EN ISO 80079-37:2016

European Foreword
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Determination of suitability
5 Requirements for equipment with Type of Protection
   constructional safety 'c'
6 Requirements for equipment with Type of Protection
   control of ignition source 'b'
7 Requirements for equipment with Type of Protection
   liquid immersion 'k'
8 Type tests
9 Documentation
10 Marking
Annex A (informative) - Approach and application:
        equipment with Type of Protection 'c'
Annex B (normative) - Test requirements
Annex C (informative) - Methodology: equipment with
        Type of Protection 'b'
Annex D (informative) - Approach to assign the required
        ignition protection type used for equipment to achieve
        different EPL
Annex E (informative) - Information on functional safety
        concept
Bibliography
Annex ZA (informative) - Relationship between this
         European Standard and the Essential
         Requirements of EU Directive 2014/34/EU
Annex ZB (informative) - - Significant changes between
         this European Standard and EN 13463-5:2011,
         EN 13463-6:2005 and EN 13463-8:2003

ISO 80079-37:2016 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. Keywords: constructional safety "c", control of ignition source "b" and liquid immersion "k"