Common types of fire extinguisher

Choosing the right type of fire extinguisher available, can be a confusing task for many types of fire extinguisher. You should be aware of extinguisher if you choose, because each type is designed to extinguish a fire caused by different materials.

Fire extinguishers are divided into different classes in which they are used. These extinguishers have a figure for theits use. Class A extinguishers are for ordinary combustible materials. These include paper, cardboard, plastic and wood. The numerical rating found on this type of fire extinguisher to extinguish shows the amount of water can keep the amount of fire. Class B extinguishers are designed to extinguish fires caused by negligence or flammable and combustible liquids such as oil, gasoline and kerosene. The numerical value forClass B fire extinguisher indicates the area in square meters can extinguish.

Class C extinguishers extinguishing fires involving electrical equipment such equipment, including appliances, sockets, cables and circuits. When it comes to a Class C fire, it is important to remember that water should not be used to pay off because the risk of electric shock is great. Class C extinguishers have extinctionunfavorable and have no numerical rating. One of the most common types are fire extinguisher found in a chemical laboratory. This type is classified as a Class D fire extinguisher for fire and inflammable materials, such as sodium, potassium, magnesium and titanium. Same class C fire extinguishers, Class D fire extinguishers have a numerical rating and are used only for Class D fire.

Unless these classifications, fire extinguishers are classified according to the extinguishing agent used. Water fire extinguisher, also known as air-pressurized water extinguisher is suitable for Class A fires Using a water extinguisher on a class C or class D will only increase the fire so be careful when determining the nature of fire to use a fire extinguisher. A water fire> Extinguisher filled with water and the pressure of oxygen, can be very dangerous for the wrong kind of situation. Only fight a fire with a fire extinguisher water if you know that the fire was caused by ordinary combustible materials.

Dust is a different type of fire extinguisher and a variety of species. This type of extinguisher is suitable for a combination of class A, B and C fire. dry chemical extinguishers are filled with foam or dry, pressurized with nitrogen. The normal type of dry chemical is one that is full of sodium bicarbonate and potassium bicarbonate. This is called the BC fire extinguisher. The BC variety leaves a light caustic residue which must be cleaned immediately to prevent further damage.

Another variety is the fire extinguisher is an ABC multipurpose dry> Monoammonium phosphate fire extinguisher filled with damaging to electrical appliances. Compared with CO2 extinguishers, dry chemical extinguishers have an advantage because they allow the fuel residue on the material not extinct.

On the other hand, CO2 extinguishers have an advantage over dry chemical that does not leave residues that can damage an electronic device. These extinguishers containing carbon dioxide andare under enormous pressure to fight fires.

These are the most common types of fire extinguisher that can be the basis of selection. Make sure you have the most suitable, so you're protected by point.

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