Preamble
Recitals 64
Chapter 1 - GENERAL PROVISIONS (Article 1-5) 5
Chapter 2 - OBLIGATIONS OF ECONOMIC OPERATORS (Article 6-11) 6
Chapter 3 - CONFORMITY AND CLASSIFICATION OF PRESSURE EQUIPMENT AND ASSEMBLIES (Article 12-19) 8
Chapter 4 - NOTIFICATION OF CONFORMITY ASSESSMENT BODIES (Article 20-38) 19
Chapter 5 - UNION MARKET SURVEILLANCE, CONTROL OF PRESSURE EQUIPMENT AND ASSEMBLIES ENTERING THE UNION MARKET, AND UNION SAFEGUARD PROCEDURE (Article 39-43) 5
Chapter 5A - EMERGENCY PROCEDURES (Article 43a-43e) 5
Chapter 6 - COMMITTEE PROCEDURE AND DELEGATED ACTS (Article 44-46) 3
Chapter 7 - TRANSITIONAL AND FINAL PROVISIONS (Article 47-52) 6
Annexes 6

nominal size (DN)

Definitions over time (1)

17/07/2014 – today applies on 12/11/2026 Article 2, Directive 2014/68/EU Scope: Whole act

For the purposes of this Directive, the following definitions shall apply:

‘nominal size (DN)’ means a numerical designation of size which is common to all components in a piping system other than components indicated by outside diameters or by thread size; it is a convenient round number for reference purposes and is only loosely related to manufacturing dimensions; the nominal size is designated by DN followed by a number;