Fire extinguisher classification pdf

Fire Extinguisher Classes Fires are identified using a classification system. Each class identifies the type of fuel involved and allows appropriate fire extinguisher media to be identified. 1. Before attempting to fight a fire with a fire extinguisher it is important to check that it is fully charged (Fig. 1) and. the base of the fire from the recommended safe distance. Squeeze the operating lever to discharge the fire extinguishing agent. Starting at the recommended distance, Sweep the nozzle or hose from side to side until the fire is out. Move forward or around the fire area as the fire diminishes. Watch the area in case of re-ignition. Fire Extinguisher Training. Types of Fire Extinguishers. Use of a Fire Extinguisher. Fire is a self-sustaining, chemical chain. reaction with varying degrees of light and. Fire is made up of four components. •Chemical Chain Reaction. Types of fire are separated into. different classes.

Fire extinguisher classification pdf

Dec 07,  · The fire classification marking system is expanded to include markings for extinguishers rated for Class AC and Class AK, while removing information on obsolete equipment. NFPA – Standard for Portable Fire Extinguishers, edition is available on the ANSI Webstore. Fire Extinguisher Training. Types of Fire Extinguishers. Use of a Fire Extinguisher. Fire is a self-sustaining, chemical chain. reaction with varying degrees of light and. Fire is made up of four components. •Chemical Chain Reaction. Types of fire are separated into. different classes. Class A extinguishers are for use only on Class A fires. A Class A fire extinguisher is marked with a green triangle containing the letter A. An alternative method of extinguishing a Class A fire is to smother it with a blanket, a gloved hand, or other mate- rial. Class B fires involve flammable liquids. Fire Extinguisher Ratings Class A Extinguishers will put out fires in ordinary combustibles, such as wood and paper. 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. On the basis of the type of fuel, fires are classified into the following Class A Fires —solid combustible materials of organic nature such as wood, paper, rubber, plastics, etc. Class B Fires —flammable liquids. Classification of Fire. Class C Fires —flammable gases under pressure including liquefied gases. Fire Extinguisher Types (cont.) • Class “B” or “C” fires. • lb. 8 - 30 seconds discharge time. • Range ft. CARBON DIOXIDE (CO. 2) A Trash Wood Paper B Liquids Grease C Electrical Equipment A Trash Wood Paper B Liquids Grease C Electrical Equipment. the base of the fire from the recommended safe distance. Squeeze the operating lever to discharge the fire extinguishing agent. Starting at the recommended distance, Sweep the nozzle or hose from side to side until the fire is out. Move forward or around the fire area as the fire diminishes. Watch the area in case of re-ignition. Fire Extinguisher Classes Fires are identified using a classification system. Each class identifies the type of fuel involved and allows appropriate fire extinguisher media to be identified. 1. Before attempting to fight a fire with a fire extinguisher it is important to check that it is fully charged (Fig. 1) and. Class A Extinguishers will put out fires in ordinary combustibles, such as wood and paper. The numerical rating for this class of fire extinguisher refers to the amount of water the fire extinguisher holds and amount of fire it will extinguish. Class B Extinguishers should be used on fires. GUIDELINE 5. CLASSES OF FIRE, TYPES OF PORTABLE FIRE EXTINGUISHERS, INSPECTION & MAINTENANCE OF FIRE EXTINGUISHERS IN UNIVERSITY BUILDINGS PURPOSE To provide an overview of fire extinguisher use and maintenance. DEFINITIONS Fire: Fire is the rapid oxidation of any combustible material. It is a chemical reaction involving fuel.How Does a Fire Work? • Three components. • Need all three components to start a fire. • Fire extinguishers remove one or more of the components. Class A. Dry Chemical fire extinguishers extinguish the fire primarily by interrupting the chemical reaction in the fire. Today's most widely used type of fire extinguisher is . There are basically four different types or classes of fire extinguishers, each of which extinguishes specific types of fire. Newer fire extinguishers use a. Class B. A fire extinguisher labeled with letter "B" is for use on Class B fires. Class. B fires are fires that involve flammable and combustible liquids such as. Classes of Fires and. Types of Extinguishers. EACH CLASS of fire—A, B, C, or D —has a different source. Some principles apply to putting out all fires. However. Type of extinguishers and the classes of fire for which they can be used. Water. Class A fire. Dry chemical powder. Class B & C fire. Foam. Class A & B fire. the vicinity of the fire; and. • all other persons have been evacuated from the area. Types. Fire extinguishers have a coloured band to denote their contents. Not all fires are the same, and they are classified according to the type of fuel that If you use the wrong type of fire extinguisher on the wrong class of fire. Course Overview. ▫ What is Fire? ▫ Classes of Fire. ▫ 3 A's. ▫ Types of Fire Extinguishers. ▫ Use of a Fire Extinguisher. ▫ Summary. xp zver music windows, click the following article,source,source,this web page

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Fire Extinguisher Types and Uses - A Fire Extinguisher Guide, time: 3:38
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