CEI EN 60079-13 : 2011

FOREWORD
1. Scope
2. Normative references
3. Terms and definitions
4. Requirements for rooms
5. Clean air supply
6. Purging and cleaning
7. Temperature limits
8. Minimum safety provisions, safety
    devices and electrical disconnects
9. Pressurized room in a hazardous
    area and with no internal source of
    flammable Substance
10. Pressurized room in a hazardous
    area and containing an internal
    source of flammable substance
11. Pressurized room in a non-hazardous
    area with internal source of flammable
    substance (type of protection pv)
12. Verification
13. Marking
14. Technical documentation
Annex A (normative) - Containment system
Annex B (informative) - Maintenance
Annex C (informative) - Guidelines when
        pressurization not immediately restored
Annex D (normative) - Classification of the
        type of release within rooms
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Describes the requirements for the design, construction, assessment and testing and marking of rooms protected by pressurization in a room located in an explosive gas atmosphere or explosive dust atmosphere hazardous area that does not include an internal source of a flammable substance.