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IEC 60534-3-1
Edition 2.0 2019-02
INTERNATIONAL
STANDARD
Industrial-process control valves –
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
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IEC 60534-3-1
Edition 2.0 2019-02
INTERNATIONAL
STANDARD
Industrial-process control valves –
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
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 23.060.40; 25.040.40 ISBN 978-2-8322-6512-3
– 2 – IEC 60534-3-1:2019 © IEC 2019
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Nominal sizes and pressure ratings . 6
4.1 Nominal sizes . 6
4.2 Pressure ratings . 6
5 Face-to-face and centre-to-face dimensions . 7
6 Tolerances . 7
7 Flange facings . 7
Bibliography . 13
Figure 1 – Face-to-face and centre-to-face dimensions . 6
Figure 2 – End-to-end and centre-to-end dimensions . 6
Figure 3 – Details of RTJ flanges . 7
Table 1 – Face-to-face dimensions for flanged, two-way, globe-style, straight pattern
control valves: PN-designated valves . 8
Table 2 – Face-to-face dimensions for flanged, two-way, globe-style, straight pattern
control valves: class-designated valves . 9
Table 3 – Centre-to-face dimensions for flanged, two-way, globe-style, angle pattern
control valves: PN-designated valves . 10
Table 4 – Centre-to-face dimensions for flanged, two-way, globe-style, angle pattern
control valves: class-designated valves . 11
Table 5 – Dimension “X” to be added to face-to-face dimensions of straight pattern
valves to obtain end-to-end dimensions of valves with ring joint ends . 12
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INDUSTRIAL-PROCESS CONTROL VALVES –
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
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
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9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
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International Standard IEC 60534-3-1 has been prepared by subcommittee 65B: Measurement
and control devices, of IEC technical committee 65: Industrial-process measurement, control
and automation.
This second edition cancels and replaces the first edition published in 2000. This edition
constitutes a technical revision.
The main changes with respect to the previous edition are listed below:
• this document has been extended to cover face-to-face dimensions and centre-to-face
dimensions for control valves PN 160 and PN 250 (Class 900 and 1 500);
• definitions of end-to-end dimensions and centre-to-end dimensions have been added for
valves with flange facings where the gasket contact surfaces are not located at the
extreme ends of the valve;
– 4 – IEC 60534-3-1:2019 © IEC 2019
• Table 5 of adjustment value “X” for end-to-end dimensions of straight pattern valves with
ring joint ends has been added;
• ANSI/ISA references have been added in Tables 1 to 4;
• ANSI/ISA references have been added in the bibliography.
The text of this International Standard is based on the following documents:
FDIS Report on voting
65B/1142/FDIS 65B/1146/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.
INDUSTRIAL-PROCESS CONTROL VALVES –
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
1 Scope
This part of IEC 60534 specifies face-to-face (FTF) and centre-to-face (CTF) dimensions for
given nominal sizes and pressure ratings of flanged, two-way, globe-type, straight pattern and
angle pattern control valves. The nominal sizes included are DN 15 to DN 400 for straight
pattern control valves and DN 15 to DN 400 for angle pattern control valves.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements 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 60534-1, Industrial-process control valves – Part 1: Control valve terminology and
general considerations
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60534-1 and the
following apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
straight pattern valve
valve where the outlet end connection is on the opposite side of the valve and in line with the
inlet end connection
3.2
angle pattern valve
valve where the inlet and the outlet end connections are arranged at a right angle with the
centerlines matching each other
3.3
face-to-face dimension (FTF)
distance between the faces of the connecting end flanges upon
which the gaskets are compressed, that is, the contact surfaces (see Figure 1)
3.4
centre-to-face dimension (CTF)
distance between the plane located at the face of either end
connection and perpendicular to its axis and the axis of the other end connection
(see Figure 1)
– 6 – IEC 60534-3-1:2019 © IEC 2019
3.5
end-to-end dimension (ETE)
distance between the extreme ends of the valve for those flanged
valves where the gasket contact surfaces are not located at the extreme ends of the valve
(see Figures 2 and 3)
3.6
centre-to-end dimension (CTE)
distance between the plane located at the extreme end of either
end connection and perpendicular to its axis and the axis of the other end connection for
those flanged valves where the gasket contact surfaces are not located at the extreme ends
of the valve (see Figures 2 and 3)
4 Nominal sizes and pressure ratings
4.1 Nominal sizes
Nomi
...