Article
A Guide to the EN ISO 80079 Standard Series
By Engaged Expert
Simon Barrowcliff
With the implementation of the EN ISO 80079 standard series in 2016, manufacturers now have access to a truly global set of requirements for mechanical ATEX equipment.
EN ISO 80079是重要的释放,因为e it addresses basic requirements and protection concepts for mechanical explosion protected equipment on an international level. Previous standards, in the EN 13463 series, had addressed mechanical explosion protection but were limited to use within Europe under the ATEX Directive. In contrast, the EN ISO 80079 series has global application and can be used within the extended scope of the IECEx scheme which now includes mechanical equipment.
The EN ISO 80079 series will replace the EN 13463 series under the ATEX directive after 31 October 2019.
How is EN ISO 80079 Different?
The EN 13463 series had numerous standards covering mechanical explosion protected equipment. ISO 80079 simplifies this, covering requirements in three major sections.
EN ISO 80079-36This section covers basic requirements for design, construction and testing of most non-electrical equipment and components with their own potential ignition source.
EN ISO 80079-37Section 37 gives requirements for non-electrical equipment under three different types of protection: Constructional safety (“c”), Control of ignition source (“b”), and Liquid immersion (“k”).
EN ISO 80079-38While section 36 specifies basic requirements for general mechanical equipment and section 37 covers specific types of protected equipment, Section 38 is dedicated to equipment and components in explosive atmospheres in underground mines, specifically components or products that may be susceptible to firedamp and combustible dust.
Documentation requirements for EN ISO 80079
For products that were previously compliant with the EN 13463 series under the ATEX, directive (link), EN ISO 80079 introduced several new documentation procedures. Since the new standard series uses IEC 60079-0 as the reference document for many of its tests and requirements, the standards can be treated similarly to the IEC 60079 concept standards (such as Ex e).
Because of this, use of the new standards are most visible in the Ex marking on equipment. Mechanical equipment under 80079 is now marked Ex has part of the Ex coding (e.g., Ex h IIB T4 Gb).
In addition, the type of protection (e.g. “c,” “b” or “k”) from EN ISO 80079-37 cannot be recognized from the Ex marking code “h” and is reliant on the description of the type of protection outlined in the user instructions.
How Can I Stay Certified?
The new EN ISO 80079 series standards do not alter the fundamental compliance of equipment that fully met standards in the EN 13463 series. However, the new standards do require a re-evaluation to prove compliance with the state of the art requirements of the ATEX directive before 31 October 2019. Our experts can help determine how your current certification is affected, providing guidance, support and testing to ensure that your products are still compliant.
For more information about our services,contact ustoday.
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