Point the extinguisher discharge horn at the front edge of the base of the fire (the lowest point of the fire nearest you). When aimed at the material causing the fire, it forms a ‘blanket’ over the fire. Some fire extinguishers may be made for more than one type of fire, and they will be labeled as such: "ABC" or "BC," for example. There are different variations of the powder fire extinguisher, but they all work in the same way. They fight fires in a majority of residential and commercial applications, including homes, office buildings, retail stores, hotels, schools, and more. Whether you need smoke detectors, fire extinguishers, or an automatic sprinkler system installed at your commercial property, Fireline has you covered. Halon does not displace the air out of the area where it is dispensed. Make sure you can hold and operate the model you are buying. The chemical with which a fire extinguisher is infused varies depending on the purpose for which it is used. How do I dispose of a used extinguisher? You turn it upside down or strike a plunger (depends on model), to release sulfuric acid into the water containing sodium bicarbonate, resulting in carbon dioxide gas pressure. Every home, office and car should have a fire extinguisher. This chemical spreads easily and melts over the flames to cover the fire in the case of class A and E fires, and thus puts it out. They are available with two different types of extinguishing agents, a copper powder or a sodium chloride. Watch more Home Security & Safety videos: http://www.howcast.com/videos/341988-How-to-Use-a-Fire-ExtinguisherAccidents happen. Specifically, I wanted to know, “how does a water fire extinguisher work?” Water fire extinguishers are designed differently than other fire extinguisher types, so I did a little research. Contained within the fire extinguisher is an extinguishing agent. Fire requires fuel, heat and oxygen to burn. What does differ are the agents used on the fire. Never cradle it horizontally or at an angle in your arms. Fire Extinguisher Sizes. Each fire extinguisher also has a numerical rating that serves as a guide for the amount of fire the extinguisher can handle. Once you understand what classification you need, it’s time to consider the size of your fire extinguishers. How Does A Dry Powder Fire Extinguisher Work? If the extinguisher is too heavy to hold properly, place on the floor next to you and operate. How They Work. An "ABC" extinguisher will have a label like this, indicating that it may be used on class A,B, and C fires. There are two other classes of fires shown on the diagram , D and K . The extinguishing agent is a dry chemical. Advantages of Halon fire extinguisher. In an electrical fire, the water may conduct the current, which can electrocute you. Dial 911. Regular Fire Extinguisher Inspection. But how do you know when it’s time to replace, recharge, or completely dispose of it? When it comes to fire extinguisher safety, it’s also important to have the right tool for the job. Fire extinguishers apply an agent that will cool burning heat, smother fuel or remove oxygen so the fire cannot continue to burn. If your building or property's extinguishers are expired or become damaged over time, you are putting people at risk - and not mention the costly damages that you could incur in the event of a fire. ABE fire extinguishers are filled with the chemical powder, monoammonium phosphate (MAP), which acts as an extinguishing agent. ABC multi-purpose fire extinguishers are the most common in use today. The most common type of extinguisher is called an ABC. While these materials don’t expire, the fire extinguisher can become depressurized over time, and the lack of pressure causes the extinguisher to become inoperable. You do not need to throw it to the fire when you are in near the fire, it starts automatically with a high pitched alarm within 3-10 seconds when it touches by fire. You can purchase fire extinguisher stands online or from a fire safety supply store. Be careful, high-rated units are often heavier models. There are five types of fire. Remember - extinguishers are designed to be operated in an upright position. It is an ABC class fire extinguisher that can easily fight a small fire. Dry chemical extinguishers put out fire by coating the fuel with a thin layer of dust, separating the fuel from the oxygen in the air. It can work in low concentration. Fire extinguishers based on so called ABC powder are useful against the most common types of fire. It is not intended for use on an out-of-control fire, such as one which has reached the ceiling, endangers the user (i.e., no escape route, smoke, explosion hazard, etc. Il peut détecter automatiquement la condition d'incendie sans aucune opération et éteindre automatiquement le feu. Just as the fire extinguisher itself typically doesn’t expire, neither do the contents inside. Community Q&A Search. Most people will not deal with those types of fires in their home or office. The majority of fires can be extinguished using an ABC. You can also secure the fire extinguisher with a vice. If you store a fire extinguisher in a garage, basement, shed or outdoors, you might wonder if the cold from these uninsulated areas would damage the fire safety device. The idea behind a dry chemical fire extinguisher is to blanket the fuel with an inert solid (similar to dirt or sand). What is a Class D Fire Extinguisher? A fire extinguisher should be “listed and labeled” by an independent testing laboratory. It works in two different ways: 1. Dry powder is kept under pressure inside a cylinder. Having a fire extinguisher ready and available is the first step in fire safety. Add New Question. Engineers say that either type of extinguisher will work on car fires, but you’ll need a larger capacity extinguisher with halon. Class ABC: This is an all-purpose fire extinguisher that works on class A, B, and C fires. A general use ABC dry powder Fire Extinguisher should normally have a life of 12 years with a complete rebuild and recharge required after 6 years. Yes … Set the extinguisher upright on a stable, flat, surface. Advertisement. A portable fire extinguisher can quickly control a small fire if applied by an individual properly trained. Ideally, you should secure it in place, e.g., by setting it on a portable fire extinguisher stand. Class D fire extinguishers are used to put out large combustible metal fires, such as a magnesium, lithium, or lithium alloy fires. Something as small as a broken pin or a rusty cylinder can have significant impacts on the extinguisher’s ability to function correctly, and can pose a real threat to people and property alike in the event of a fire. Question. The higher the rating number on an A or B extinguisher, the more fire it can put out.
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