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1、BS EN15714-2:2009ICS 23.060.20NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDIndustrial valves ActuatorsPart 2:Electric actuators for industrialvalves Basic requirementsThis British Standardwas published underthe authority of theStandards Policy andStrategy Com
2、mittee on 30November 2009 BSI 2009ISBN 978 0 580 54840 6Amendments/corrigenda issued since publicationDateCommentsBS EN 15714-2:2009National forewordThis British Standard is the UK implementation of EN 15714-2:2009.The UK participation in its preparation was entrusted to TechnicalCommittee PSE/18/5,
3、Valve actuators.A 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 i
4、mmunityfrom 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 mBS EN 15714-2:2009 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15714-2 October 2009 ICS 23.060.20 English Version Industrial valves-Actuators-Part 2:Electric actuators for industrial valves-Basic requirements
5、 Robinetterie industrielle-Actionneurs-Partie 2:Actionneurs lectriques pour robinetterie industrielle-Prescriptions de base Industriearmaturen-Antriebe-Teil 2:Elektrische Antriebe fr Industriearmaturen-Grundanforderungen This European Standard was approved by CEN on 12 September 2009.CEN members are
6、 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 th
7、e 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 statu
8、s 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,
9、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 form and by any means reserved worldwide for CEN national Members.R
10、ef.No.EN 15714-2:2009:Ew w w.b z f x w.c o mBS EN 15714-2:2009EN 15714-2:2009(E)2 Contents Page Foreword.41 Scope.52 Normative references.53 Classification/Designation.53.1 General.53.2 Type:Part-turn,multi-turn or linear.53.3 Actuator duty classification.63.3.1 General.63.3.2 Class A:On-off.63.3.3
11、Class B:Inching/positioning.63.3.4 Class C:Modulating.63.3.5 Class D:Continuous modulating.63.4 Action on loss of external electric power.63.4.1 Standard action.63.4.2 Fail safe action.64 Design requirements.64.1 Endurance.64.1.1 General.64.1.2 Part turn actuators.74.1.3 Multi-turn actuators.74.1.4
12、Linear actuators.84.2 Environmental conditions.84.2.1 General.84.2.2 Ambient temperature and humidity.84.2.3 Altitude.84.2.4 Enclosure protection.84.2.5 Hazardous areas.84.2.6 External corrosion protection.94.2.7 Vibrations,shock and seismic conditions.94.3 Actuator attachment.94.3.1 Part-turn actua
13、tors.94.3.2 Multi-turn actuators.104.3.3 Linear actuators.104.4 Standard closing direction.114.5 Fail safe direction.114.6 Electrical connections cable entries.124.7 Performance.124.7.1 Power supply tolerances.124.7.2 Actuator duty performances.124.7.3 Operating time and speed.144.8 Basic requiremen
14、ts.144.8.1 Motors.144.8.2 Gearing and lubrication.144.8.3 Manual operation.154.8.4 Travel limitation.154.8.5 Torque/Thrust limitation.154.8.6 End stop adjustment for part-turn and linear actuators.154.8.7 Local position indication.155 Optional equipment.16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
15、x w.c o mBS EN 15714-2:2009EN 15714-2:2009(E)3 5.1 General.165.2 Anti-condensation heater.165.3 Local position indication(for multi-turn or linear actuators).165.4 Position transmitter.165.5 Actuator running transmitter.165.6 Additional position and/or torque signalling.165.7 Local control station.1
16、65.8 Actuator electrical controls.165.8.1 General.165.8.2 Positioner.175.8.3 Controller.175.8.4 Speed Control.175.8.5 Field Bus system interface.175.8.6 Torque transmitter(analogue or digital).175.8.7 Actuator performance data logger.176 Conformity assessment.176.1 General.176.2 Type tests.186.3 Con
17、trol of production process and quality system.187 Marking.198 Documentation.20Annex A(normative)Endurance test procedure.21A.1 General.21A.2 Test equipment.21A.3 Test conditions.21A.4 Test procedure.21A.5 Acceptance criteria.21Annex B(informative)Actuator selection guidelines.22B.1 General.22B.2 Sel
18、ection parameters.22B.2.1 General.22B.2.2 Valve Questions.22B.2.3 Actuator Questions.23B.3 Ancillary Questions.23B.4 Environmental conditions(as indicated in 4.2).23B.5 Actuator selection.23Bibliography.24 w w w.b z f x w.c o mBS EN 15714-2:2009EN 15714-2:2009(E)4 Foreword This document(EN 15714-2:2
19、009)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 nationa
20、l 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
21、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,
22、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 mBS EN 15714-2:2009EN 15714-2:2009(E)5 1 Scope This document provides basic requirements for electric valve actuators,used for on-off and control valves.It
23、 includes guidelines for classification,design,enclosure and corrosion protection,and methods for conformity assessment.Combinations of electric multi-turn actuators and gearboxes supplied by the actuator manufacturer are within the scope of this document.In all other cases this European Standard ap
24、plies to the electric actuator only.It does not cover:solenoid actuators,electro-hydraulic actuators and electric actuators which are integral in the design of valves.Other requirements or conditions of use different from those indicated in this document should be agreed between the purchaser and th
25、e 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 undat
26、ed references,the latest edition of the referenced document(including any amendments)applies.EN 12570,Industrial valves Method for sizing the operating element EN 60529,Degrees of protection provided by enclosures(IP Code)(IEC 60529:1989)EN ISO 5210:1996,Industrial valves Multi-turn valve actuator a
27、ttachments(ISO 5210:1991)EN ISO 5211,Industrial valves Part-turn valve actuator attachments(ISO 5211:2001)3 Classification/Designation 3.1 General Electric valve actuators are classified per type,duty and action as detailed below.3.2 Type:Part-turn,multi-turn or linear 3.2.1 Part-turn:An actuator wh
28、ich transmits torque to the valve for less than one revolution.It does not have to be capable of withstanding thrust.A combination of a multi-turn actuator plus a part-turn gearbox can be considered,for the sake of this European Standard,a part-turn actuator.3.2.2 Multi-turn actuator:An actuator whi
29、ch transmits torque to the valve/gearbox for at least one revolution.It may be capable of withstanding thrust.A combination of a multi-turn actuator plus a multi-turn gearbox can be considered,for the sake of this European Standard,a multi-turn actuator.3.2.3 Linear actuator:An actuator which transm
30、its thrust to the valve for a defined linear stroke.A combi-nation of a multi-turn actuator plus a linear drive can be considered,for the sake of this European Standard,a linear actuator.w w w.b z f x w.c o mBS EN 15714-2:2009EN 15714-2:2009(E)6 3.3 Actuator duty classification 3.3.1 General Basic d
31、esign requirements for actuator duty classification are given in 4.1 and 4.7.2.3.3.2 Class A:On-off The actuator is required to drive the valve through its entire travel from the fully open position to the fully closed position or vice-versa.3.3.3 Class B:Inching/positioning The actuator is required
32、 to occasionally drive the valve to any position(fully open,intermediate and fully closed).3.3.4 Class C:Modulating The actuator is required to frequently drive the valve to any position between fully open and fully closed.3.3.5 Class D:Continuous modulating The actuator is required to continuously
33、drive the valve to any position between fully open and fully closed.3.4 Action on loss of external electric power 3.4.1 Standard action On loss of external power,the actuator remains in the position achieved before loss of power.3.4.2 Fail safe action On loss of external power,the actuator is able t
34、o operate the valve to a pre-defined safe position.4 Design requirements 4.1 Endurance 4.1.1 General The actuator shall be designed to meet the life endurance criteria as defined in Annex A.The endurance of modulating and continuous modulating actuators shall be based on consecutive starts spread ov
35、er an intermediate stroking span of maximum 30%of full travel.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 mBS EN 15714-2:2009EN 15714-2:2009(E)7 4.1.2 Part turn actuators Table 1 Part-turn actuator endurance test requirements(see Annex A)Rated torque ranges a Nm Class A and B On-Off Inching(
36、number of cycles)b Class C Modulating(number of starts)c Class D Continuous modulating(number of starts c Up to 125 10 000 1 800 000 10 000 000 126 1 000 10 000 1 200 000 10 000 000 1 001 4 000 5 000 500 000 5 000 000 4 001 32 000 2 500 250 000 T B A.d Above 32 000 1 000 T.B.A.d T.B.A.d a Based on E
37、N ISO 5211.b One cycle consists of nominal 90 angular travel in both directions(i.e.90 to open+90 to close),based on an average load of at least 30%of the rated torque with the ability to transmit 100%of the rated torque for at least 5%at each end of travel.For angular travel other than 90,the endur
38、ance shall be agreed between thepurchaser and the manufacturer/supplier.c One start consists of a movement of at least 1%in either direction,with a load of at least 30%of the rated torque.d To be agreed between manufacturer/supplier and purchaser.4.1.3 Multi-turn actuators Table 2 Multi-turn actuato
39、r endurance test requirements(see Annex A)Rated torque ranges a Nm Maximum allowable thrust a kN Class A and B On-Off Inching(number of cycles)b Class C Modulating(number of starts)c Class D Continuous modulating(number of starts)c Up to 100 to 40 10 000 1 800 000 10 000 000 101 700 150 10 000 1 200
40、 000 10 000 000 701 2 500 325 5 000 500 000 5 000 000 2 501 10 000 1 100 2 500 250 000 T.B.A.d Above 10 000 1 100 1 000 T.B.A.d T.B.A.d a Based on EN ISO 5210.b One cycle consists of 25 turns in both directions(i.e.25 turns to open+25 turns to close),based on an average loadof at least 30%of the rat
41、ed torque with the ability to transmit 100%of the rated torque for at least 10%of the travel.c One start consists of a movement of at least 1%of travel in either direction,with a load of at least 30%of the rated torque.d To be agreed between manufacturer/supplier and purchaser.w w w.b z f x w.c o mB
42、S EN 15714-2:2009EN 15714-2:2009(E)8 4.1.4 Linear actuators Table 3 Linear actuator endurance test requirements(see Annex A)Rated thrust ranges a kN Class A and B On-Off Inching(number of cycles)b Class C Modulating(number of starts)c Class D Continuous modulating(number of starts)c Up to 20 10 000
43、1 800 000 10 000 000 21 70 10 000 1 200 000 10 000 000 71 150 5 000 500 000 5 000 000 151 325 2 500 250 000 T.B.A.d Above 325 1 000 T.B.A.d T.B.A.d a Based on EN ISO 5210.b One cycle consists in a stroke of 40 mm,or in a minimum stroke(H)given in Table 5,in both directions(i.e.40 mm to open+40 mm to
44、 close),based on an average load of at least 30%of the rated thrust with the ability to transmit 100%of the rated thrust for at least 10%of the travel.c One start consists of a movement of at least 1%of the stroke in either direction,with a load of at least 30%of the rated thrust.d To be agreed betw
45、een manufacturer/supplier and purchaser.4.2 Environmental conditions 4.2.1 General The following environmental conditions shall apply,unless otherwise agreed between the manufacturer/supplier and purchaser:4.2.2 Ambient temperature and humidity The actuator shall be designed for operation at an ambi
46、ent temperature range between 20 C and+60 C with relative humidity up to 80%.4.2.3 Altitude The actuator shall be designed for operation at an altitude up to 1 000 m above sea level.4.2.4 Enclosure protection Electric actuators shall have at least enclosure protection type IP 65 to EN 60529.4.2.5 Ha
47、zardous areas Electric actuators intended for use in hazardous areas shall be designed and certified in accordance with the requirements of the applicable regulations.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 mBS EN 15714-2:2009EN 15714-2:2009(E)9 4.2.6 External corrosion protection Electr
48、ic actuators shall be protected against external corrosion by proper material selection and/or surface treatment.The actuator manufacturers technical documentation shall specify the corrosion protection category according to Table 4.Table 4 Environmental corrosion categories Corrosion category Typic
49、al environments Exterior Interior C2(low)Atmospheres with low level of pollution.Mostly rural areas.Unheated buildings where condensation may occur,e.g.depots,sport halls.C3(medium)Urban and industrial atmospheres,moderate sulphur dioxide pollution.Coastal areas with low salinity.Production rooms wi
50、th high humidity and some air pollution,e.g.food-processing plants,laundries,breweries.C4(high)Industrial areas and coastal areas with moderate salinity.Chemical plants,swimming pools,coastal shipyards.C5-I(very high industrial)Industrial areas with high humidity and aggressive atmosphere.Buildings