1、ICS 01.100.01Technische Zeichnungen Allgemeine Grundlagen der Darstellung Teil 20: Linien, Grundregeln (ISO 128-20 : 1996)European Standard EN ISO 128-20 : 2001 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accordance with
2、 a decision taken by CEN/CMC to adopt, withoutalteration, International Standard ISO 128-20 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Technische Grundlagen(Fundamentals in Technology Standards Committee).The DIN Standards corresponding to
3、the International Standards referred to in Annex A of the EN are asfollows:ISO Standard DIN StandardISO 128-21 DIN EN ISO 128-21ISO 1219-1 DIN ISO 1219-1ISO 3511-1 DIN 19227-1ISO 3511-2 DIN 19227-1ISO 3511-3 DIN 19227-2ISO 3511-4 DIN 19227-1ISO 5455 DIN ISO 5455ISO 6428 DIN ISO 6428ISO 10628-1 DIN E
4、N ISO 10628AmendmentsISO 128-20 having been adopted as a European Standard, the status of the corresponding DIN Standard(DIN ISO 128-20) has been changed accordingly.Previous editionsDIN 15: 1919-07, 1919-12, 1921-08; DIN 15-1: 1955-06, 1964-03, 1967-12, 1984-06;DIN ISO 128-20: 1997-12.Ref. No. DIN
5、EN ISO 128-20 : 2002-12English price group 10 Sales No. 111004.03DEUTSCHE NORM December 2002EN ISO 128-20Continued overleaf.EN comprises 12 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 Berli
6、n, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Technical drawings General principles of presentationPart 20: Basic conventions for lines(ISO 128-20 : 1996)English version of DIN EN ISO 128-20Supersedes DIN ISO 128-20,December 1997 edition.Page 2DIN EN ISO 128-20 : 2002-
7、12National Annex NAStandards referred to(and not included in Annex A)DIN 19227-1 Graphical symbols and code letters for measurement and control in process engineering Symbols for functional representationDIN 19227-2 Graphical symbols and code letters for measurement and control in process engineerin
8、g Symbols for circuit diagramsDIN EN ISO 128-21 Technical drawings General principles of presentation Part 21: Preparation of lines byCAD systems (ISO 128-21 : 1997)DIN EN ISO 10628 Flow diagrams for process plants General rules (ISO 10628 : 1997)DIN ISO 6428 Technical drawings Requirements for micr
9、ocopying (ISO 6428 : 1982)English versionICS 01.100.01Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungTechnical drawings General principles of presentationPart 20: Basic conventions for lines(ISO
10、128-20 : 1996) 2001. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN ISO 128-20 : 2001 EDessins techniques Principesgnraux de reprsentation Partie 20: Conventions de base pourles traits (ISO 128-20 : 1996)Technische Zeichnungen Allge
11、-meine Grundlagen der Darstellung Teil 20: Linien, Grundregeln(ISO 128-20 : 1996)This European Standard was approved by CEN on 2001-09-30.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational
12、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 Standards exist in three official versions (English, French, German).A version in any other lan
13、guage 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, the CzechRepublic, Denmark, Finland, France, Germany, Greece, I
14、celand, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland,and the United Kingdom. EN ISO 128-20October 2001Page 2EN ISO 128-20 : 2001ForewordInternational StandardISO 128-20 : 1996 Technical drawings General principles of presentation Part 20: Basic conventions
15、 forlines,which was prepared by ISO/TC 10 Technical drawings, product definition and related documentation of theInternational Organization for Standardization, has been adopted by CEN/CMC as a European Standard.This European Standard shall be given the status of a national standard, either by publi
16、cation of an identicaltext or by endorsement, and conflicting national standards withdrawn, by April 2002 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bound to implement this European Standard:Austria, Bel
17、gium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom.Endorsement noticeThe text of the International Standard ISO 128-20 : 1996 was approved by CEN as a European Standard withoutany modification.Page 3EN ISO 128-20 : 2001Page 4EN ISO 128-20 : 2001Page 5EN ISO 128-20 : 2001Page 6EN ISO 128-20 : 2001Page 7EN ISO 128-20 : 2001Page 8EN ISO 128-20 : 2001Page 9EN ISO 128-20 : 2001Page 10EN ISO 128-20 : 2001Page 11EN ISO 128-20 : 2001Page 12EN ISO 128-20 : 2001
