A gas bottle is a receiver for transport and the storage of under pressure standing gases and steams. The bottle can possess contents of up to 50 litres with a pressure of up to 300 bar. Such gas bottles are filled primarily with gases, whose critical point lies clearly below the ambient temperature of 20 C"° and which cannot be liquefied therefore.

Liquid gas bottles contain liquefied gases under pressure. Their maximally permissible pressure depends on the steam pressure of its contents.

Gas bottles and liquid gas bottles are locked with a special armature, onto which, in connection with a pressure-reducing valve a suitable hose line or piping can be usually screwed for the controlled withdrawal of its contents.

The coat of paint on the gas bottles gives information over contents. With conversion of the DIN EN 1089-3 the bottles receive new identification colour codes.

Examples:

• Acetylene (C2H2) = kastanienbraun
• Oxygen (CO2) = knows (technical oxygen: blue with white shoulder; with medical the bottle is completely white)
• Nitrogen (N2) = black
• Helium (He) = brown
• Carbon dioxide (CO2) = grey

Gas bottles, which contain propane, butane and their mixtures, as well as pressurized packages do not have to be coloured marked, since they are marked by a flame symbol usually. Nevertheless these bottles are coloured marked, but by the following meaning:

• red = pledge bottle (related to a certain enterprise; Conversion only in the catchment area of the appropriate contractor possible.)
• grey = property bottle (this kind of bottle can be exchanged almost European-wide.)

Bottle connections

Gas bottles have to avoid different screw connections according to DIN depending upon kind of gas around confounding. The use of adapters is expressly forbidden in Germany!

GasConnectionAcetyleneHandle connection (similarly INT Tauchfla)Compressed airR5/8 " internal threadInert gases (N2, He, CO2)G 3/4 " external threadOxygenR5/8 " external threadother gaseous fuels (e.g. H2)G 3/4 " external left-hand thread(List not completely and without warranty)

Articles in category "Gas bottle"

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