BS-EN-ISO-9908-1998 BS-7736-1994.pdf
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1、BRITISH STANDARD BS EN ISO 9908:1998 Incorporating Amendment No. 1 to BS 7736:1994 (renumbers BS as BS EN ISO 9908:1998) Technical specifications for centrifugal pumps Class III The European Standard EN ISO 9908:1997 has the status of a British Standard ICS 23.080 Licensed Copy: sheffieldun sheffiel
2、dun, na, Sat Nov 18 15:58:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9908:1998 This British Standard, having been prepared under the direction of the Machinery and Components Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15
3、 March 1994 BSI 05-1999 The following BSI references relate to the work on this standard: Committee reference MCE/6 Draft for comment 91/76636 DC ISBN 0 580 22841 X Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Machinery and Components
4、 Standards Policy Committee (MCE/-) to Technical Committee MCE/6, upon which the following bodies were represented: British Chemical Engineering Contractors Association British Hydromechanics Research Association British Pump Manufacturers Association Department of Trade and Industry (National Engin
5、eering Laboratory) Electricity Association Energy Industries Council Engineering Equipment and Materials Users Association UK Offshore Operators Association Limited Water Services Association of England and Wales The following bodies were also represented in the drafting of the standard, through sub
6、committees and panels: British Rubber Manufacturers Association Ltd. Process Plant Association South West Water Authority Amendments issued since publication Amd. No.DateComments 9865 February 1998 Indicated by a sideline in the margin Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 15:58:40
7、GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9908:1998 BSI 05-1999i Contents Page Committees responsibleInside front cover National forewordii Foreword2 Introduction3 1Scope3 2Normative references3 3Definitions4 4Design4 5Materials8 6Shop inspection and tests8 7Preparation for dispatch8 Anne
8、x A (normative) Centrifugal pump Data sheet9 Annex B (normative) Enquiry, proposal, purchase order14 Annex C (normative) Documentation14 Annex D (informative) Examples of seal arrangements14 Annex E (informative) Piping arrangements for seals16 Annex F (informative) Check list18 Annex G (informative
9、) Bibliography18 Figure 1 Relationship between temperature and pressure5 Figure 2 Driver output percentage of rated pump power required in the range 1 kW to 100 kW5 Table 1 Limits of vibration severity for horizontal pumps with multivane impellers5 List of referencesInside back cover Licensed Copy:
10、sheffieldun sheffieldun, na, Sat Nov 18 15:58:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9908:1998 ii BSI 05-1999 National foreword This British Standard has been prepared by Technical Committee MCE/6 and is the English language version of EN ISO 9908:1997 Technical specifications for c
11、entrifungal pumps Class III published by the European Committee for Standardization (CEN). It is identical with ISO 9908:1993 published by the International Organization for Standardization (ISO) and in the development of which the United Kingdom played an active part. The Technical Committee has re
12、viewed the provisions of ISO 281:1990, ISO 3069:1974, ISO 7005-1:1992, ISO 7005-2:1988 and ISO 7005-3:1988 to which reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. In 1997 the European Committee for Standardization (CEN) accepted ISO
13、 9908:1993 as European Standard EN ISO 9908:1997. As a consequence of implementing the European Standard this British Standard is renumbered as BS EN ISO 9908:1998 and any reference to BS 7736:1994 should be read as a reference to BS EN ISO 9908:1998. A British Standard does not purport to include a
14、ll the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i an
15、d ii, the EN ISO title page, pages 2 to 18, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Sat No
16、v 18 15:58:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 9908 November 1997 ICS 23.080 Descriptors: See ISO document English version Technical specifications for centrifugal pumps Class III (ISO 9908:1993) Spcifications techniques pour pompes
17、centrifuges Classe III (ISO 9908:1993) Technische Anforderungen fr Kreiselpumpen Klasse III (ISO 9908-1:1993) This European Standard was approved by CEN on 18 October 1997. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europe
18、an Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English,
19、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 Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic,
20、 Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart
21、 36, B-1050 Brussels 1997 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 9908:1997 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 18 15:58:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 9908:1997 BSI 05-1999 2 For
22、eword The text of the International Standard from Technical Committee ISO/TC 115, Pumps, of the International Organization for Standardization (ISO) has been taken over as a European Standard by Technical Committee CEN/TC 197, Pumps, the secretariat of which is held by AFNOR. This European Standard
23、shall be given the status of a national standard, either by publicatoin of an identical text or by endorsement, at the latest by May 1998, and conflicting national standards shall be withdrawn at the latest by May 1998. According to the CEN/CENELEC Internal Regulations, the national standards orgain
24、zations 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 Kingdom. Endorsement notice The
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