1、ICS 23.040.60Flanges and their jointsCircular flanges for pipes, valves, fittings and accessories, Class designatedPart 1: Steel flanges, NPS 1/2 to 24English version of DIN EN 1759-1Flansche und ihre Verbindungen Runde Flansche fr Rohre, Armaturen, Formstcke und Zubehrteile,nach Class bezeichnet Te
2、il 1: Stahlflansche, NPS 1/2 bis 24A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 74 Flanges and their joints (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss Rohrleitungen undDampfkesselanlagen (
3、Pipelines and Boilers Standards Committee), Technical Committee Flansche und ihreVerbindungen.DIN EN ISO 887 is the standard corresponding to European Standard EN ISO 887 referred to in clause 2 ofthe EN.National Annex NAStandard referred to(and not included in Normative references and Bibliography)
4、DIN EN ISO 887 Plain washers for metric bolts, screws and nuts for general purposes General plan(ISO 887 : 2000)DEUTSCHE NORM February 2005DIN EN 1759-1 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772
5、Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Supersedes DIN 1164-8,November 1978 edition.English price group 23www.din.dewww.beuth.de9627817Continued overleaf.Document comprises 74 pages.05.05English versionICS 23.040.60Flanges and their jointsCircular flanges fo
6、r pipes, valves, fittingsand accessories, Class designatedPart 1: Steel flanges, NPS 1/2 to 24 2004. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 1759-1 : 2004 EFlansche und ihre Verbindungen Runde Flansche fr Rohre, Armaturen,For
7、mstcke und Zubehrteile, nachClass bezeichnet Teil 1: Stahlflan-sche, NPS 1/2 bis 24This European Standard was approved by CEN on 2004-09-30.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anationa
8、l standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other l
9、anguage made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, theCzech Republic, Denmark, Estonia, Finland, France,
10、 Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN 1759-1November 2004Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for
11、StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungBrides et leurs assemblages Bridescirculaires pour tubes, appareils derobinetterie, raccords et accessoires,dsignes Class Partie 1: Brides enacier NPS 1/2 24Page 2EN 1759-1 : 20043344567646566686973Page 3EN 1759-1 : 2004Page
12、4EN 1759-1 : 2004Page 5EN 1759-1 : 2004Page 6EN 1759-1 : 2004Page 7EN 1759-1 : 2004Page 8EN 1759-1 : 2004Page 9EN 1759-1 : 2004Page 10EN 1759-1 : 2004Page 11EN 1759-1 : 2004Page 12EN 1759-1 : 2004Page 13EN 1759-1 : 2004Page14EN1759-1:2004Page15EN1759-1:2004Page 16EN 1759-1 : 2004Page 17EN 1759-1 : 2004Page 18EN 1759-1 : 2004Page19EN1759-1:2004Page 20EN 1759-1 : 2004Page 21EN 1759-1 : 2004Page 22EN 1759-1 : 2004Page 23EN 1759-1 : 2004Page24EN1759-1:2004Page 25EN 1759-1 : 2004Page26EN1759-1:2004Page27EN1759-1:2004Page28EN1759-1:2004
