标准摘要
[中文适用范围]： IEC 60974 的这一部分规定了用于弧焊和相关工艺冷却焊枪的工业和专业液体冷却系统的安全和结构要求。 IEC 60974 的这一部分适用于连接到单独的焊接电源或内置于焊接电源外壳中的独立液体冷却系统。 IEC 60974 的本部分不适用于冷冻冷却系统。注 1：典型的相关工艺有等离子弧切割和电弧喷涂等。注 2：IEC 60974 的这一部分不包括电磁兼容性（EMC）要求。 [外文原描述]： Specifies safety and construction requirements for industrial and professional liquid cooling systems used in arc welding and allied processes to cool torches. Is applicable to stand-alone liquid cooling systems that are either connected to a separate welding power source or built into the welding power source enclosure. This new edition takes into account changes induced by the publication of the third edition of IEC 60974-1 as well as technical changes in the set-up.
英文名称Arc welding equipment - Part 2: Liquid cooling systems