NEN EN 12327 : 2012

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
4 Pressure testing
      4.1 General
      4.2 Classification of test methods
      4.3 Hydrostatic testing
      4.4 Pneumatic testing
      4.5 Leak detection
      4.6 Test report
5 Commissioning and Decommissioning
      5.1 General/planning
      5.2 Commissioning
      5.3 Decommissioning
Annex A (informative) Purging criteria
Annex B (informative) List of TC 234 standards

Explains common principles for pressure testing, commissioning and decommissioning of gas infrastructures as covered by the functional European Standards of the Technical Committee CEN/TC 234.