IEC 60974-7:2018 PRV 
Pre release version

Arc welding equipment - Part 7: Torches


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This Final Draft International Standard is an up to 6 weeks' pre-release of the official publication. It is available for sale during its voting period: 2018-11-16 to 2018-12-28. By purchasing this FDIS now, you will automatically receive, in addition, the final publication.
IEC 60974-7:2018 specifies safety and construction requirements for torches used for arc welding and allied processes. This document is applicable to manual, mechanically guided, air-cooled, liquid-cooled, motorized, spool-on and fume extraction torches. This fourth edition cancels and replaces the third edition published in 2013 and constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
  • definitions 3.11 and 3.20 were revised;
  • requirements for rating have been added to the sequence of type tests (see 6.2);
  • the AC test voltage requirement for that utilize has been revised (see 7.5.2);
  • the test configuration of isolated circuits for that utilize has been revised (see 7.5.2);
  • the metal tube used for the heating tests has additional allowable means of cooling methods (see 8.3.2 and 8.3.5);
  • for , the instructions for use include additional information (see Clause 13, item i)).

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Additional information

Publication typeInternational Standard
Publication date2018-11-16
Available language(s)English/French
TC/SCTC 26 - Electric weldingrss
ICS25.160.30 - Welding equipment
Stability date  2020
File size1862 KB

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