NEN EN 12952-1 : 2015

Foreword
1 Scope
   1.1 General
   1.2 Boiler assembly
   1.3 Other plant equipment
   1.4 Exclusions
2 Normative references
3 Definitions
   3.1 Purchaser
   3.2 Manufacturer
   3.3 Designer
   3.4 Material supplier
   3.5 Material producer
   3.6 Responsible authority
4 Symbols and abbreviations
5 Responsibilities
   5.1 Responsibilities of the purchaser
   5.2 Responsibilities of the manufacturer
   5.3 Responsible authority
6 Interpretations
7 Design/type appraisal of pressure parts
Annex A (informative) Guidance in the use of the
        conformity assessment procedures
   A.1 General
   A.2 Principles for the application of the FED
Annex ZA (informative) Clauses of this European Standard
         addressing essential safety requirements or other
         provisions of the Pressure Equipment Directive

Pertains to water-tube boilers with volumes in excess of two litres for the generation of steam and/or hot water at a maximum allowable pressure PS greater than 0,5 bar and with a temperature in excess of 110 degrees C as well as auxiliary installations (other plant equipment).