Gas welding equipment. Air-aspirated hand blowpipes. Specifications and tests1 Scope This International Standard specifies requirements and test methods for air aspirated hand blowpipes. This International Standard applies to blowpipes for brazing, soldering, heating, fusion and other allied thermal processes, which use a fuel gas and aspirated air (injector type blowpipes), and are intended for manual use. This International Standard is applicable to: air aspirated hand blowpipes which are fed with a fuel gas in the gaseous

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The requirements apply to:

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on mounting surfaces

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or that are identified by “ISO 14343-B”