British Standards Institution

Source:: ISO
Committee:: EXL/23 - Explosion and fire precautions in industrial and chemical plant
Categories:: Electrical apparatus. Explosive atmospheres
Comment period start date:: 09/07/2025
Comment period end date:: 20/08/2025
Number of comments:: 0

Comment by:

20th Aug

Scope

This part of ISO/IEC 80079 specifies the requirements for the design and construction of non-electrical equipment, intended for use in explosive atmospheres, protected by the types of protection constructional safety “c”, control of ignition source “b” and liquid immersion “k”.

This part of ISO/IEC 80079 supplements and modifies the requirements in ISO 80079–36. Where a requirement of this standard conflicts with the requirement of ISO 80079–36 the requirement of this standard takes precedence.

Types of Protection “c”, “k” and “b” are not applicable for Group I, EPL Ma without additional protective precautions.

The types of ignition protection described in the standard can be used either on their own or in combination with each other to meet the requirements for equipment of Group I, Group II, and Group III depending on the ignition hazard assessment in ISO 80079–36.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

09/07/2025

3. Public Comments

Public Comments start date:

09/07/2025

Public Comments end date:

20/08/2025

Learn more about the standards development process

Standards Development

BS ISO 80079-37 ED2 Explosive atmospheres. Part 37: Non-electrical equipment for explosive atmospheres - Non electrical type of protection constructional safety "c", control of ignition source "b", liquid immersion "k"

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