DIN EN ISO/IEC 80079-34:2025-08 - Draft

DIN EN ISO/IEC 80079-34 specifies requirements for quality management systems for manufacturers of Ex products. The standard supplements the requirements of ISO 9001 with specific provisions for explosion-protected equipment, components and protective systems. It supports companies in consistently ensuring the conformity of their products and reliably implementing the requirements of Ex certifications.

What is DIN EN ISO/IEC 80079-34 about?

The standard describes the requirements for quality management systems for the manufacture of products used in potentially explosive atmospheres. It focuses on the control of manufacturing processes, the monitoring of product conformity, and the documentation and traceability of Ex products. It also defines requirements for external providers, outsourced processes and organizational responsibilities.

Topics covered

• Quality management systems for Ex products
• Requirements for manufacturers and production sites
• Roles and responsibilities in quality management
• Control of external providers and outsourced processes
• Documentation and record-keeping obligations
• Traceability and product conformity
• Risk management and change management
• Production, testing and release of Ex products
• Internal audits and management reviews
• Requirements for different types of protection

Practical relevance

For manufacturers of Ex products, an effective quality management system is a key prerequisite for maintaining certifications and accessing international markets. DIN EN ISO/IEC 80079-34 helps companies design processes in accordance with the standard, clearly define responsibilities and demonstrate compliance with the requirements of the relevant Ex certification.

Changes compared with DIN EN ISO/IEC 80079-34:2020

The 2025 edition has been comprehensively revised. New additions include further requirements for external providers and outsourced processes, new categories for raw materials, and rules for handling nonconforming Ex products. In addition, information obligations have been expanded, organizational models have been added, and the requirements for documentation and certification records have been clarified.

Target audience

• Manufacturers of Ex products
• Quality managers
• Ex officers
• Compliance and regulatory affairs managers
• Persons responsible for ATEX and IECEx conformity
• Certification bodies and testing bodies
• Auditors
• Manufacturers of explosion-protected equipment and components

Conclusion

DIN EN ISO/IEC 80079-34 provides the basis for standard-compliant quality management in the manufacture of Ex products. The standard supports companies in demonstrating product conformity, meeting certification requirements on an ongoing basis and transparently managing quality processes along the entire supply and value chain.