BS EN ISO 2858-2010 End-suction centrifugal pumps (rating 16 bar) Designation nominal duty point and dimensions《端吸离心泵(额定压强 16 bar) 命名 公称负荷点和尺寸规格》.pdf
《BS EN ISO 2858-2010 End-suction centrifugal pumps (rating 16 bar) Designation nominal duty point and dimensions《端吸离心泵(额定压强 16 bar) 命名 公称负荷点和尺寸规格》.pdf》由会员分享,可在线阅读,更多相关《BS EN ISO 2858-2010 End-suction centrifugal pumps (rating 16 bar) Designation nominal duty point and dimensions《端吸离心泵(额定压强 16 bar) 命名 公称负荷点和尺寸规格》.pdf(10页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARDBS EN ISO2858:2010End-suction centrifugal pumps (rating 16 bar) Designation, nominal duty point and dimensionsICS 23.080Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/10/2011 06:55, Uncontrolled Copy, (c) BSINational forewordThis British Standard is the UK implementation o
2、f EN ISO 2858:2010. It is identical to ISO 2858:1975. It supersedes BS EN 22858:1993 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee MCE/6, Pumps and pump testing.A list of organizations represented on this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 s
3、ecretary. 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 cannot confer immunity from legal obligations. BS EN ISO 2858:2010This British Standard, having been prepared under
4、 the direction of the Machinery and Components Standards Policy Committee, was published under the 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
5、 EN ISO 2858:2010ISBN 978 0 580 71457 3Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/10/2011 06:55, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 2858 December 2010 ICS 23.080 Supersedes EN 22858:1993English Version End-suction centrifugal pumps (rati
6、ng 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 dimensions (ISO 2858:1975) Kreiselpumpen mit axialem Eintritt PN 16 - Bezeichnung, Nennleistung und Abmessunge
7、n (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 this European Standard the status of a national standard without any alteration. Up-to-date lists and b
8、ibliographical 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 versions (English, French, German). A version in any other language made by translation under the res
9、ponsibility 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 Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany,
10、Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Mana
11、gement 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: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/10/2011 06:55, Uncontrolled Copy, (c) BSIForeword The t
12、ext 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 shall b
13、e 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 may
14、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 and
15、 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 (all
16、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 Republic
17、, 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 been a
18、pproved by CEN as a EN ISO 2858:2010 without any modification. BS EN ISO 2858:2010EN ISO 2858:2010 (E)Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/10/2011 06:55, Uncontrolled Copy, (c) BSI BSI 2011 11 Scope and field of application1)This International Standard specifies the principal di
19、mensions and nominal duty point of end-suction centrifugal pumps having a maximum operating rating 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, Cylindrica
20、l and 1/10 conical shaft ends. ISO 3069, End-suction centrifugal pumps Dimensions of cavities for 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 f
21、irst corresponds to the inlet diameter, the second to the outlet diameter and the third to the nominal 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 d
22、uty point and dimensionsSee figure on page 4 and Table on page 5.5 Static test pressureStatic test 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 manufact
23、urer and user.1) The manufacturer shall be consulted about the temperature limitation.2) 1 bar = 0,1 MPa.BS EN ISO 2858:2010EN ISO 2858:2010 (E)Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/10/2011 06:55, Uncontrolled Copy, (c) BSI2 BSI 2011NOTETapping pointsAll connections shall be in a
24、ccordance 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 2858:2010 (E)Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/10/2011 06:55, Uncontrolled Copy, (c)
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