EN 13445-1:2002

Unfired pressure vessels - Part 1: General

Publication date:   Jun 11, 2004

General information

99.60 Withdrawal effective   Jul 22, 2009


CEN/TC 54 Unfired pressure vessels

European Norm

23.020.30   Pressure vessels



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This Part of this European Standard defines the terms, definitions, symbols and units that are used throughout the EN 13445.
This Part of EN 13445 also gives guidelines on the principles on which each part of the standard has been based. This information is aimed to aid the user of the EN 13445. This European Standard applies to unfired pressure vessels subject to a maximum allowable pressure greater than 0,5 bar gauge but may be used for vessels operating at lower pressures, including vacuum.
This European Standard applies to maximum allowable temperatures for which creep effects need not be considered, i.e. for maximum allowable temperatures for which the corresponding maximum calculation temperature renders a relevant proof strength smaller than the 100 000 h creep rupture strength. For ferritic steels the temperature limit corresponds to calculation temperatures below approximately 380 °C
In EN13445-3:2002 two methods of Design by Analysis (DBA) are given in Annex B and Annex C respectively. Both of these are normative. However Parts 2, 4 and 5 of this edition of the standard do not include provision within their respective areas of responsibility for vessels designed using Design by Analysis - Direct Route (DBA) of Annex B of EN13445-3
NOTE The selection, application and installation of safety related accessories intended to protect pressure vessels during operation are covered in prEN 764-7.

Related legislation

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Pressure equipment


Life cycle


EN 13445-1:2002
99.60 Withdrawal effective
Jul 22, 2009


Adopted from ISO/DIS 2694 NOT_EQUIVALENT