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The soda-acid extinguisher was first patented in 1866 by Francois Carlier of France, which mixed a solution of water and sodium bicarbonate with tartaric acid, producing the propellant carbon dioxide (CO 2) gas. A soda-acid extinguisher was patented in the U.S. in 1880 by Almon M. Granger.
Soda-acid extinguisher Weak water/acid solution inside a pressure vessel, which activates bicarbonate of soda when triggered, expelling "water" (mixture) under pressure from the resulting carbon dioxide. These are obsolete and usually replaced with an APW or multipurpose extinguisher. Soft suction hose, soft sleeve
The Pyrene Company Limited from their beginning in 1914, until 1971 when they became Chubb Fire Security Limited, were among the world's leaders in the manufacture of fire fighting equipment. The name Pyrene was epitomised by their famous 'pump' extinguisher which was installed on public transport, commercial and private vehicles throughout the ...
The fire extinguisher worked on the principle of a pressurised CO 2 cartridge being pierced, the pressure inside thus released expanding into the extinguisher body and expelling the contents under pressure. Other types of extinguishers worked by mixing sulphuric acid with a solution of bicarbonate and water-the soda acid extinguisher.
Sodium bicarbonate (IUPAC name: sodium hydrogencarbonate [9]), commonly known as baking soda or bicarbonate of soda, is a chemical compound with the formula NaHCO 3. It is a salt composed of a sodium cation (Na +) and a bicarbonate anion (HCO 3 −). Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder.
Fire extinguishers are one of the most common manual fire suppression devices and are required in all commercial buildings and vehicles. [2] Fire extinguishers can be used with little to no training and are meant for small incipient stage fires. The most common extinguisher is the ABC extinguisher and are found in most offices and homes.