SIST EN 60534-1:2007

Industrial-process control valves -- Part 1: Control valve terminology and general considerations

applies to all types of industrial-process control valves (hereinafter referred to as control valves). This part establishes a partial basic terminology list and provides guidance on the use of all other parts of EN 60534

Stellventile für die Prozessregelung -- Teil 1: Begriffe und allgemeine Betrachtungen

Vannes de régulation des processus industriels -- Partie 1: Terminologie des vannes de régulation et considérations générales

est applicable à tous les types de vannes de régulation des processus industriels (désignés ci-après comme vannes de régulation). Cette partie établit une partie de la terminologie de base et fournit les conseils d'utilisation pour les autres parties de la EN 60534.

Regulacijski ventili za industrijske procese - 1. del: Terminologija za regulacijske ventile in splošno (IEC 60534-1:2005)

General Information

• Status: Published
• Publication Date: 31-Dec-2006
• ICS: 23.060.40 - Pressure regulators
• ICS: 25.040.40 - Industrial process measurement and control
• Technical Committee: MKP - Industrial-process measurement and control
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Jan-2007
• Due Date: 01-Jan-2007
• Completion Date: 01-Jan-2007
• Ref Project: EN 60534-1:2005 - Industrial-process control valves - Part 1: Control valve terminology and general considerations

Relations

• Replaces: SIST EN 60534-1:1998 - Industrial-process control valves -- Part 1: Control valve terminology and general considerations
• Effective Date: 07-Jun-2022
• Revised: SIST EN 60534-1:1998 - Industrial-process control valves -- Part 1: Control valve terminology and general considerations
• Effective Date: 13-May-2010

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EUROPEAN STANDARD EN 60534-1
NORME EUROPÉENNE
EUROPÄISCHE NORM February 2005

ICS 23.060.40; 25.040.40 Supersedes EN 60534-1:1993

English version
Industrial-process control valves
Part 1: Control valve terminology and general considerations
(IEC 60534-1:2005)
Vannes de régulation des processus Stellventile für die Prozessregelung
industriels Teil 1: Begriffe und allgemeine
Partie 1: Terminologie des vannes Betrachtungen
de régulation et considérations générales (IEC 60534-1:2005)
(CEI 60534-1:2005)
This European Standard was approved by CENELEC on 2005-02-01. CENELEC 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 Central Secretariat or to any CENELEC 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 CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60534-1:2005 E
Foreword
The text of document 65B/543/FDIS, future edition 3 of IEC 60534-1, prepared by SC 65B, Devices, of
IEC TC 65, Industrial-process measurement and control, was submitted to the IEC-CENELEC parallel
vote and was approved by CENELEC as EN 60534-1 on 2005-02-01.
This European Standard supersedes EN 60534-1:1993.
The main changes with respect to EN 60534-1:1993 are an update of the definitions given in
EN 60534-1 in order to harmonize them with current terminology.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2005-11-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2008-02-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60534-1:2005 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
ISO 6708 NOTE Harmonized as EN ISO 6708:1995 (not modified).
______
- 3 - EN 60534-1:2005
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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.
NOTE Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
IEC 60534 Series Industrial-process control valves EN 60534 Series

NORME CEI
INTERNATIONALE IEC
60534-1
INTERNATIONAL
Troisième édition
STANDARD
Third edition
2005-01
Vannes de régulation des processus industriels –
Partie 1:
Terminologie des vannes de régulation
et considérations générales
Industrial-process control valves –
Part 1:
Control valve terminology
and general considerations
 IEC 2005 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: [phone] Telefax: [phone] E-mail: [e-mail] Web: www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale PRICE CODE M
International Electrotechnical Commission
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Pour prix, voir catalogue en vigueur
For price, see current catalogue

60534-1  IEC:2005 – 3 –
CONTENTS
FOREWORD.5
1 Scope .9
2 Normative references .9
3 Component terminology .9
4 Functional terminology.15
5 Testing requirements .23
5.1 Production testing.23
5.2 Type testing .23
6 Prediction methods.23
6.1 Valve sizing.23
6.2 Noise levels.23
Bibliography .25

60534-1  IEC:2005 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INDUSTRIAL-PROCESS CONTROL VALVES –
Part 1: Control valve terminology
and general considerations
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60534-1 has been prepared by subcommittee 65B: Devices, of IEC
technical committee 65: Industrial-process measurement and control.
This third edition cancels and replaces the second edition published in 1987. This edition
constitutes a technical revision.
The main changes with respect to the previous edition are an update of the definitions given
in IEC 60534-1 in order to harmonize them with current terminology.

60534-1  IEC:2005 – 7 –
The text of this standard is based on the following documents:
FDIS Report on voting
65B/543/FDIS 65B/545/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under http://webstore.iec.ch in the
data related to the specific publication. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
IEC 60534 consists of the following parts, under the general title Industrial-process control
valves:
Part 1: Control valve terminology and general considerations
Part 2-1: Flow capacity – Sizing equations for fluid flow under installed conditions
Part 2-3: Flow capacity – Test procedures
Part 2-4: Flow capacity – Section Four: Inherent flow characteristics and rangeability
Part 2-5: Flow capacity – Sizing equations for fluid flow through multistage control valves
with interstage recovery
Part 3-1: Dimensions – Face-to-face dimensions for flanged, two-way, globe-type, straight
pattern and centre-to-face dimensions for flanged, two-way, globe-type, angle
pattern control valves
Part 3-2: Dimensions – Face-to-face dimensions for rotary control valves except butterfly
valves
Part 3-3: Dimensions – End-to-end dimensions for buttweld, two-way, globe-type, straight
pattern control valves
Part 4: Inspection and routine testing
Part 5: Marking
Part 6-1: Mounting details for attachment of positioners to control valves – Section 1:
Positioner mounting on linear actuators
Part 6-2: Mounting details for attachment of positioners to control valves – Positioner
mounting on rotary actuators
Part 7: Control valve data sheet
Part 8-1: Noise considerations – Section One: Laboratory measurement of noise generated
by aedrodynamic flow through control valves
Part 8-2: Noise considerations – Section 2: Laboratory measurement of nois generated by
hydrodynamic flow through control valves
Part 8-3: Noise considerations – Control valve aerodynamic noise prediction method
Part 8-4: Noise considerations – Section 4: Prediction of noise generated by hydrodynamic
flow
60534-1  IEC:2005 – 9 –
INDUSTRIAL-PROCESS CONTROL VALVES –
Part 1: Control valve terminology
and general considerations
1 Scope
This part of IEC 60534 applies to all types of industrial-process control valves (hereinafter
referred to as control valves). This part establishes a partial basic terminology list and
provides guidance on the use of all other parts of IEC 60534.
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.
IEC 60534 (all parts), Industrial-process control valves
3 Component terminology
3.1
control valve
power-operated device which changes the fluid flow rate in a process control system. It
consists of a valve connected to an actuator that is capable of changing the position of a
closure member in the valve in response to a signal from the controlling system
3.1.1
control valve with a linear motion closure member
3.1.1.1
diaphragm valve
valve in which a flexible closure member isolates the line fluid from the actuating mechanism
and provides a seal to the atmosphere
3.1.1.2
gate valve
valve whose closure member is a flat gate that m
...