1、BS EN15714-1:2009ICS 01.040.23; 23.060.20NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDIndustrial valves ActuatorsPart 1: Terminology and definitionsThis British Standardwas published underthe authority of theStandards Policy andStrategy Committee on 30Novembe
2、r 2009 BSI 2009ISBN 978 0 580 54736 2Amendments/corrigenda issued since publicationDate CommentsBS EN 15714-1:2009National forewordThis British Standard is the UK implementation of EN 15714-1:2009.The UK participation in its preparation was entrusted to TechnicalCommittee PSE/18/5, Valve actuators.A
3、 list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom lega
4、l obligations.BS EN 15714-1:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15714-1 October 2009 ICS 01.040.23; 23.060.20 English Version Industrial valves - Actuators - Part 1: Terminology and definitions Robinetterie industrielle - Actionneurs - Partie 1: Terminologie et dfinitions Indust
5、riearmaturen - Antriebe - Teil 1: Begriffe und Definitionen 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 wi
6、thout 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 langua
7、ge made by translation under the responsibility 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
8、, 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 KOMI
9、TEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15714-1:2009: EBS EN 15714-1:2009EN 15714-1:2009 (E) 2 Contents Page Foreword 31 Scope 42 Normative references
10、 43 Common terms and definitions used for electric, pneumatic and hydraulic valve actuators .44 Terms and definitions specific for pneumatic and/or hydraulic valve actuators .55 Terms and definitions specific for electric valve actuators 7Bibliography 8BS EN 15714-1:2009EN 15714-1:2009 (E) 3 Forewor
11、d This document (EN 15714-1:2009) 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
12、 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 paten
13、t 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, Irelan
14、d, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 15714-1:2009EN 15714-1:2009 (E) 4 1 Scope This document defines specific terms and definitions used for industrial valve actuators
15、not included in EN 736-2 and EN 736-3. 2 Normative references Not applicable. 3 Common terms and definitions used for electric, pneumatic and hydraulic valve actuators Table 1 Common terms and definitions Term Definition ambient temperature environmental temperature of the location where the actuato
16、r is working blistering formation of bubbles or pimples on a coated surface, caused by the local loss of adhesion and lifting of the film from the underlying substrate (see EN ISO 4628-2) emergency closing/opening overriding operation allowing the actuator to be closed or opened under emergency cond
17、itions emergency shut down ESD specific function of an actuator designed to perform a pre-determined operation (open/close/stayput) in an emergency situation end of travel predefined position related to a fully open or a fully closed condition end stop mechanical part, designed to stop the actuator
18、drive train at an end position end torque/thrust actuator maximum output torque/thrust available at the end of the stroke fail-safe actuator multi-turn, part-turn or linear actuator which is able to operate in a defined pre-determined way on loss of external power fail-safe position defined pre-dete
19、rmined position in which the actuator operates on loss of external power indicating arrangement device, externally visible, showing the position of the actuator/valve obturator limit switch contact that changes status when the stroking position of the actuator reaches a preset position linear actuat
20、or actuator which provides thrust for a defined linear stroke manual override device designed to operate manually the valve when required motive energy energy used to operate the actuator which can be electric, pneumatic or hydraulic operating cycle one complete opening and one complete closing stro
21、ke of the valve, including the stopping phases operating/stroking/moving time duration of a complete stroke of the actuator NOTE For pneumatic and hydraulic actuators, the duration includes the pressurisation and/or de-pressurisation times and the movement of the actuator. BS EN 15714-1:2009EN 15714
22、-1:2009 (E) 5 Table 1 (continued) Term Definition output torque/thrust torque/thrust delivered by the actuator position transmitter device transmitting a signal proportional to the actuator position rated torque/thrust characterising figure indicated by the actuator manufacturer used to define the m
23、aximum actuator operating torque/thrust capability NOTE Units: torque in Newton metres (Nm); thrust in Newton (N). test room temperature ambient air temperature where the actuator is tested run torque/thrust actuator output torque/thrust developed between the seating/unseating positions seating/unse
24、ating torque actuator output torque required to seat/unseat the valve start torque/thrust actuator output torque/thrust at the beginning of the stroke, in the direction of the motive force defined stroke single and complete movement from one end of travel to the other torque/thrust characteristics v
25、alues which may vary through the actuator stroke travel limitation any device integrated in the actuator and designed to limit the travel/stroke travel value of actuator output turns, angular or linear movement between ends of travel 4 Terms and definitions specific for pneumatic and/or hydraulic va
26、lve actuators Table 2 Terms and definitions for pneumatic and/or hydraulic valve actuators Term Definition displacement volume volume displaced to operate the pneumatic/hydraulic actuator in one stroke dead volume part of the actuator volume which does not change during stroking and which is the dif
27、ference between the total pressurized volume and the displacement volume of the piston(s), vane or diaphragm dew point temperature to which the compressible fluid is cooled for water vapour to condense diaphragm actuator fluid-powered device in which the media acts upon a flexible membrane to provid
28、e linear motion double acting actuator pneumatic or hydraulic actuator which requires the supply of motive energy to operate in both travel directions external leakage leakage of the operating medium from the actuator to the external environment maximum allowable pressure pressure not to be exceeded
29、 for the supply to the pneumatic or hydraulic actuator minimum moving pressure minimum pressure required to initiate the movement of the output shaft/stem of a double acting actuator without load, at ambient temperature nominal supply pressure pressure applied at the actuator (pneumatic or hydraulic
30、) inlet, allowing the nominal torque/thrust to be delivered BS EN 15714-1:2009EN 15714-1:2009 (E) 6 Table 3 (continued) Term Definition operating pressure pressure applied to the actuator to guarantee the performances on a specific application piston actuator fluid-powered device in which the media
31、acts upon a movable cylindrical member, the piston, to provide linear motion pilot (solenoid) valve electrical (or other) ancillary device which controls the motive energy to the actuator and which may be locally or remote mounted rack and pinion actuator actuator where a rack and pinion is used to
32、change linear motion into rotary motion, and which produces a constant output torque safety device device added to an actuator to protect it against danger, risk or injury scotch yoke actuator actuator which uses a mechanism where a roller tracks in a slot on a crank arm to change linear motion into
33、 rotary motion, and which produces a variable output torque single acting actuator pneumatic or hydraulic actuator which requires external power to operate the valve in one direction only, the return stroke being powered by an alternative form of stored energy spring return actuator specific version
34、 of a single acting actuator with energy stored by springs spring return direction operating direction under spring return vane actuator fluid-powered part-turn actuator in which the media acts upon a rotable vane to produce direct part-turn motion BS EN 15714-1:2009EN 15714-1:2009 (E) 7 5 Terms and
35、 definitions specific for electric valve actuators Table 4 Terms and definitions specific for electric valve actuators Term Definition controller device that, on response to an external command, reverses the direction of rotation of the motor and allows the actuator to perform defined control functi
36、ons de-rating factor factor by which the actuator performance may be reduced in order to meet the duty performance class duty performing action required from the actuator to meet the required function “ESD“ command dedicated emergency command used as priority control input to drive the valve obturat
37、or to a pre-defined position gearbox self contained gear arrangement for torque/speed modification that may be coupled to the electric actuator output nominal motor current value, expressed in ampere (A), indicated by the actuator manufacturer, characterising the motor under specified actuator perfo
38、rmances nominal motor power value, expressed in kilowatt (kW), indicated by the actuator manufacturer, characterising the motor under specified actuator performances nominal voltage supply voltage applied at the electric actuator allowing the nominal torque/thrust to be delivered output drive actuat
39、or output component necessary to transmit torque/ thrust to the valve in order to cause its operation terminal compartment dedicated compartment of the actuator for electrical connection of power and/or control and/or signalling wiring thermal protecting device temperature sensing device used to sto
40、p motor operation at a defined temperature BS EN 15714-1:2009EN 15714-1:2009 (E) 8 Bibliography 1 EN 736-2:1997, Valves Terminology Part 2: Definition of components of valves 2 EN 736-3:2008, Valves Terminology Part 3: Definition of terms 3 EN ISO 4628-2, Paints and varnishes Evaluation of degradati
41、on of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 2: Assessment of degree of blistering (ISO 4628-2:2003) BS EN 15714-1:2009This page has been intentionally left blank BS EN15714-1:2009BSI GroupHeadquarters 389Chiswick High Road,London
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