08-30181473-DC.pdf
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1、a Date: 29 July 2008 Origin: European Latest date for receipt of comments: 31 October 2008 Project no.: 2008/01360 Responsible committee: PSE/10 Iron pipes and fittings Interested committees: Title: Draft BS EN 545 Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requ
2、irements and test methods Supersession information: If this document is published as a standard, the UK implementation of it will supersede BSEN545 : 2006 and partially supersede. NONE If you are aware of a current national standard which may be affected, please notify the secretary (contact details
3、 below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 31 October 2008. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. No acknowledgement will normally
4、be sent. See overleaf for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization for briefing purposes. Electronic circulation is
5、 limited to dissemination by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001 or email . British, International and foreign standards are also available from BSI Customer Services. Information
6、on the co-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The British Standards which implement International or European publications referred to in this draft may be found via the British Standards On
7、line Service on the BSI web site http:/. Direct tel: 020 8996 7009 Responsible Committee Secretary: Committee Service Centre (BSI) E-mail: Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 8.0 DPC: 08/3018
8、1473 DC Licensed CopyChinese University of Hong Kong, 21/10/2008 08:10, Uncontrolled Copy, (c) BSI b Introduction This draft standard is based on European discussions in which the UK has taken an active part. Your comments on this draft are welcome and will assist in the preparation of the consequen
9、t British Standard. If no comments are received to the contrary, then the UK will approve this draft and implement it as a British Standard. Comment is particularly welcome on national, legislative or similar deviations that may be necessary. Even if this draft standard is not approved by the UK, if
10、 it receives the necessary support in Europe, the UK will be obliged to publish the official English Language text unchanged as a British Standard and to withdraw any conflicting standard. UK Vote Please indicate whether you consider the UK should submit a negative (with reasons) or positive vote on
11、 this draft. Submission The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably electronically, to the Responsib
12、le Committee Secretary at the address given on the front cover. Comments should be compatible with Version 6.0 or Version 97 of Microsoft Word for Windows, if possible; otherwise comments in ASCII text format are acceptable. Any comments not submitted electronically should still adhere to these form
13、at requirements. All comments submitted should be presented as given in the example below. Further information on submitting comments and how to obtain a blank electronic version of a comment form are available from the BSI web site at: http:/ Template for comments and secretariat observations Date:
14、 xx/xx/200x Document: ISO/DIS xxxxx 1 2 (3) 4 5 (6) (7) MB Clause No./ Subclause No./ Annex (e.g. 3.1) Paragraph/ Figure/Table/ Note (e.g. Table 1) Type of com- ment Comment (justification for change) by the MB Proposed change by the MB Secretariat observations on each comment submitted 3.1 Definiti
15、on 1 ed Definition is ambiguous and needs clarifying. Amend to read . so that the mains connector to which no connection . 6.4 Paragraph 2 te The use of the UV photometer as an alternative cannot be supported as serious problems have been encountered in its use in the UK. Delete reference to UV phot
16、ometer. Microsoft and MS-DOS are registered trademarks, and Windows is a trademark of Microsoft Corporation. Licensed CopyChinese University of Hong Kong, 21/10/2008 08:10, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM DRAFT prEN 545 July 2008 ICS 23.040.10; 23.040.40W
17、ill supersede EN 545:2006 English Version Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 203. If this draft bec
18、omes a European Standard, 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. This draft European Standard was established by CEN in three official version
19、s (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 CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, B
20、ulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Recipients of this draft are
21、 invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to provide supporting documentation. Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be
22、referred to as a European Standard. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members.
23、 Ref. No. prEN 545:2008: E Licensed CopyChinese University of Hong Kong, 21/10/2008 08:10, Uncontrolled Copy, (c) BSI prEN 545:2008 (E) 2 Contents Page Foreword4 1 Scope 5 2 Normative references5 3 Terms and definitions .6 4 Technical requirements 9 4.1 General9 4.2 Pressure class11 4.3 Dimensional
24、requirements11 4.4 Material characteristics.15 4.5 Coatings and linings for pipes.16 4.6 Coatings for fittings and accessories19 4.7 Marking of pipes, fittings and accessories.19 4.8 Leak tightness20 5 Performance requirements for joints and pipe saddles20 5.1 General20 5.2 Flexible joints.21 5.3 Re
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