BS EN 731:1996- Gas welding equipment. Air-aspirated hand blowpipes. Specifications and tests
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This European Standard specifies the requirements and test methods for air-aspirated hand blowpipes.
This European Standard applies to blowpipes for brazing, soldering, heating, fusion and other allied
thermal processes, which use a fuel gas and intended for manual use. aspirated air (injector-type blowpipes), and areThis standard is applicable to:
- air-aspirated hand blowpipes which are fed with a fuel gas in the gaseous phase, at a supply hose;
controlled pressure by a regulator, through a gas
- air-aspirated hand blowpipes which are fed
with a liquefied fuel gas in the gaseous phase at
hose;
the container pressure, through a gas supply so-called liquid-phase blowpipes which are fed
with a fuel gas in the liquid phase, and where thermal evaporation takes place within the
blowpipe.
