It is important to remember, that electrical equipment must be disconnected from its electrical source before using a water extinguisher on it. Electrical equipment must be unplugged and/or de-energized before using a water extinguisher on it.ĪPWs extinguish fire by taking away the "heat" element of the fire triangle. Water is a good conductor, and there is some concern for electrocution if you were to use water to extinguish an electrical fire. Never use water to extinguish an electrical fire. Water is extremely ineffective at extinguishing this type of fire, and you may, in fact, spread the fire if you try to use water on it. Never use water to extinguish flammable liquid fires. In essence, an APW is just a giant squirt gun.ĪPWs stand about 2 feet tall and weigh approximately 25 pounds when full.ĪPWs are designed for Class A (wood, paper, cloth) fires only. Image has text "APW," "Will have gauge," "air" with two down arrows indicating down pressure, and "water" over blue to indicate the contents of the tank.ĪPW stands for "air-pressurized water." APWs are large, silver extinguishers that are filled about two-thirds of the way with ordinary tap water, then pressurized with normal air. 3, 2017, has been updated with current information.Air-Pressurized Water (APW) Extinguishers The water fire extinguisher is an excellent solution if you run the risk of Class A fires involving paper, rubbish, wood, cloth or other carbon-based. It's important to remember that each fire requires a different extinguisher based on the circumstances.Īnd if you're going to use an extinguisher, just remember PASS: pull the pin, aim the nozzle or hose at the base of the fire, squeeze the operating level to discharge the extinguishing agent and sweep the nozzle or hose from side to side until the fire is out. ![]() These extinguishers are used for fires involving cooking oils and greases, such as animal and vegetable fats. These extinguishers are used for fires involving combustible metals, such as potassium, sodium, aluminum and magnesium. These extinguishers are used for fires involving electrical equipment, such as motors, transformers and appliances. ![]() These extinguishers are used for fires involving flammable liquids, such as grease, gasoline and oil. These extinguishers are used for fires involving ordinary combustibles, such as wood, paper, cloth, trash and plastics. All Relish Fire water fire extinguishers are new and are supplied fully filled. What the fire extinguishers are used for: Water is an effective cooling agent which works by absorbing heat from a fire. ![]() Here's a breakdown of fire extinguishers classified by type: Fire extinguishers classified by type: Some extinguishers can be used on more than one class of fire, while others warn against the use of specific class extinguishers. They can be used on Class B and C fires.Īnd because all fires are fueled differently, there's a variety of extinguishers based on the fire type. They also remove the heat with a cold discharge. They're most effective on Class A, B and C fires.ĬO2 fire extinguisher: Carbon dioxide extinguishers take away the oxygen element of the fire triangle. They're used for Class A fires only.ĭry chemical fire extinguisher: Dry chemical extinguishers extinguish the fire by interrupting the chemical reaction of the fire triangle. Water fire extinguisher: Water fire extinguishers douse fires by taking away the heat element of the fire triangle. The most common types of fire extinguishers used on different types of fire fuels are:
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |