EN 13445-4 status as harmonised is important for the application for pressure equipment design in accordance with PED.
EN 13445-4 is a harmonised standard in acc. to the European Pressure Equipment Directive (PED) and contains specified requirements for fabrication of unfired pressure vessels covered by EN 13445-1 and constructed of steels. It contains requirements for traceability of materials, manufacturing tolerances, welding requirements, requirements for non-welded permanent joints, production tests, forming requirements, heat treatment, repairs and finishing.
Presumption of conformity
Pressure equipment or assemblies which are in conformity with harmonised standards or parts thereof the references of which have been published in the Official Journal of the European Union shall be presumed to be in conformity with the essential safety requirements covered by those standards or parts thereof, referred to in Annex I of PED.
Harmonised current status of EN 13445-4
The following table show the current harmonised status of this standard:
| Standard ( replaced) | Standard (new) | Title of standard | End of presumption of conformity the replaced standard | Date of start of presumption of conformity the new standard |
|---|---|---|---|---|
| EN 13445-4:2014 | EN 13445-4:2021 | Unfired pressure vessels – Part 4: Fabrication | Jun. 21, 2023 | Dec. 21, 2021 |
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Current list of all published harmonised standards and specifications for the PED
The EN 13445 series comprises European standard for unfired pressure vessel – Overview
