范围:IEC 60974的本部分规定了用于电弧焊接和相关工艺中冷却焊炬的工业和专业液体冷却系统的安全和施工要求。 本文件适用于独立式（与焊接设备分开）或内置式（与其他焊接设备一起封装在单个外壳中）的液体冷却系统。 本文件不适用于冷冻冷却系统。 注1:典型的相关工艺为电弧切割和电弧喷涂。 注2:IEC 60974的本部分不包括IEC 60974-10中给出的电磁兼容性（EMC）要求。交叉引用:EN IEC 60974-1:2018IEC 60974-7:2013IEC 60974-10:2014EN 60974-7:2013IEC 60974-1:2017EN 60974-10:2014购买本文件时可获得的所有现行修订均包含在购买本文件中。

Scope: This part of IEC 60974 specifies safety and construction requirements for industrial and professional LIQUID COOLING SYSTEMS used in arc welding and allied processes to cool torches. This document is applicable to LIQUID COOLING SYSTEMS which are stand-alone (separate from the welding equipment) or built-in (housed in a single enclosure with other welding equipment). This document is not applicable to refrigerated cooling systems. NOTE 1 Typical allied processes are electric arc cutting and arc spraying. NOTE 2 This part of IEC 60974 does not include electromagnetic compatibility (EMC) requirements that are given in IEC 60974-10.Cross References:EN IEC 60974-1:2018IEC 60974-7:2013IEC 60974-10:2014EN 60974-7:2013IEC 60974-1:2017EN 60974-10:2014All current amendments available at time of purchase are included with the purchase of this document.