BS-EN-ISO-9905-1998.pdf
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1、BRITISH STANDARD BS EN ISO 9905:1998 Technical specifications for centrifugal pumps Class I The European Standard EN ISO 9905:1997 has the status of a British Standard ICS 23.080 Incorporating Amendment No. 1 to BS 7784:1994 (renumbers BS as BS EN ISO 9905:1998) and incorporating Corrigendum No. 1 L
2、icensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 08:51:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9905:1998 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effec
3、t on 15 October 1994 The following BSI references relate to the work on this standard: Committee reference MCE/6 Draft for comment 91/76635 DC ISBN 0 580 23256 5 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Engineering Sector Board to
4、 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 Engineering Laboratory) Electricity Associa
5、tion 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 subcommittees and panels: British Rubber
6、Manufacturers Association Ltd. Process Plant Association South West Water Authority Amendments issued since publication BSI 2006 Amd. No. DateComments 9864February 1998 Indicated by a sideline in the margin 16277 Corrigendum No. 1 31 July 2006Changes to Clause 1 and addition to bibliography Licensed
7、 Copy: sheffieldun sheffieldun, na, Sun Nov 19 08:51:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9905:1998 BSI 2006 i Contents Page Committees responsibleInside front cover National forewordiii 1Scope3 2Normative references3 3Definitions3 4Design6 5Materials24 6Shop inspection and tests2
8、5 7Preparation for dispatch28 8Responsibilities28 Annex A (normative) Centrifugal pump Data sheet29 Annex B (normative) External forces and moments on branches34 Annex C (normative) Enquiry, proposal, purchase order41 Annex D (normative) Documentation after purchase order41 Annex E (informative) Pea
9、k displacement42 Annex F (informative) Examples of seal arrangements43 Annex G (informative) Piping arrangements for seals45 Annex H (informative) Code for identification of fluid connections62 Annex J (informative) Materials and material specifications for centrifugal pump parts63 Annex K (informat
10、ive) Check-list65 Annex L (informative) Bibliography66 Annex ZA (normative) Normative references to international publications with their relevant European publications 67 Figure 1 Driver output percentage of rated pump power required in the range of 1 kW to 100 kW64 Figure 2 Conditions of critical
11、speed64 Figure 3 Maximum spacing between shaft guide bushes (vertical lineshaft pumps)64 Figure E.1 Single amptitude A, as a function of speed of rotation for various rms-velocity values42 Figure F.1 Soft packing (P)43 Figure F.2 Single mechanical seal (S)43 Figure F.3 Multiple mechanical seal (D)44
12、 Figure F.4 Quench arrangement (Q) for soft packing, single and multiple mechanical seal44 Table 1 Limits of vibration severity for horizontal pumps with multivane impellers11 Table 2 Minimum running clearances14 Table 3 Maximum coupling end floats22 Table B.1 Characteristics of horizontal pump fami
13、lies35 Table B.2 Characteristics of vertical pump families36 Table B.3 Basic values of forces and moments for horizontal and vertical pumps38 Table B.4 Coefficients for actual values of horizontal pumps39 Table B.5 Coefficients for actual values of vertical pumps39 Table H.1 Identification of correc
14、tions for measurement devices63 Table H.2 Identification of corrections for auxiliary devices63 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 08:51:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9905:1998 ii BSI 2006 Page Table J.1 Material specification for centrifugal pump parts6
15、3 Table J.2 Material code for mechanical seal components64 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 08:51:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9905:1998 BSI 2006 iii National foreword The Technical Committee has reviewed the provisions of ISO 7-1:1982, ISO 185:1988,
16、ISO 228-1:1982, ISO 427:1983, ISO 544:1989, ISO 2858:1975, ISO 3069:1974, ISO 3274:1975, ISO 7005-1:1992, ISO 7005-2:1988 and ISO 7005-3:1988 to which normative reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. A British Standard does
17、not purport to include all 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
18、 front cover, pages i to iv, the EN ISO title page, pages 2 to 67 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. This British Standard has been prepared by Techni
19、cal Committee MCE/6 and is the English language version of EN ISO 9905:1997 Technical specifications for centrifugal pumps Class I, including Corrigendum February 2005, published by the European Committee for Standardization (CEN). It is identical with ISO 9905:1994 published by the International Or
20、ganization for Standardization (IS) and in the development of which the United Kingdom played an active part. In 1997 the European Committee for Standardization (CEN) accepted ISO 9905:1994 as European Standard EN ISO 9905:1997. As a consequence of implementing the European Standard this British Sta
21、ndard is renumbered as BS EN ISO 9905:1998 and any reference to BS 7784:1994 should be read as reference to BS EN ISO 9905:1998. Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 08:51:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv blank Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19
22、08:51:09 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 9905 October 1997 ICS 23.080.00 Descriptors: See ISO document English version Technical specifications for centrifugal pumps Class I (ISO 9905:1994) Spcifications techniques pour pompes centr
23、ifuges Classe I (ISO 9905:1994) Kreiselpumpen technische Anforderungen Klasse I (ISO 9905:1994) This European Standard was approved by CEN on 18 September 1997. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
24、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, French, Germ
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