IEC 60079-19 applies to service facilities involved in the overhaul, repair, or reclamation of Ex equipment. It covers only those factors related to equipment designed for hazardous areas where explosive atmospheres present a risk. 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 of IEC 60079-19 cancels and replaces the fourth edition published in 2019. This edition constitutes a technical revision.
Users of IEC 60079-19 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.
