need more specific extinguishers. Aim the hose at the base of the fire, moving across the area of the fire 4. However, they must be of the correct type for the particular fire, and they must be used correctly. Fire extinguishers are pressure vessels and must be treated. New generation britannia fire has chosen to provide four types of p50 extinguisher. However, they leave a residue, which has to be cleaned up. 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. Types of fire extinguisher in australia all you need to.
There is no one extinguisher type which works on all classes of fire. Class a paper, textiles, wood, most plastics and rubber. The water component of this extinguisher removes the heat of the fire, while the foam component removes the oxygen. Class a fires involving solid materials such as wood, paper or textiles. Youve got to choose the right fire extinguisher for the job.
The foam charge must be replaced every three years with the proper amerex. A common type is the abc extinguisher, which is for use in fighting class a, b, and c fires. Fire fighting foam principles and ethanolblended fuel. Fire extinguishers are designed to tackle specific types of fire. All you ever wanted to know about fire extinguishers. Cartridge operated type portable fire extinguisher records dateinterval of servicings performed on individual fire extinguisher. This agent also works by creating a barrier between the oxygen element and the fuel element on class a fires. The foam floats on the flammable liquid and isolate them from oxygen. Foam fire extinguishers provide a fast, powerful means of tackling class a and class b fires. 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. Fire extinguisher cylinders of the lowpressure type that pass a pressure hydrostatic test shall have the information recorded on a suitable metallic label or equally durable material with a minimum size of 2.
Put fire extinguishers close to where they might be needed. Foam, water and wet chemical fire extinguishers exelgard. 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. This is produced as a guide, always check manufacturers recommendations for use and suitability. Water, water mist and afff and fffp foam extinguishers dry. Ul component parts, some are advertised as amerex type. Type of extinguishers and the classes of fire for which they can be used. Fire extinguisher types we explain the different types. Fire extinguishers are clearly marked with the classes of fires they will extinguish safely. Fire extinguisher co2 technical datahdwxuhv xhighgrade brass head assembly ensures reliability and efficiency xworking pressure bar for maximum fire fighting performance gives greater. Its role is to cool the fire and to coat the fuel, preventing its contact with oxygen, resulting in suppression of the combustion. This guide outlines the basic characteristics and types of foam as well as application hardware and. After the trigger is pressed, the foam is released from the fire extinguisher.
Approval lpcb, uk setsco singapore technical specifications model pro2foam pro6foam pro9foam. The fire extinguisher is serviced on the awarding agencys jobsite, or b. These are the sodaacid, foam, dry powder and carbon dioxide extinguishers. 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. You should have the right types of fire extinguisher. Selection of fire extinguishers there are a number of types of portable fire. Fire class of extinguisher extinguisher fire it limitations type. Chemical and mechnical type portable foam fire extinguishers. Model 254 afff atc foam unique 6 liter size fills many requirements for a lighter, more compact class a. 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. 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. Firefighting foam is a foam used for fire suppression.
The agent works by interrupting the chemical chain reaction. Working principle of a foam type portable extinguisher. Water water mist water spray foam dry powder standard dry powder specialist carbon dioxide co2 wet chemical. Also, on a class a fire it creates a barrier between the fuel. Selecting the appropriate fire extinguisher is an important consideration. Todays most widely used type of fire extinguisher is the multipurpose dry chemical that is effective on class a, b, and c fires. Foam agents also separate the oxygen from the fuel and heat. Water and foamfire extinguishers extinguish the fire by taking away the heat from the fire. Where the fire is in a liquid spill the foam must be allowed to drop slightly ahead of the fire. The fire extinguisher is serviced at a facility and the. Service and repair of fire extinguishers policy 03102009 page 2 of 2. 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.
If you use the wrong type of fire extinguisher on the wrong class of fire, you can, in fact, make. Water extinguishers are for class a fires only, they should not be used on class b or c fires. A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. Co2, foam, dry powder located in easily accessible position 2 nos. Most fire extinguishers will have a pictograph label telling you which classifications of fire the extinguisher is designed to fight. The following table illustrates the types of extinguishers, fire classes for which each is used and the limitations of each extinguisher. There are six different classes of fire and several different types of fire extinguishers. The alcohol tolerant concentrate fire fighting agent. Squeeze the lever slowly to begin discharging the extinguisher, as the fire.
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