The reality is however that a portable fire extinguisher is effective only for the type and size of a fire that it is rated for. Portable extinguishers are classified by expected application on a specific type of fire i. The 9 types of fire extinguishers and how to use them. Class d extinguishing equipment is marked with a yellow star containing the letter d. Mar 01, 2012 there are 9 different types of fire extinguishers. Check the chart below to match extinguishers to a particular class of fire. A fire extinguisher is an active fire protection used to put out or control small fires usually in emergency situations and i am focusing on the foam fire extinguisher.
It takes special extinguishing agents metalx, foam to fight such a fire. Chemical and mechnical type portable foam fire extinguishers there are four principal types of portable fire extinguisher usually found on board ship. Easy and effective application with air aspirated nozzle. Foam fire extinguishers are colour coded with a cream label and work in two ways depending on the type of fire. Fire red epoxy polyester powder coatedpainted in synthetic enamel. This material safety sheet does not replace the users own judgement of the size of the. The various types of fire extinguisher put out fires started with different types of fuel these are called classes of fire.
The extinguisher must be easily accessible and in good working order. Based on the fire extinguishing agent, three types of fire extinguishers can be distinguished. The higher the number, the more fire fighting power. Mini firefighter all purpose fire extinguisher classes abck gasoline, kitchen grease oil and fats, electric and wood fires for home apartment office student boat rv camping, 1pack mff01. The fire extinguisher is supplied filled and ready to use with a durable base, wall fixing bracket, protective plastic lining and a unique spray.
How to use a foam fire extinguisher on class b liquid fires. There are six different classes of fire and several different types of fire extinguishers. The charge shall consist of foam concentrate conforming to is 4989 part 2 and quantity not less than 8 liter for 6 percent concentrate or 4 liter for 3 percent concentrate and balance quantity of water to make the foam water solution to 5 litres. If used on class c fires, it will create a shock hazard. Each fire extinguisher also has a numerical rating that serves as a guide for the amount of fire the extinguisher can handle. Stored pressure fire extinguishers are the most common type.
Powder fire extinguishers abe the powder fire extinguisher abe, distinguished by a white coloured band around the top of the cylinder, is the most widely used type of fire extinguisher suited for fires occurring in the house, boat, garage, car or caravan. Unfortunately, no one agent is effective in fighting all types classes of fires. A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. Mechanical foam fire extinguisher, mechanical foam afff. Things you need to know about using fire extinguishers in a. Specification for portable fire extinguisher, mechanical foam type first revision see other formats disclosure to promote the right to information whereas the parliament of india has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency. The top countries of suppliers are india, china, and india, from which the percentage of foam type fire extinguisher supply is 2%, 96%, and 2% respectively. Usually, water, dcp and foam fire extinguishers smother the class a fire by removing the heating factor of the fire.
And if it is leakage petroleum leading to jet fire then you should use. You should have the right types of fire extinguisher for your premises, or you may not meet current regulations. A portable fire extinguisher is a device used to put out fires of limited size. A portable fire extinguisher by definition is an item of equipment for the purpose of extinguishing a fire. The foam is not classified as hazardous according to regulations for chemicals. Amerex 2 12 gallon uscg afff foam fire extinguisher w wall hanger. The alcohol resistant fire fighting agent is effective on fires in a wide variety of class b materials such as alcohols, polar solvents, hydrocarbons and.
For example pressurized water, carbon dioxide and wet chemical extinguisher may need to be serviced every 5 years while dry chemical powder may need to be serviced every 12 years. What are the ingredientscontents used in the manufacturing process. Most fire extinguishers will have a pictograph label telling you which. Use the right type of extinguisher for fighting the fire. Firefighting foam is a foam used for fire suppression. Fire safety training how to use a foam fire extinguisher. Jun 04, 2017 depends on the type of petroleum fire, suppose if there is petroleum spill fire then you should use foam extinguisher conditions that the surface area of burning fire is small. The carbon dioxide fire extinguisher should be used on class b and c fires. Foam fire extinguishers work by covering a burning flammable liquid with a blanket of foam, cutting off the fires air supply and preventing the release of flammable vapours.
Jan 18, 2016 a foam fire extinguisher discharges a foam solution under pressure that forms a blanket or film on the surface of a burning liquid creating a barrier between the fire vapours and the air necessary to support combustion thereby smothering the fire. The agent works by interrupting the chemical chain reaction. Fire extinguishers, co2, water, powder, wet chemical. Portable fire extinguishers classification, rating and performance testing. If you use the wrong type of fire extinguisher on the wrong class of fire, you can, in fact, make. Todays most widely used type of fire extinguisher is the multipurpose dry chemical that is effective on class a, b, and c fires. Fire extinguisher types we explain the different types. The water and foam extinguisher eliminates a fire by allowing water to take away the heat component of a fire while foam separates oxygen from the fire. Foam spray extinguishers are especially suitable for class b fires involving flammable liquids such as oils, spirits, fats and certain plastics. The following is a quick guide to help choose the right type of extinguisher. Jul 05, 2015 9 litres foam fire extinguishers chemical foam foam is an effective smothering agent, used for liquid fires mainly.
In order to simplify efficient inspection, a pressure cartridge is recommendable. Different types of fire extinguishers used on ships marine insight. Also, on a class a fire it creates a barrier between the fuel and the oxygen. Afff antifreeze apply broken or missing burning carbon dioxide extinguishers cartridge class a extinguisher class a fires class. Foam fire extinguishers are one of the most common types of fire extinguisher, and are generally used for fires involving flammable solids and liquids. Approval lpcb, uk setsco singapore technical specifications model pro2foam pro6foam pro9foam. A foam fire extinguisher discharges a foam solution under pressure that forms a blanket or film on the surface of a burning liquid creating a barrier between the fire vapours and the air necessary to support combustion thereby smothering the fire. A 9 litre portable foam fire extinguisher of the inverting type as shown in both the. We leading manufacture all type of fire extinguisher like a b c and b c dry powder cartridge and stored pressure fire extinguisher, co2 fire extinguisher, mechanical foam afff fire extinguisher, water co2 type fire extinguisher, clean agent fire extinguisher, modular automatic fire extinguishers and all kind of fire fighting equipments. Jun 07, 2010 short clip on how to correctly and safely use a foam based fire extinguisher. A fire extinguisher is an active fire protection device used to extinguish or control small fires. Fire extinguishers are designed to tackle specific types of fire.
Fire extinguisher types we explain the different types of. Amerex dry chemical wheeled unit fire extinguishers. Different types of fire extinguishers different types of. The top countries of suppliers are india, china, and india, from which the percentage of foam type fire extinguisher supply is. Fire extinguisher arihant fire protection services pvt. What you ought to know about fire extinguishers united. Fire class is a term used to denote the type of fire, in relation to the combustion materials which have ignited. Which extinguisher is used for petrolium fire foam type or.
Information about hazards and packaging of wares, 1994. Use the fire extinguisher only if you have attended practical training. Foam fire extinguisher safety it is recommended that all personnel should be trained in the operation of the mobile. Afff foam fire extinguisher 3ltr afff foam extinguisher. Mechanical foam fire extinguisher, mechanical foam afff, afff. There can be two types of foam fire extinguisher depending upon its contents. Generally, the agents applied are water, chemical foam, dry powder, halon, or carbon dioxide co 2. High expansion can be used on small scale class b hydrocarbon fires. The fire extinguisher is supplied filled and ready to use with a durable base, wall fixing bracket, protective plastic lining and a unique spray nozzle, designed to comply with.
The fire must be discovered in its incipient stage for the extinguisher to be effective. A water extinguisher should only be used on class a fires combustibles such as wood, paper, cloth, trash, and plastics. Composition classification chemical name chemical formula. The duration for servicing or replacing a fire extinguisher depends on the type of the fire extinguisher. The four types of fires are grouped according to the type of material that is burning. For class a fires including solids, like wood, paper, carpet, and fabrics foam extinguishers work by cooling the burning material. Afff aqueous film forming foam fire extinguisher is particularly suited to combat liquid spill fires such as petrol, oil, fats and paints. The higher the number, the more firefighting power. Get plain talk for fighting fire in the nfpa guide to portable fire extinguishers.
This type of extinguisher is designed to handle the three primary types of fires. Fire extinguishers can stop fire in its tracks, especially if you know the ins and outs. Type of extinguishers and the classes of fire for which they can be used. Chemical and mechnical type portable foam fire extinguishers. Foam fire extinguishers chemical foam 9 litres dieselship. Fire extinguishers operating on dry chemicals are most often utilized in settings where a fire stands a good chance of growing rapidly and dramatically, such as in gas stations. Portable foam applicator unit shall consist of a foam nozzle inductor type connected to a fire main via fire hose together with portable tank containing at least 20 ltr of foam forming liquid. Expansion ra tes expansion rate is the ratio of finished foam produced. Short clip on how to correctly and safely use a foam based fire extinguisher. The surfactants used must produce foam in concentration of less. Foam fire extinguishers are marked with a blue band.
What is a foam fire extinguisher used for afff aqueous film forming foams foam fire extinguishers are suitable to fight burning solids such as wood as well as liquid fires such as burning petrol. A loaded stream fire extinguisher is effective on class a fires. It acts by flowing over the liquid fuel oil surface and isolating the fire from the air, also prevents reignition due to the foam stability. Fire extinguisher an overview sciencedirect topics. Fire fighting foam was invented by the russian engineer and chemist. With dry chemical extinguishers, nitrogen is typically used. These fire extinguishers leave no powder residue and are effective on class a and some class b fires. Class d fire extinguishers are not used on any other class of fire. The successful use of a fire extinguisher depends on the following conditions. Its role is to cool the fire and to coat the fuel, preventing its contact with oxygen, resulting in suppression of the combustion. The foam extinguisher can only be used on class a and class b fires only. Unlike powder, foam can be used to progressively extinguish fires without flashback.
Foam extinguisher material safety data sheet updated. It works by forming a frothy film on the liquid to extinguish the fire. Class b fires involving flammable liquids such as petrol, diesel or oils. Foam fire extinguishers can be identified by its color labelingwhich is red with blue band. Foam spray extinguishers are especially suitable for class b fires. Working principle of a foam type portable extinguisher are explained below. Fire extinguishers operating on dry chemicals are most often utilized in settings where a fire stands a good chance of growing rapidly and dramatically, such as in gas stations or other places with large oil reserves. The successful use of any type of fire equipment fire extinguishers, fire. Fire extinguishers are available in different types with each one having specific fire classes that they are suitable for use on. There are different types of fire extinguishers such as water based, powder based, co2, foam, wet chemical, etc. Fire hydrants 43, the conventional system and the alternative system 48, static water supplies.
The material in a class d extinguisher is a foam product that puts out the fire by replacing the oxygen near it. Class a fires involving solid materials such as wood, paper or textiles. It is a must both in homes and businesses to place fire extinguishers throughout the building for safety. Learn about each type of portable fire extinguisher used on ships. How fire extinguisher is made material, manufacture, history, used. The alcohol resistant fire fighting agent is effective on fires in a wide variety of class b materials such as alcohols, polar solvents, hydrocarbons and combinations such as gasohol. You can also choose from plastic foam type fire extinguisher there are 527 suppliers who sells foam type fire extinguisher on, mainly located in asia. Not all fires are the same and similarly not all fire extinguishers are the. There are two basic types of signage associated with portable fire extinguishers, a red, rectangular sign with a white pictorial of a fire extinguisher known as a location sign and an optional circular identification disc, specifying contents and type of fire on which the extinguisher is to be used. The fire extinguisher label should clearly indicate what kinds of fires it is safe to use on. Foam fire extinguisher secure deposit safe types from. Heiser fire extinguishers and chemical amerex fire. Co2 carbon dioxide extinguishers are for class b and c fires. The gauge is not in the green or proper pressure area extinguishers must be inspected by a licensed fire extinguisher maintenance contractor once a year in the intervening 5 years.
A good, general use fire extinguisher, suitable for the majority of business premises. It is not intended for use on an outofcontrol fire, such as one which has reached the ceiling, endangers the user i. Afff foam fire extinguishers spray foam fire extinguishers. The blanketing effect of foam spray gives rapid knock down which smothers the flame and thus prevents reignition of flammable vapours by sealing the surface of the solution. These are the sodaacid, foam, dry powder and carbon dioxide extinguishers. Portable fire extinguishers specific requirements for foam type extinguishers. Foam concentra tes fire fighting foam is a stable mass of small bubbles of lower density than most flammable liquids and water.
I chose a fire extinguisher because fire fighting has always interested me and i plan on being a firefighter. When used as a fire barrier, air aspiration of the foam solution is critical. Extinguishers should be used depending on the type of fire. It works by applying a frothy foam or seal over the fuel, preventing oxygen reaching it. Fire fighting foams have been grouped into two main types. This type of fire extinguisher takes away the oxygen from a fire and removes the heat with a cold discharge. There are two basic types of water type fire extinguishers, loaded stream, and foam. Control rules for working environment and hazardous elements in the working environment. The extinguisher must be the right type for the fire. Talk with suppliers directly to customize your desired product and ask for the lowest price, good discount, and shipping fees.
Fire extinguishers meeting bs en3 should have a red body ral 3000 and an agent specific colour band. Recharging of the fire extinguisher shall be of approved type. The foam has the ability to creep over the burning liquid or to soak into burning materials such as settees. Foam is a blanketing and cooling agent that is produced by mixing air into a foam solution that contains water and foam concentrate. Depends on the type of petroleum fire, suppose if there is petroleum spill fire then you should use foam extinguisher conditions that the surface area of burning fire is small. Always position yourself with an exit or means of escape behind you before you attempt to use an extinguisher to put out a fire. Charge the charge shall consist of foam concentrate conforming to is 4989 part 2 and quantity not less than 8 liter for 6 percent concentrate or 4 liter for 3 percent concentrate and balance quantity of water to make the foam water solution to 5 litres. Water and foam fire extinguishers extinguish the fire by taking away the heat element of the fire triangle.
Synthetic detergent foam mid and high expansion effective on class a fires, high expansion is very useful for confined space firefighting and as a wetting agent. Foam extinguishers technical data sheet foam spray extinguishers, afff aqueous film forming foam, are ideal for multirisk situations where both class a combustable materials and class b flammable liquid risks are likely to be found, or where class b represents a direct hazard. Fire fighting foam was invented by the russian engineer and chemist aleksandr loran in 1902. Find details of companies offering foam fire extinguisher at best price. Other types of extinguishers work only on a certain class of fire.
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