1、BRITISH STANDARD BS EN 1503-3:2000 Incorporating Corrigendum No. 1 Valves Materials for bodies, bonnets and covers Part 3: Cast irons specified in European Standards The European Standard EN 1503-3:2000 has the status of a British Standard ICS 23.060.01; 77.080.10 BS EN 1503-3:2000 This British Stan
2、dard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 December 2000 BSI 12 August 2003 ISBN 0 580 36746 0 National foreword This British Standard is the official English language ve
3、rsion of EN 1503-3:2000, including Corrigendum March 2001. The UK participation in its preparation was entrusted by Technical Committee PSE/7, Valves, to Subcommittee PSE/7/1, Valves Basic standards, which has the responsibility to: A list of organizations represented on this subcommittee can be obt
4、ained on request to its secretary. Cross-references The 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
5、 of 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. a
6、id enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages T
7、his document comprises a front cover, an inside front cover, the EN title page, pages 2 to 4, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments 14645 Corri
8、gendum No. 1 12 August 2003 Changes to Table 1 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1503-3 October 2000 ICS 23.060.00; 77.080.10 Incorporating corrigendum March 2001 English version Valves - Materials for bodies, bonnets and covers - Part 3: Cast irons specified in European Standards
9、 Appareils de robinetterie - Matriaux pour les corps, chapeaux et couvercles - Partie 3: Fontes spcifies dans les normes europennes Armaturen - Werkstoffe fr Gehuse, Oberteile und Deckel - Teil 3: Gueisen, das in Europischen Normen festgelegt ist This European Standard was approved by CEN on 6 Octob
10、er 2000. CEN members are bound to comply 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 references concerning such national standards may be obta
11、ined 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 translation under the responsibility of a CEN member into its own language and notified to the Central Secr
12、etariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROP
13、EAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Central Secretariat: rue de Stassart, 36 B-1050 Brussels 2000 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1503-3:2000 EPage 2 EN 15
14、03-3:2000 Contents Page Foreword. 3 1 Scope. 4 2 Normative references. 4 3 Materials 4 Page 3 EN 1503-3:2000 Foreword This European Standard has been prepared by Technical Committee CEN/TC 69 “Industrial valves“, the secretariat of which is held by AFNOR. This European Standard shall be given the st
15、atus of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2001, and conflicting national standards shall be withdrawn at the latest by April 2001. This European Standard has been prepared under a mandate given to CEN by the European Commission
16、and the European Free Trade Association. This European Standard is considered to be a supporting standard to those application and product standards which in themselves support an essential safety requirement of a New Approach Directive and which make reference to this European Standard. EN 1503 com
17、prises four parts : Part 1 : Steels specified in European Standards ; Part 2 : Steels other than those specified in European Standards ; Part 3 : Cast irons specified in European Standards ; Part 4 : Copper alloys specified in European Standards. According to the CEN/CENELEC Internal Regulations, th
18、e national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United King
19、dom. Page 4 EN 1503-3:2000 1 Scope This European Standard lists cast irons for pressure containing valve bodies, bonnets and covers which are given in European Standards. 2 Normative references This European standard incorporates by dated or undated reference, provisions from other publications. The
20、se normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European standard only when incorporate in it by amendments or revision. For undat
21、ed references, the latest edition of the publication referred to applies (including amendments). EN 545, Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods. EN 1560, Founding - Designation system for cast iron - Material symbols and materia
22、l numbers. EN 1561, Founding - Grey cast irons. EN 1562, Founding - Malleable cast irons. EN 1563, Founding - Spheroidal graphite cast irons. 3 Materials The materials shall be as given in Table 1. The material designation is in accordance with EN 1560. When selecting materials according to this sta
23、ndard, the limits of use given in the material standards are to be taken into account. Table 1 - Cast irons Material designation Graphite structure EN R mN/mm 2Short name Number 200 EN-GJL-200 EN-JL1030 250 EN-GJL-250 EN-JL1040 300 EN-GJL-300 EN-JL1050 Grey cast iron 1561 350 EN-GJL-350 EN-JL1060 35
24、0 EN-GJS-350-22-LT EN-JS1015 350 EN-GJS-350-22-RT EN-JS1014 400 EN-GJS-400-18-LT EN-JS1025 400 EN-GJS-400-18-RT EN-JS1024 400 EN-GJS-400-15 EN-JS1030 450 EN-GJS-450-10 EN-JS1040 500 EN-GJS-500-7 EN-JS1050 1563 600 EN-GJS-600-3 EN-JS1060 Spheroidal graphite cast iron 545 400 - - 350 EN-GJMW-350-4 EN-
25、JM1010 400 EN-GJMW-400-5 EN-JM1030 300 EN-GJMB-300-6 EN-JM1110 Malleable cast iron 1562 350 EN-GJMB-350-10 EN-JM1130 blankBS EN 1503-3:2000 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It
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