EN 1333-2006 en Flanges and their joints - Pipework components - Definition and selection of PN《法兰及其接缝 管道部件 PN的定义和选择》.pdf

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1、BRITISH STANDARDBS EN 1333:2006Flanges and theirjoints Pipework components Definition and selection of PN The European Standard EN 1333:2006 has the status of a British StandardICS 01.040.23; 23.040.01g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g4

2、0g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 1333:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 April 2006 BSI 2006ISBN 0 580 48174 3National forewordThis British Standard

3、 is the official English language version of EN 1333:2006. It supersedes BS EN 1333:1997 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee PSE/15, Flanges, which has the responsibility to: A list of organizations represented on this committee can be obta

4、ined on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of

5、 the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid e

6、nquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis docume

7、nt comprises a front cover, an inside front cover, the EN title page, pages 2 and 3 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NOR

8、MEN 1333March 2006ICS 01.040.23; 23.040.01 Supersedes EN 1333:1996 English VersionFlanges and their joints - Pipework components - Definition andselection of PNBrides et leurs assemblages - Composants de rseaux detuyauteries - Dfinition et slection des PNFlansche und ihre Verbindungen - Rohrleitungs

9、teile -Definition und Auswahl von PNThis European Standard was approved by CEN on 23 January 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-

10、date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the

11、responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ire

12、land, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36

13、 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1333:2006: EEN 1333:2006 (E) 2 Foreword This document (EN 1333:2006) has been prepared by Technical Committee CEN/TC 74 “Flanges and their joints”, the secretariat

14、 of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2006, and conflicting national standards shall be with-drawn at the latest by September 2006. This document supe

15、rsedes EN 1333:1996. This document is based on the international standard ISO 7268:1983, but the misleading definition of “nominal pressure“ has been omitted as it is so loosely related to the maximum allowable pressure. According to the CEN/CENELEC Internal Regulations, the national standards organ

16、izations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Den-mark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxem-bourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, S

17、lovakia, Slovenia, Spain, Sweden, Switzer-land and United Kingdom. EN 1333:2006 (E) 3 1 Scope This European Standard gives the definition of PN when applied to components of a pipework system, as specified in those standards which use the PN designation system. This standard specifies the PN numbers

18、 which are used. 2 Terms and definitions For the purposes of this document, the following term and definition applies. 2.1 PN alphanumeric designation used for reference purposes related to a combination of mechanical and dimen-sional characteristics of a component of a pipework system. It comprises

19、 the letters PN followed by a dimensionless number. NOTE 1 The number following the letters PN does not represent a measurable value and should not be used for calcu-lation purposes except where specified in the relevant standard. NOTE 2 The designation PN is not meaningful unless it is related to t

20、he relevant component standard number. NOTE 3 The maximum allowable pressure of a pipework component depends on the PN number, the material and design of the component, its maximum allowable temperature, etc. The relevant European Component standards include tables of specified pressure/temperature

21、ratings or, in minimum, include rules how to determine pressure/temperature ratings. NOTE 4 It is intended that all components with the same PN and DN designations have the same mating dimensions for compatible flange types. 3 Selection of PN The PN values shall be selected from: PN 2,5 PN 25 PN 160

22、 PN 6 PN 40 PN 250 PN 10 PN 63 PN 320 PN 16 PN 100 PN 400 BS EN 1333:2006BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international lev

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