BS EN 15714-4-2009 工业阀门.执行器.第4部分：工业阀门用液压件部分回转执行器.基本要求.pdf

BS EN 15714-42009 ICS 23.060.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Industrial valves Actuators Part 4 Hydraulic part-turn actuators for industrial valves Basic requirements This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2009 BSI 2009 ISBN 978 0 580 54844 4 Amendments/corrigenda issued since publication DateComments BS EN 15714-42009 National foreword This British Standard is the UK implementation of EN 15714-42009. The UK participation in its preparation was entrusted to Technical Committee PSE/18/5, Valve actuators. 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. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m BS EN 15714-42009 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15714-4 October 2009 ICS 23.060.20 English Version Industrial valves - Actuators - Part 4 Hydraulic part-turn actuators for industrial valves - Basic requirements Robinetterie industrielle - Actionneurs - Partie 4 Actionneurs hydrauliques fraction de tour pour robinetterie industrielle - Prescriptions de base Industriearmaturen - Antriebe - Teil 4 Hydraulische Schwenkantriebe fr Industriearmaturen - Grundanforderungen This European Standard was approved by CEN on 12 September 2009. 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 bibliographical references concerning such national standards may be obtained on application to the CEN 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 respons bility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, 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. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any and by any means reserved worldwide for CEN national Members. Ref. No. EN 15714-42009 E w w w . b z f x w . c o m BS EN 15714-42009 EN 15714-42009 E 2 Contents Page Foreword ..............................................................................................................................................................4 1 Scope ......................................................................................................................................................5 2 Normative references ............................................................................................................................5 3 Classification and designation .............................................................................................................5 3.1 General ....................................................................................................................................................5 3.2 Action ......................................................................................................................................................6 3.3 Valve actuator attachment ....................................................................................................................6 3.4 Motive energy .........................................................................................................................................6 3.4.1 Operating medium .................................................................................................................................6 3.4.2 Quality .....................................................................................................................................................6 3.4.3 Pressure ..................................................................................................................................................6 4 Design requirements .............................................................................................................................6 4.1 General ....................................................................................................................................................6 4.2 Output torques perance test ......................................................................................................7 4.3 Pressure ratings and endurance ..........................................................................................................7 4.3.1 Pressure ratings.....................................................................................................................................7 4.3.2 Endurance ..............................................................................................................................................7 4.4 Minimum moving pressure ...................................................................................................................8 4.5 Leakage ...................................................................................................................................................8 4.6 Moving time ............................................................................................................................................8 4.7 Angle .......................................................................................................................................................9 4.8 Fluid displacement volume ...................................................................................................................9 4.9 Environmental conditions .....................................................................................................................9 4.9.1 Ambient temperature .............................................................................................................................9 4.9.2 Enclosure protection .............................................................................................................................9 4.9.3 Corrosion protection .............................................................................................................................9 4.10 Basic design ........................................................................................................................................ 10 4.10.1 Safety requirements ........................................................................................................................... 10 4.10.2 Part-turn valve actuator attachment ................................................................................................. 10 4.10.3 Pressure connections ........................................................................................................................ 11 4.10.4 Fail safe direction for spring return actuators ................................................................................. 12 4.10.5 Mechanical safety factors .................................................................................................................. 12 4.11 Position indication .............................................................................................................................. 12 4.12 Optional equipment ............................................................................................................................ 13 4.12.1 Ancillaries ............................................................................................................................................ 13 4.12.2 Manual operation ................................................................................................................................ 15 4.12.3 End stop adjustment .......................................................................................................................... 15 5 Conity assessment ..................................................................................................................... 15 5.1 General ................................................................................................................................................. 15 5.2 Type tests ............................................................................................................................................ 16 5.3 Control of production process and quality system ........................................................................ 16 6 Marking ................................................................................................................................................ 17 7 Actuator selection guidelines ............................................................................................................ 18 8 Documentation .................................................................................................................................... 18 Annex A normative Endurance test procedure .......................................................................................... 19 A.1 General ................................................................................................................................................. 19 A.2 Test equipment ................................................................................................................................... 19 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m BS EN 15714-42009 EN 15714-42009 E 3 A.3 Test conditions .................................................................................................................................... 19 A.4 Test procedure ..................................................................................................................................... 19 A.4.1 Design life............................................................................................................................................. 19 A.4.2 Output torque testing .......................................................................................................................... 19 A.4.3 Pressure testing .................................................................................................................................. 19 A.4.4 Hydraulic testing ................................................................................................................................. 20 A.5 Acceptance criteria ............................................................................................................................. 20 Annex B inative Actuator selection guidelines ................................................................................... 21 B.1 General ................................................................................................................................................. 21 B.2 Selection parameters .......................................................................................................................... 21 B.3 Actuator selection ............................................................................................................................... 22 B.3.1 General ................................................................................................................................................. 22 B.3.2 Torque characteristics for rack and pinion or linear helical spline actuators .............................. 23 B.3.3 Torque characteristics for scotch yoke actuators e.g. symmetric system ................................. 24 Bibliography ...................................................................................................................................................... 25 w w w . b z f x w . c o m BS EN 15714-42009 EN 15714-42009 E 4 Foreword This document EN 15714-42009 has been prepared by Technical 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 identical text or by endorsement, at the latest by April 2010, and conflicting national standards shall be withdrawn at the latest by April 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. 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, 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. 标准分享网 w w w .b z f x w .c o m 免费下载 w w w . b z f x w . c o m BS EN 15714-42009 EN 15714-42009 E 5 1 Scope This document provides basic requirements for hydraulic part-turn valve actuators, both double acting and single acting, used for on-off and modulating control duties. It includes guidelines, recommendations and s for enclosure and corrosion protection, control and testing. It does not apply, to hydraulic actuators that are integral parts of control valves or to electro-hydraulic actuators. Other requirements or conditions of use different from those indicated in this document should be subject to negotiations between the purchaser and the manufacturer/supplier prior to order. The terms and definitions applicable to this European Standard are given in EN 15714-1. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document including any amendments applies. EN 12570, Industrial valves for sizing the operating element EN 60529, Degrees of protection provided by enclosures IP Code IEC 605291989 EN ISO 228-1, Pipe thr