IEC 60974-7-2019弧焊设备--第7部分：焊炬(枪)Arc welding equipment -- Part 7: Torches

This part of IEC 60974 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. 
In this document, a TORCH consists of the TORCH BODY, the CABLE-HOSE ASSEMBLY and other 
components. 
This document is also applicable to a CABLE-HOSE ASSEMBLY connected between a power 
source and ancillary equipment. 
This document is not applicable to electrode holders for manual metal arc welding or air-arc 
cutting/gouging. 
NOTE 1 Typical allied processes are electric arc cutting and arc spraying. 
NOTE 2 Other components are listed in Table A.1. 
NOTE 3 In this document, all procedures and requirements are the same for “TORCHES” and “GUNS”. For 
convenience, the term "TORCH" is used in the following text.dition 4.0 2019-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Arc welding equipment – Part 7: Torches Matériel de soudage à l’arc – Partie 7: Torches IEC 60974-7:2019-01(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright ？ 2019 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means