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There have been examples of oxyhydrogen cutting sets with small (scuba-sized) gas cylinders worn on the user's back in a backpack harness, for rescue work, and similar. There are also examples of both non-pressurized and pressurized liquid fuel cutting torches, usually using gasoline (petrol).
Depending on the application they are also often used at the torch side as an additional safety device. Flashback arrestors help prevent: Further gas flow in the case of pressure shocks. The entry of air or oxygen into the distribution line or single cylinders. Flashbacks which are the rapid propagation of a flame down the hose.
oxyacetylene welding equipment, glass lampworking torches, and some gas cutting torches, usually in high pressure cylinders; use as liquid rocket propellants for rocket engines, usually as liquid oxygen at ambient pressure; athletes, specifically on American football sidelines, to expedite recovery after exertion, in high-pressure cylinders. [2]
While blowing air is effective, blowing oxygen produces higher temperatures, and it is also practical to invert the roles of the gasses and blow fuel through air. Contemporary blowtorches and oxy-fuel welding and cutting torches can be considered to be modern developments of the blowpipe. Kit for blowpipe analysis Carl Osterland, Freiberg, c. 1870
Oxyhydrogen is a mixture of hydrogen (H 2) and oxygen (O 2) gases. This gaseous mixture is used for torches to process refractory materials and was the first [1] gaseous mixture used for welding. Theoretically, a ratio of 2:1 hydrogen:oxygen is enough to achieve maximum efficiency; in practice a ratio 4:1 or 5:1 is needed to avoid an oxidizing ...
A set of MAPP and oxygen cylinders is used for oxy-fuel welding and cutting.. MAPP gas was a trademarked name, belonging to The Linde Group, a division of the former global chemical giant Union Carbide, for a fuel gas based on a stabilized mixture of methylacetylene (propyne), propadiene and propane.