Maintenance agency EN/13445

EN 13445 Maintenance Agency


The maintenance agency is intended to facilitate the use of the EN 13445 series by providing, at European level, an accelerated process to give official answers to questions or modification requests regarding the application of this standard. They provide information about the updates and evolution of the standard. This information can be found and complemented at national level, by the standardization body in charge of this standard.

Overview and organisation of the maintenance agency

EN 13445 series of standards provides rules for the design, fabrication, and inspection of pressure vessels. It provides one means of conforming to essential safety requirements of the Pressure Equipment Directive 2014/68/EU (so-called PED). Through the publication of its reference in the Official Journal of the European Union, it gives presumption of conformity to the essential safety requirements identified in the Annex ZA of each part.
EN 13445 is the key standard in the field of pressure equipment.

The fourth edition of EN 13445 “Unfired pressure vessels” was published in July 2014. The main changes between the 2014 edition and the 2021 edition are detailed in the document : Changes 2014-2021.

EN 13445 is divided into parts which cover the following items :

It is completed by four technical reports (informative documents) :

EN 13445 Maintenance agency acts under the responsibility of the technical committee CEN/TC 54. It is the central point for collecting questions that are addressed either during meetings or by correspondence. When the experts cannot resolve the questions by e-mail, they discuss during the meetings of the maintenance agency for final validation. The answers to the questions are reviewed by the working groups of CEN/TC 54 and submitted to the maintenance agency experts for validation. The applicant is informed whatever the question leads to an action (interpretation, correction or modification) or not.

Agences de maintenance EN 13445 et EN 13480 VE 2023

News and incoming evolution

  • The 2021 Edition is available : to get this standard, contact your national standardisation body or buy it on the AFNOR store.
  • This new edition is published under the reference EN 13445:2021 (parts 1 to 6, 8 and 10), and incorporates the corrections and amendments to the 2014 edition. Examples of applications: two technical reports published under the references CEN/TR 13445-101 and 102 show respectively an example of application of EN 13445 to the design and fabrication of an unfired pressure vessel, and to the design of a vertical vessel with bracket supports. Part 10 is being finalised. It will deal with nickel and nickel alloy vessels.

2022 Ongoing evolution

Other topics

Questions asked from 2015 to 2021

The list of questions registered on EN 13445:2014 is available below:
The questions are given in a chronological order for each part (or subpart).
Additional information
You can download additional information or click on the link below:
Ask your questions

If you have any questions, please download and complete the question document and send it using the form below.

Adresse email / Email address *
Prénom / First name *
Nom / Last name *
Organisme / Organization *
Pièces jointes : merci de joindre obligatoirement le document de soumission de question (voir ci-dessus) */ Please add the question document to the form. *
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Experts of the maintenance agency
The following experts, involved in the preparation of the EN 13445 series of standards, are part of the maintenance agency:
Expert name
Andreas Kittel
Frank Wohnsland
Peter Langenberg
Ruediger Gawlick
Piet Verbesselt
Olavi Valtonen
Mika Vartiainen
Cécile Petesch
Guy Baylac
Manuella Triay
Nadiège Ludivion
Philippe Rohart
Jorge Enrique Munoz Garcia
Fernando Lidonnici
Simon Earland
Miles Gardner
Sarah Kelly
Phil Bygate
Phil Orton
Pierre Carpentier
Ulf Malmström
Thierry Legrand
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