标准摘要
[中文适用范围]： IEC 60079-19:2025适用于服务设施，仅涵盖与在危险区域中专门设计的Ex设备的检修、维修或再利用相关因素，其中危险由爆炸性大气引起。Ex设备可通过检修、维修或再利用来弥补在运行、检查和维护过程中发现的缺陷。本标准不包括以下内容： • 关于电缆和布线系统的建议，这些系统在设备重新安装时可能需要更换； • 保护类型“m”的检修或大修； • Ex部件的维修或大修； • 对从事其制造设备的检修和维修的制造商的要求。 本第五版取消并替代了2019年发布的第四版。本版属于技术修订。建议本文件的使用者注意，可能发布有助于阐明本文件解释的解释性文件。解释性文件可在IEC网络商店获取，并可在每份文件页面的“历史”标签中找到。IEC 60079-19第五版（2025）与第四版（2019）之间的变更意义详见本标准的前言。 [外文原描述]： IEC 60079-19:2025 applies to service facilities and covers only those factors related to overhaul, repair or reclamation of Ex Equipment specifically designed for hazardous areas, where the hazard is caused by explosive atmospheres. Ex Equipment can be overhauled, repaired or reclaimed to mitigate deficiencies identified during operation, inspection and maintenance. It does not include: • advice on cable and wiring systems which can require a renewal when the equipment is re-installed; • Repair or overhaul of Type of Protection “m”; • Repair or overhaul of Ex Components; • Requirements for manufacturers who overhaul and repair equipment which they have manufactured This fifth edition cancels and replaces the fourth edition published in 2019. This edition constitutes a technical revision. Users of this document are advised that interpretation sheets clarifying the interpretation of this document can be published. Interpretation sheets are available from the IEC webstore and can be found in the “history” tab of the page for each document. The significance of changes between IEC 60079-19, Edition 5 (2025) and IEC 60079-19, Edition 4 (2019) are as listed in the foreword of this standard.
英文名称Explosive atmospheres - Part 19: Equipment repair, overhaul and reclamation