NEK EN 60974-7:2013

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Norsk tittel: Utstyr til buesveising - Del 7: Brennere
Engelsk tittel: Arc welding equipment - Part 7:Torches
Varetype: Standard
Språk: Engelsk
Utgave: 1 (2013-06-01)
Erstatter: NEK EN 60974-7:2005 Alert Tilbaketrukket
Erstattes av: NEK EN IEC 60974-7:2019 Check Gyldig

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Omfang: IEC 60974-7:2013 specifies safety and construction requirements for torches for arc welding and allied processes. This part of IEC 60974 is applicable to manual, mechanically guided, air-cooled, liquid-cooled, motorized, spool-on and fume extraction torches. In this part of IEC 60974, a torch consists of the torch body, the cable-hose assembly and other components. This part of IEC 60974 is also applicable to a cable-hose assembly connected between a power source and ancillary equipment. This part of IEC 60974 is not applicable to electrode holders for manual metal arc welding or air-arc cutting/gouging. This third edition cancels and replaces the second edition published in 2007 and constitutes a technical revision. The significant changes with respect to the previous edition are listed below: - new requirement for degree of protection of torch coupling device (see Table 1); - scope is extended to cable-hose assembly connected between a power source and ancillary equipment (see Clause 1); - torch parts, as recommended by the manufacturer, are included in the safe plasma cutting system design (see 7.4.2); - new flammability requirement for handle material (see 11.3).
Komité: NEK/NK26
Fastsatt: 2013-06-01
Tilbaketrukket: 2022-11-08