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2. Oxy-fuel welding and cutting - Wikipedia

   en.wikipedia.org/wiki/Oxy-fuel_welding_and_cutting

   LPG will damage an incompatible hose, including most acetylene hoses. The threaded connectors on the hoses are handed to avoid accidental mis-connection: the thread on the oxygen hose is right-handed (as normal), while the fuel gas hose has a left-handed thread. [6] The left-handed threads also have an identifying groove cut into their nuts.

3. MAPP gas - Wikipedia

   en.wikipedia.org/wiki/MAPP_gas

   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.

4. Hose reel - Wikipedia

   en.wikipedia.org/wiki/Hose_reel

   A hose reel is a cylindrical spindle made of either metal, fiberglass, or plastic and is used for storing a hose. The most common styles of hose reels are spring driven (which is self retracting), hand crank, or motor driven. Hose reels are categorized by the diameter and length of the hose they hold, the pressure rating and the

5. Flashback arrestor - Wikipedia

   en.wikipedia.org/wiki/Flashback_arrestor

   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. Further gas flow in the event of a burnback. According to the standard DIN EN ISO 5175-1 (formerly EN 730-1) they include a minimum of two safety elements: A gas non-return valve (NV), which:

6. Self-contained breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Self-contained_breathing...

   Z88.2 notes that these SCBAs normally use compressed air, but can also use cryogenic air or compressed oxygen. However, the standard warns that "the actual service time is usually less than the NIOSH rated service time". If compressed air is used, Z88.2 requires the use of "CGA G7.1–2011 Grade D breathing air". [14]

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