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Specifications of fire extinguishers are set out in the standard AS/NZS 1841, the most recent version being released in 2007. All fire extinguishers must be painted signal red. Except for water extinguishers, each extinguisher has a coloured band near the top, covering at least 10% of the extinguisher's body length, specifying its contents.
Dry chemical powder is used on all classes of fires. Dry chemical powder puts out the fire by coating the burning material with a thin layer of dust, thereby separating the fuel from the oxygen in the air. The powder also works to interrupt the chemical reaction of fire, so these extinguishers are extremely effective at putting out the fire.
Keeping a fire extinguisher in your home is good defense against small fires, helping you control them before they get out of hand. The Best 6 Fire Extinguishers For Your Home, According to an ...
Fire extinguishers containing compressed or liquefied gas UN 1045: 2.3: Fluorine, compressed UN 1046: 2.2: Helium, compressed UN 1047? (UN No. no longer in use) UN 1048: 2.3: Hydrogen bromide, anhydrous UN 1049: 2.1: Hydrogen, compressed: UN 1050: 2.3: Hydrogen chloride, anhydrous UN 1051: 6.1: Hydrogen cyanide, stabilized with less than 3 ...
A short piece of fire hose, usually 10 to 20 feet (6.1 m) long, of large diameter, greater than 2.5 inches (64 mm) and as large as 6 inches (150 mm), used to move water from a fire hydrant to the fire engine, when the fire apparatus is parked close to the hydrant.
The larger the burn pan fire, the larger the rating and the longer the extinguisher must discharge to be able to handle the larger volume of fire before running out. For a given size extinguisher the resulting effect is a lower flow rate, resulting in a higher UL rating. Generally for same size extinguishers (agent capacity)
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