1、BRITISH STANDARDBS EN ISO2858:2010End-suction centrifugal pumps (rating 16 bar) Designation, nominal duty point and dimensionsICS 23.080National forewordThis British Standard is the UK implementation of EN ISO 2858:2010. It is identical to ISO 2858:1975. It supersedes BS EN 22858:1993 which is withd
2、rawn.The UK participation in its preparation was entrusted to Technical Committee MCE/6, Pumps and pump testing.A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract.
3、Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. BS EN ISO 2858:2010This British Standard, having been prepared under the direction of the Machinery and Components Standards Policy Committee, was published under the
4、authority of the Standards Boardand comes into effect on 15 April 1993 BSI 2011Amendments/corrigenda issued since publicationDate Comments 30 June 2011 This corrigendum renumbers BS EN 22858:1993 as BS EN ISO 2858:2010ISBN 978 0 580 71457 3EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 285
5、8 December 2010 ICS 23.080 Supersedes EN 22858:1993English Version End-suction centrifugal pumps (rating 16 bar) - Designation, nominal duty point and dimensions (ISO 2858:1975) Pompes centrifuges aspiration en bout (pression nominale 16 bar) - Dsignation, point de fonctionnement nominal et dimensio
6、ns (ISO 2858:1975) Kreiselpumpen mit axialem Eintritt PN 16 - Bezeichnung, Nennleistung und Abmessungen (ISO 2858:1975) This European Standard was approved by CEN on 4 December 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving t
7、his European 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 CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official
8、 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 CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Aus
9、tria, Belgium, Bulgaria, Croatia, 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. EUR
10、OPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 2858:2010: EForeword Th
11、e text of ISO 2858:1975 has been prepared by Technical Committee ISO/TC 115 “Pumps” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 2858:2010 by Technical Committee CEN/TC 197 “Pumps” the secretariat of which is held by AFNOR. This European Standard shal
12、l be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2011, and conflicting national standards shall be withdrawn at the latest by June 2011. Attention is drawn to the possibility that some of the elements of this document m
13、ay be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 22858:1993. This document replaces and cancel the EN 22858 “End-suction centrifugal pumps (rating 16 bar) - designation, nominal duty point
14、and dimensions (ISO 2858:1975)“: its content is identical to the EN 22858, only the numbering of the standard has been changed, to be consistent with the ISO collection numbering. Attention is drawn on the fact that some references cited in the standard have evolved: ISO/R 228 replaced by ISO 228 (a
15、ll parts) ISO/R 775 has been cancelled ISO 2084 replaced by “ISO 7005 (all parts) According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Repub
16、lic, 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 the United Kingdom. Endorsement notice The text of ISO 2858:1975 has bee
17、n approved by CEN as a EN ISO 2858:2010 without any modification. BS EN ISO 2858:2010EN ISO 2858:2010 (E) BSI 2011 11 Scope and field of application1)This International Standard specifies the principal dimensions and nominal duty point of end-suction centrifugal pumps having a maximum operating rati
18、ng of 16 bar.2)2 ReferencesISO/R 228, Pipe threads where pressure-tight joints are not made on the threads (1/8 inch to 6 inches). ISO 496, Driving and driven machines Shaft heights. ISO/R 775, Cylindrical and 1/10 conical shaft ends. ISO 3069, End-suction centrifugal pumps Dimensions of cavities fo
19、r mechanical seals and for soft packing. (Supplement to this International Standard.)NOTEISO 2084 can be used for the dimensions of flanges.3 DesignationThe pump designation comprises three numbers: the first corresponds to the inlet diameter, the second to the outlet diameter and the third to the n
20、ominal diameter of the impeller.Example of designationA centrifugal pump with an inlet diameter of80mm, an outlet diameter of50mm and a nominal impeller diameter of250mm is designated80-50-250.4 Nominal duty point and dimensionsSee figure on page 4 and Table on page 5.5 Static test pressureStatic te
21、st pressure shall be1,5times the maximum discharge pressure but shall not exceed24bar. The relation between cold test pressure and hot operating pressure shall be the subject of agreement between manufacturer and user.1) The manufacturer shall be consulted about the temperature limitation.2) 1 bar =
22、 0,1 MPa.BS EN ISO 2858:2010EN ISO 2858:2010 (E)2 BSI 2011NOTETapping pointsAll connections shall be in accordance with ISO/R 228.A: Connection for cooling or heating supply to be 3/8 in.B: Stuffing box tapping points to be as large as possible but not to exceed 1/2 in.BS EN ISO 2858:2010EN ISO 2858
23、:2010 (E) BSI 2011 3Table Nominal duty point and dimensionsSize designation2) Nominal duty point Dimensions in millimetresinletoutletimpeller (nominal)n1 450 min1n2 900 min1 Pump Support Clearance holes for boltsShaft endQ H Q Hmm mm mm m3/h m m3/h m a f h1 h2 b m1 m2 n1 n2 n3 w S1 S2 d l x1)50 32 1
24、25 5 20 112 140 190 14050 32 160 6,3 8 12,5 32 80 385 132 160 50 100 70 240 190 110 285 M 12 M 12 24 50 10050 32 200 12,5 50 160 18050 32 250 20 80 100 500 180 225 65 125 95 320 250 370 32 8065 50 (40)3) 125 5 2080112 140 210 16065 50 (40)3) 160 8 32 385 132 160 50 100 70 240 190 285 24 5065 40 200
25、12,5 12,5 25 50 100 160 180 265 212 110 M 12 M 12 10065 40 250 20 80 500 180 225 65 125 95 320 250 370 32 8065 40 315 32 125 125 200 250 345 28080 65 (50)3) 125 5 20 132 160 240 19080 65 (50)3) 160 8 32 100 385160180 50 100 70265 212285 24 5080 50 200 25 12,5 50 50 200 110 M 12 M 12 10080 50 250 20
26、80 125 500 180 225 65 125 95 320 250 370 32 8080 50 315 32 125 225 280 345 280100 80 (65)3) 125 5 20 385160180280 212285M 1224 5010010080 (65)3) 160 8 32 100 200 65 125 95100 65 200 50 12,5 100 50 500 180 225 320 250 110 370 M 12 32 80100 65 250 20 80 125 200 250 80 160 120 360 280 M 16 140100 65 31
27、5 32 125 530 225 280 400 315 42 110optional 125 80 160 8 32 180 225 65 125 95 320 250 M 12125 80 200 12,5 50 500 250 345 280 32 80125 80 250 80 20 160 80 125 225 280 400 315 110 370 M 12 140125 80 315 32 125 530 250 315 80 160 120 M 16 42 110125 80 400 50 280 355 435 355125 100 200 12,5 50 125 500 2
28、00280360 280 32 80125 100 250 1004) 20 2004) 80 225 80 160 120400 315 110 370M 16M 12 140125 100 315 125 32 250 125 140 530 250 315 42 110125 100 400 50 280 355 100 200 150 500 400 M 20150 125 250 20 250 355 80 160 120 400 315 M 16150 125 315 200 32 140 530 280 100 200 150 500 400 110 370 M 20 M 12
29、42 110 140150 125 400 50 315 400200 150 2503154)40020 530 280 375 500 400 110 370 M 12 42200 150 315 32 160 670 315 400 100 200 150 550 450 140 500 M 20 M 16 48 110 180200 150 400 50 450NOTESa) The forms and dimensions not specified are left to the discretion of the manufacturer.b) Rotation is clock
30、wise when viewed from the driven end.1) Gap necessary for the withdrawal of the rotor toward the driven side.2) Flange rating 16 bar.3) Branch sizes in brackets to be valid for a limited period only.4) These two values are alternatives.BS EN ISO 2858:2010EN ISO 2858:2010 (E)blank BSI 2011National an
31、nex NA (informative) Committees responsibleThe United Kingdom participation in the preparation of this European Standard was entrusted by the Machinery and Components Standards Policy Committee (MCE/-) to Technical Committee MCE/6, upon which the following bodies were represented:Association of Cons
32、ulting EngineersAssociation of High Pressure Water Jetting ContractorsBritish Chemical Engineering Contractors AssociationBritish Hydromechanics Research AssociationBritish Pump Manufacturers AssociationDepartment of Trade and Industry (National Engineering Laboratory)Electricity AssociationEnergy I
33、ndustries CouncilUK Offshore Operators Association LimitedWater Services Association of England and WalesThe following bodies were also represented in the drafting of the standard, through subcommittees and panels:British Rubber Manufacturers Association Ltd.Engineering Equipment and Materials Users
34、 AssociationProcess Plant AssociationSouth West Water AuthorityNational annex NB (informative) Cross-referencesPublication referred to Corresponding British StandardISO/R 228 BS 2779:1986 Specification for pipe threads for tubes and fittings where pressure-tight joints are not made on the threads (m
35、etric dimensions)ISO 496:1973 BS 5186:1975 Specification for shaft centre heightsBS EN ISO 2858:2010EN ISO 2858:2010 (E)BSI GroupHeadquarters 389 Chiswick High Road, London, W4 4AL, UK Tel +44 (0)20 8996 9001 Fax +44 (0)20 8996 7001 standardsBSI - British Standards InstitutionBSI is the independent
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