Industrialvalves-Buttweldingendsforsteelvalves
Nationalforeword
It supersedes BS EN 12627:1999 which is withdrawn. This British Standard is the UK implementation of EN 12627:2017.
The UK participation in its preparation was entrusted to Technicalsafety devices against excessive pressure - Valves - Basic standards. Committee PSE/18/1 Industrial valves steam traps actuators and
A list of organizations represented on this mittee can be obtained onrequest to its secretary.
This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.
The British Standards Institution 2017Published by BSI Standards Limited 2017
ISBN 978 0 580 94040 8
ICS 23.060.01
legal obligations. Compliance with a British Standard cannot confer immunity from
This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 December 2017.
Amendments/corrigenda issued since publication
Date
Text affected
EN12627
Supersedes EN 12627:1999
English Version
Industrialvalves-Buttweldingendsforsteelvalves
Robinetterie industrielle - Extremites a souder en bout pour appareils de robineterie en acier
Industriearmaturen - AnschweiSenden fur Armaturen aus Stahl
This European Standard was approved by CEN on 18 September 2017.
CEN members are bound to ply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical referencesconcerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENmember.
translation under the responsibility ofaCEN member intoits wn language and notifed to the CEN-CENELEC Management This European Standard exists in three official versions (English French German). A version in any other language made byCentre has the same status as the official versions.
CEN members are the national standards bodies of Austria elgium Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland Former Yugoslav Republic of Macedonia France Germany Greece Hungary Iceland Ireland taly Latvia Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Romania Serbia Slovakia Slovenia Sain Sweden Switzerland Turkey and United Kingdom.
EUROPEAN COMMITEE FOR STANDARDIZATIONCOMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17 B-10o0 Brussels
Contents
1 Scope. 42 Normative references. 43 Terms and definitions. 44 Symbols. 45 5.1 Requirements. Selection of angle a. 4 45.2 Selection of other dimensions. 56 Designation.. 6Bibliography. 10
Europeanforeword
This document (EN 12627:2017) has been prepared by Technical Committee CEN/TC 69 *Industrialvalves" the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard either by publication of anidentical text or by endorsement at the latest by May 2018 and conflicting national standards shall be withdrawn at the latest by May 2018.
Attention is drawn to the possibility that some of the elements of this document may be the subject ofpatent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 12627:1999.
The main changes pared to the previous edition are:
a) change of the tolerance value and diameter for DN 65 in Table 2;b) introduction of angle α in Figures 2 3 4 5 and 6.c) editorial revision of this standard;
d) deletion of Annex A giving the basis document from which the previous edition was taken.
following countries are bound to implement this European Standard: Austria Belgium Bulgaria According to the CEN-CENELEC Internal Regulations the national standards organisations of theCroatia Cyprus Czech Republic Denmark Estonia Finland Former Yugoslav Republic of Macedonia Netherlands Nway Poland Portugal Romania erbia lovakia lovenia pain weden witzlan France Germany Greece Hungary Iceland Ireland Italy Latvia Lithuania Luxembourg Malta Turkey and the United Kingdom.
