EN 12952-14:2004

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Installations for the storage of liquefied pressurized ammonia
  4.1 Plant design
  4.2 Materials
  4.3 Design of storage vessel
  4.4 Manufacture
  4.5 Tests and inspections prior to commissioning
  4.6 Piping systems for ammonia
  4.7 Electrical equipment
  4.8 Equipment of storage vessels
  4.9 Evaporator station
5 Installations for the storage of liquid ammonia
  5.1 Plant design
  5.2 Materials
  5.3 Design of storage vessel
  5.4 Manufacture
  5.5 Testing and inspection prior to commissioning
  5.6 Pipe systems for ammonia
  5.7 Electrical equipment
  5.8 Equipment
  5.9 Production of ammonia vapour
Annex A (informative) Operational aspects
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive for Pressure Equipment
Bibliography

This draft European Standard covers the safety requirements regarding the storage and use of:-liquefied pressurized ammonia for steam boiler plants;-liquid ammonia water solution for the reduction of NOx in the flue gas from boiler plants.Annex A summarizes the operational aspects.