1、ICS 21.040.30Rohrgewinde fr nicht im Gewinde dichtende Verbindungen Teil 1:Mae, Toleranzen und Bezeichnung (ISO 228-1 : 2000)European Standard EN ISO 228-1 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accordance wi
2、th a decision taken by ECISS/TC 29 to adopt, withoutalteration, International Standard ISO 228-1 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Technische Grundlagen(Fundamentals in Technology Standards Committee), Technical Committee Rohrgewin
3、de.DIN 2999-1 is the standard corresponding to International Standard ISO 7-1 referred to in clause 2 ofthe EN.AmendmentsISO 228-1 having been adopted as a European Standard, the status of the corresponding DIN Standard(DIN ISO 228-1) has been changed accordingly.Previous editionsDIN ISO 228-1: 1985
4、-04, 1994-12, 2001-04.National Annex NAStandard referred to(and not included in Normative reference and Bibliography)DIN 2999-1 Pipe threads for tubes and fittings Parallel internal threads and taper external threads Thread dimensionsRef. No. DIN EN ISO 228-1 : 2003-05English price group 09 Sales No
5、. 110909.03DEUTSCHE NORMEN ISO 228-1EN comprises 8 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Pipe threads
6、 where pressure-tight joints are not madeon the threadsPart 1: Dimensions, tolerances and designation(ISO 228-1 : 2000)English version of DIN EN ISO 228-1May 2003Supersedes DIN ISO 228-1,April 2001 edition.English versionICS 21.040.30Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Com
7、mittee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN ISO 228-1 : 2003 EFiletages de tuyauterie pour raccorde-ment sans tanchit dans le filet Part
8、ie 1: Dimensions, tolrances etdsignation (ISO 228-1 : 2000)Rohrgewinde fr nicht im Gewindedichtende Verbindungen Teil 1:Mae, Toleranzen und Bezeichnung(ISO 228-1 : 2000)This European Standard was approved by CEN on 2002-11-15.CEN members are bound to comply with the CEN/CENELEC Internal Regulationsw
9、hich stipulate the conditions for giving this European Standard the status of anational 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 any CENmember.The European Standar
10、ds exist in three official versions (English, French, German).A version in any other language 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 bod
11、ies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ire-land, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Sweden, Switzerland, and the United Kingdom.EN ISO 228-1February 2003Pipe threads where pressure-tight joint
12、s are notmade on the threadsPart 1: Dimensions, tolerances and designation(ISO 228-1 : 2000)Page 2EN ISO 228-1 : 2003ForewordInternational StandardISO 228-1 : 2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions,tolerances and designation,which was prepared by
13、 ISO/TC 5 Ferrous metal pipes and metallic fittings of the International Organizationfor Standardization, has been adopted by Technical Committee ECISS/TC 29 Steel tubes and fittings for steeltubes, the Secretariat of which is held by UNI, as a European Standard.This European Standard shall be given
14、 the status of a national standard, either by publication of an identicaltext or by endorsement, and conflicting national standards withdrawn, by August 2003 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bo
15、und to implement this European Standard:Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland, and theUnited Kingdom.Endorsement noticeThe text of the International Standard ISO 228-1 : 2000 was approved by CEN as a European Standard withoutany modification.Page 3EN ISO 228-1 : 2003Page 4EN ISO 228-1 : 2003Page 5EN ISO 228-1 : 2003Page 6EN ISO 228-1 : 2003Page 7EN ISO 228-1 : 2003Page 8EN ISO 228-1 : 2003
