SIST EN 19:2024/oprA1:2026
(Amendment)Industrial valves - Marking of metallic valves
Industrial valves - Marking of metallic valves
This document specifies the requirements for marking of industrial metallic valves. It defines the method of applying the markings, on the body, on a flange, on an identification plate or any other location.
When specified as a normative reference in a valve product or performance standard, this document is considered in conjunction with the specified requirements of that valve product or performance standard.
The marking requirements for plastic valves are not within the scope of this document.
Industriearmaturen - Kennzeichnung von Armaturen aus Metall
Robinetterie industrielle - Marquage des appareils de robinetterie métalliques
Industrijski ventili - Označevanje kovinskih ventilov - Dopolnilo A1
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-januar-2026
Industrijski ventili - Označevanje kovinskih ventilov - Dopolnilo A1
Industrial valves - Marking of metallic valves
Industriearmaturen - Kennzeichnung von Armaturen aus Metall
Robinetterie industrielle - Marquage des appareils de robinetterie métalliques
Ta slovenski standard je istoveten z: EN 19:2023/prA1
ICS:
23.060.01 Ventili na splošno Valves in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
EUROPEAN STANDARD
EN 19:2023
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
November 2025
ICS 23.060.01
English Version
Industrial valves - Marking of metallic valves
Robinetterie industrielle - Marquage des appareils de Industriearmaturen - Kennzeichnung von Armaturen
robinetterie métalliques aus Metall
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 69.
This draft amendment A1, if approved, will modify the European Standard EN 19:2023. If this draft becomes an amendment, CEN
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this
amendment into the relevant national standard without any alteration.
This draft amendment was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 19:2023/prA1:2025 E
worldwide for CEN national Members.
Contents
European foreword . 3
1 Modification to Clause 2, “Normative References” . 4
2 Modification to Clause 3, “Terms and definitions” . 4
3 Modification to 4.1, “General” . 4
4 Modification to 4.2, “Mandatory markings” . 5
5 Modification to 4.3, “Supplementary markings” . 5
6 Modification to 4.4, “Other markings” . 5
7 Modification to 5.7.1, “General” . 5
8 Modification to 5.7.2, “Maximum allowable pressure, PS” . 6
9 Modification to 5.7.3, “Maximum allowable temperature, TS ” . 6
max
10 Modification to 5.7.4, “Minimum allowable temperature, TS ” . 6
min
11 Modification to Annex A . 6
12 Addition of Annex B “Marking requirements examples” . 6
13 Modification to Annex ZA . 9
14 Modifications to the Bibliography . 10
European foreword
This document (EN 19:2023/prA1:2025) has been prepared by Technical Committee CEN/TC 69
“Industrial valves”, the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN Enquiry.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For the relationship with EU Legislation, see informative Annex ZA, which is an integral part of this
document.
1 Modification to Clause 2, “Normative References”
Move the following references to the Bibliography and update them as follows:
EN 1092-1:2018, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN
designated - Part 1: Steel flanges
EN 1092-2:2023, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN
designated - Part 2: Cast iron flanges
EN 1092-3:2003, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN
designated - Part 3: Copper alloy flanges
EN 1092-4:2002, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN
designated - Part 4: Aluminium alloy flanges
EN 1759-1:2004, Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, Class
designated - Part 1: Steel flanges, NPS 1/2 to 24
EN 1759-3:2003, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, Class
designated - Part 3: Copper alloy flanges
EN 1759-4:2003, Flanges and their joint - Circular flanges for pipes, valves, fittings and accessories, class
designated - Part 4: Aluminium alloy flanges
2 Modification to Clause 3, “Terms and definitions”
Add the following term and definition:
“3.4
advanced methods
methods for providing specific product information using digital technologies and standards”
3 Modification to 4.1, “General”
Replace the text in 4.1.1 with the following text:
“Every industrial metallic valve shall be provided with integral markings, firmly attached marking plate
and identification plate, as applicable.
For industrial metallic valves that meet the requirements of the European legislation the marking shall
conform to the requirements of the European pressure equipment legislation.
For industrial metallic valves that do not meet the requirements of the European legislation for pressure
equipment or are exempt from conformity, any marking requirements in the applicable valve product
standard shall be complied with.
Annex B provides marking requirements examples.”
Replace the text in 4.1.3 and 4.1.4 with the following text:
“4.1.3 Markings shall be affixed as required by 4,2, 4.3 and 4
...








Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.