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    EN 736-1-1995 en Valves - Terminology Part 1 Definition of Types of Valves《管件 术语 第1部分 基本结构定义》.pdf

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    EN 736-1-1995 en Valves - Terminology Part 1 Definition of Types of Valves《管件 术语 第1部分 基本结构定义》.pdf

    1、3404589 O086976 898 BRITISH STANDARD Valves - BS EN Terminology Part 1. Definition of types of valves The European Standard EN 736-1 : 1995 has the status of a British Standard 736-1 : 1995 3404589 O086977 724 M BS EN 736-1 : 1995 Committees responsible for this British Standard The preparation of t

    2、his British Standard was entrusted to Echnical Committee PSE/7, Valves, upon which the following bodies were represented: Amalgamated Engineering Union Association of Bronze and Brass Founders British Chemical Engineering Contractors Association British Foundry Association British Gas plc British Pl

    3、umbing Fittings Manufacturers Association British Valve and Actuator Manufacturers Association British Water Chartered Institution of Building Services Engineers Electricity Association Energy Industries Council Engineering Equipment and Materiais Users Association GAMBICA (BEAMA Ltd.) Health and Sa

    4、fety Executive Institution of Mechanical Engineers LP Gas Association Ministry of Defence Pipe Line Industries Guild Society of British Water Industries Water Services Association of England and Wales West Midlands CBI Coopted members This British Standard, having been prepared under the direction o

    5、f the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 July 1995 0 BSI 1995 Amendments issued since publication Amd. No. I Date I Ext affected The following BSI references relate to the work on this standard: Committee reference PSE/7 Dra

    6、ft for comment 92/76141 DC ISBN O 580 24276 5 m 3404589 0086978 660 = _ BS EN 736-1 : 1995 Contents m!e Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 736-1 3 i 3404589 0086979 5T BS EN 736-1 : 1995 National foreword This British Standard has been prepared by kc

    7、hnical Committee PSE/7 and is the English language version of EN 736-1 : 1995 Vulves - inology Part 1: Definition of types of vulves, published by the European Committee for Standardization (CEN) . EN 736-1 was produced as a result of international discussions in which the United Kingdom took an act

    8、ive part. Compliance with a British Standard does not of itself confer immunity from legal obligations. ii 3404589 0086980 217 = EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 736-1 February 1995 ICs 01.040.23; 23.060.00 Descriptors: valves and fittings, vocabulary, classifications, designatio

    9、ns English version Valves - Terminology Part 1: Definition of types of valves Appareils de robinetterie - Terminologie - Partie 1: Dfinition des types dappareil Armaturen - Terminologie - Teil 1 : Definition der Grundbauarten This European Standard was approved by CEN on 1995-02-01. CEN members are

    10、bound to comply with the CENICENELEC 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 bibliographical references concerning such national standards may be obtained on application to th

    11、e Central Secretariat 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 responsibility of a CEN member into its own language and notified to the Central Secretariat has the same stat

    12、us as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Com

    13、it Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1995 Copyright reserved to CEN members Ref. No. EN 736-1 : 1995 E 3404589 008bBII II55 = Page 2 EN 7361 : 1995 Foreword Contents This European Standard has been prepared by the %chni

    14、cal Committee CEN/TC 69, Industrial valves, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an 3 Definition 2 Normative reference identical text or by endorsement, at the latest by August 1995, and conflicti

    15、ng national standards shall be withdrawn at the latest by August 1995. vpes of related to design Types of valves related to function 5 According to the CENKENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France,

    16、Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. m3e 3 3 3 3 6 - 3404589 0086982 091 = Page 3 EN 736-1 : 1995 1 Scope This standard gives the denominations of valves. It has the purpose to provide a uniform and systemati

    17、c terminology for all types of valves. By reasons of classification of terms, clause 4 defines terms related to basic design characteristics and clause 5 defines terms related to functional characteristics of valves. 2 Normative reference This European Standard incorporates by dated or undated refer

    18、ence, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorpora

    19、ted in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 736-2 Valves - lkmi?zology - Part 2: Definition of components of valves 4.1.3 Plug and ball valves Valve in which the obturator rotates about an axis at right angle to the directi

    20、on of flow and, in the open position, the flow passes through the obturator. 4.1.4 Buttewu valve and eccentric plug valve Valve in which the obturator rotates about an axis at right angle to the direction of flow and, in the open position, the flow passes around the obturator. NTE. This definition a

    21、lso applies to swing check valves. 4.1.5 Diaphragm valve Valve in which the fluid flow passage through the valve is changed by deformation of a flexible obturator. NOTE. This definition also applies to diaphragm check valves. 4.2 Examples of basic types The schematic figures given below show typical

    22、 designs of valves. Details of different body patterns and obturator designs are given in EN 736-2. 4.2.1 Gate valve 3 Definition For the purposes of this standard, the following definition applies: 3.1 valve Piping component which influences the fluid flow by opening, closing or partially obstructi

    23、ng the passage of the fluid flow or by diverting or mixing the fluid flow. 4 mpes of valves related to design 4.1 Basic types lhble 1 shows the basic types of valves. They are distinguished by: a) the operating motion of the obturator; b) the direction of flow in the seating area. 4.1.1 Gate valve V

    24、alve in which the obturator movement is linear and, in the seating area, at right angle to the direction of flow. 4.1.2 Globe valve Valve in which the obturator movement is linear and, in the seating area, in the direction of flow. NCrrE. This definition also applies to lift check valves and axial c

    25、heck valves. 3404589 008b983 T28 Page 4 EN 736-1 : 1995 B C 3 U 3 U U O E; 9 3 42 O tl 3Y04589 008698q 964 Page 5 EN 736-1 : 1995 4.2.2 Globe valve Globe valve Lift check valve Axial check valve 4.2.3 Plug and ball ualve Plug valve Ball valve 3404587 0086785 8TO = Page 6 EN 736-1 : 1995 4.2.4 ButteM

    26、g valve and eccentric plug valve h Butterfly valve - Swing check valve - Eccentric plug valve -2.5 Diaphragm valve h Diaphragm valve I Diaphragm check valve 5 Fax: 0181 996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have b

    27、een published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library, the Standardline Database, the BSI Information Technology Service (BITS) and its Technical Help to

    28、Exporters Service. Contact the Information Department at Chiswick: Rl: O181 996 7111; Fax: O181 996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact C

    29、ustomer Services, Membership at Chiswick: Tel: O181 996 7002; Fax: O181 996 7001. Copyright Copyright subsists in ail BSI publications and no part may be reproduced in any form without the prior permission in writing of BSI. This does not preclude the free use, in the course of implementing the stan

    30、dard of necessary details such as symbols and size, type or grade designations including use by incorporation into computer programs, but where these details are reproduced including without limitation in printed form, in computer programs or in any other form whatsoever, the permission in writing of BSI must be obtained and if granted will be on terms including royalty, before the product is sold, licensed or otherwise exploited for commercial gain. Enquiries about copyright should be made to the Copyright Manager at Chiswick. ISBN O 580 24276 6 Product code 00542240 PSEIJ7


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