PREN 14797 : DRAFT 2003

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General principles of design
   4.1 General
   4.2 Potential sources of ignition
5 Types of explosion venting devices
   5.1 Explosion venting devices with re-usable elements (see annex A)
   5.2 Explosion venting devices with non re-usable elements
   5.3 Flameless explosion venting devices
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 Determination of the static activation pressure
   7.3 Explosion testing
   7.4 Leak testing
   7.5 Flameless explosion venting devices
8 Instructions
9 Assembly, replacements or re-usability
10 Marking
   10.1 General
   10.2 Devices with re-usable elements and flameless devices
   10.3 Devices with non re-usable elements and flameless
        devices
   10.4 Omission of markings
11 Documentation
12 Packaging
   12.1 General
   12.2 Marking
Annex A (informative) Examples for explosion venting devices
        A.1 Explosion venting devices with re-usable elements
        A.2 Explosion venting devices with non re-usable elements
Annex B (informative) Need for test
Annex ZA (informative) Clauses of this European Standard addressing
         essential requirements or other provisions of EU Directives
Bibliography