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SLOVENSKI STANDARD
01-januar-2023
Nadomešča:
SIST EN 15714-3:2011
Industrijski ventili - Pogoni - 3. del: Pnevmatični pogoni z delnim zasukom za
industrijske ventile - Osnovne zahteve
Industrial valves - Actuators - Part 3: Pneumatic part-turn actuators for industrial valves -
Basic requirements
Industriearmaturen - Antriebe - Teil 3: Pneumatische Schwenkantriebe für
Industriearmaturen - Grundanforderungen
Robinetterie industrielle - Actionneurs - Partie 3 : Actionneurs pneumatiques à fraction de
tour pour robinetterie industrielle - Prescriptions de base
Ta slovenski standard je istoveten z: EN 15714-3:2022
ICS:
23.060.20 Zapirni ventili (kroglasti in Ball and plug valves
pipe)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 15714-3
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2022
EUROPÄISCHE NORM
ICS 23.060.20 Supersedes EN 15714-3:2009
English Version
Industrial valves - Actuators - Part 3: Pneumatic part-turn
actuators for industrial valves - Basic requirements
Robinetterie industrielle - Actionneurs - Partie 3 : Industriearmaturen - Antriebe - Teil 3: Pneumatische
Actionneurs pneumatiques à fraction de tour pour Schwenkantriebe für Industriearmaturen -
robinetterie industrielle - Prescriptions de base Grundanforderungen
This European Standard was approved by CEN on 19 September 2022.
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-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 responsibility 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, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 15714-3:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Classification/Designation . 8
4.1 Duty classification . 8
4.1.1 General. 8
4.1.2 On-off duty . 8
4.1.3 Modulating duty . 8
4.2 Action . 8
4.2.1 Double Acting (DA) . 8
4.2.2 Single Acting (SA) . 8
5 Motive energy . 8
5.1 Operating medium. 8
5.2 Quality . 8
5.3 Pressure . 9
6 Actuator performance data . 9
6.1 Minimum moving pressure . 9
6.2 Operating time . 9
6.3 Displacement volume . 9
7 Basic design requirements . 9
7.1 Safety requirements . 9
7.2 Actuator attachment . 9
7.3 Angular stroke . 10
7.4 Endurance of part-turn actuators . 10
7.5 Leakage . 11
7.6 Environmental conditions . 11
7.6.1 Ambient temperature. 11
7.6.2 Enclosure protection . 11
7.6.3 Corrosion protection . 11
7.7 Pressure connections . 12
7.7.1 General. 12
7.7.2 Remotely mounted pilot valves . 13
7.7.3 Direct mounted pilot valves . 14
7.8 Pressure connections for single acting actuators . 15
7.9 Fail safe direction for single acting actuators . 15
7.10 Structural safety factors . 15
7.11 Position indication . 16
8 Optional equipment . 16
8.1 Ancillaries . 16
8.2 Manual operation . 19
8.3 Mechanical end stop adjustment . 19
9 Conformity assessment . 19
9.1 General . 19
9.2 Type tests . 19
9.3 Control of production process . 20
10 Marking . 21
10.1 Basic requirements on marking . 21
10.2 Optional information . 22
11 Documentation . 22
12 Part-turn actuator selection guidelines . 22
Annex A (normative) Actuator type test procedure . 23
A.1 General . 23
A.2 Test equipment. 23
A.3 Test conditions . 23
A.4 Test procedure . 23
A.4.1 Initial tests . 23
A.4.2 Endurance test . 24
A.4.3 Final tests. 24
A.5 Acceptance criteria . 24
Annex B (informative) Actuator selection guidelines . 25
B.1 General . 25
B.2 Selection parameters . 25
B.2.1 General . 25
B.2.2 Valve questions . 25
B.2.3 Actuator questions . 25
B.2.4 Ancillary questions . 26
B.2.5 Environmental conditions . 26
B.3 Actuator selection . 26
B.3.1 General . 26
B.3.2 Torque characteristics for rack and pinion or vane actuators . 27
B.3.3 Torque characteristics for scotch yoke actuators (e.g. symmetric system) . 28
Bibliography . 30
European foreword
This document (EN 15714-3:2022) 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 2023, and conflicting national standards shall be
withdrawn at the latest by April 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shal
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