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The powder also works to interrupt the chemical reaction of fire, so these extinguishers are extremely effective at putting out the fire. Pressure is generated by gas cartridges stored inside the cylinder. Its force will last for 45 seconds and can reach 3–4.5 metres (10–15 ft). [3] [1]
Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br.It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [1]
It was also widely used in the maritime industry to add a third level of protection should the main and emergency fire pumps become inoperable or ineffective. Halon 1301 was never widely used in portables outside marine, military and spacecraft applications, due to its limited range, and invisible discharge.
Fire and Rescue NSW (FRNSW) previously known as NSW Fire Brigades (NSWFB), is a agency of the New South Wales Government, Australia. FRNSW is responsible for firefighting , rescue and HAZMAT services in the major cities, metropolitan areas and towns all across the state of New South Wales .
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)
Classes B:C for 1301 and smaller 1211 fire extinguishers (2.3 kg; under 9 lbs) and A:B:C for larger units (9–17 lb or 4.1–7.7 kg). Halon gases are banned from new production under the Montreal Protocol, as of January 1, 1994, as its properties contribute to ozone depletion and long atmospheric lifetime, usually 400 years.
In fire classes, a Class B fire is a fire in flammable liquids or flammable gases, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, or alcohols. [1] For example, propane, natural gas, gasoline and kerosene fires are types of Class B fires. [2] [3] The use of lighter fluid on a charcoal grill, for example, creates a Class B ...
The coroner made recommendations about the number of fire exits, sprinkler systems, labelling of fire doors, fire extinguishers and other fire-fighting equipment and staffing. [17] The local council formed a safety department but enforcement remains sporadic as local councils are not reimbursed for legal fees in Land and Environment Court. [ 18 ]