UNI EN 14797 : 2007

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Design requirements
   4.1 General
   4.2 Potential sources of ignition
5 Types of explosion venting devices
   5.1 Explosion venting devices with reusable elements
   5.2 Explosion venting devices with non reusable elements
6 Back pressure supports
   6.1 General
   6.2 Opening back pressure supports
   6.3 Non-opening back pressure supports
7 Testing of explosion venting devices
   7.1 General
   7.2 Static activation pressure
   7.3 Explosion testing
8 Information for use
9 Assembly, replacements or reusability
10 Marking
   10.1 General
   10.2 Explosion venting devices with reusable retaining
        elements
   10.3 Explosion venting devices with non-reusable
        retaining elements
   10.4 Omission of markings
11 Packaging
   11.1 General
   11.2 Marking
Annex A (informative) Examples for explosion venting devices
      A.1 Re-closing explosion venting devices
      A.2 Devices which require manual repositioning or
          replacement of the retaining element
      A.3 Devices with non reusable elements
Annex B (informative) Service and maintenance
      B.1 General
      B.2 Servicing
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 94/9/EC
Bibliography
Figures
Tables