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UL 147 Document Information:
Title
UL Standard for Safety Hand-Held Torches for Fuel Gases
Underwriters Laboratories Inc.
Publication Date:
Feb 10, 2005
Scope:
These requirements cover hand-held torches of the air aspirating type for operations such as heating, soldering, and brazing.
Torches covered by these requirements are intended to operate on commercial grade fuel gases other than acetylene as defined in the Standard for Design and Installation of Oxygen-Fuel Gas Systems for Welding, Cutting, and Allied Processes, NFPA 51-2002.
Torches covered by these requirements are intended for direct connection to disposable containers covered in the Standard for Nonrefillable (Disposable) Type Fuel Gas Cylinder Assemblies, UL 147A, Standard for Nonrefillable (Disposable) Type Metal Container Assemblies for Butane, UL 147B, or similar type disposable containers, or as covered by 1.4.
Torches covered by these requirements may incorporate integral container assemblies which may be refillable.
LP-Gas torches are intended for use in accordance with the Liquefied Petroleum Gas Code, NFPA 58-2004.
Torches covered by these requirements shall be permitted to incorporate a hose assembly and shall be permitted to be used with refillable containers greater than 2.71 pound (1.23 kg) water capacity.
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