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SLOVENSKI STANDARD
01-maj-2022
Nadomešča:
SIST EN ISO 10423:2010
Industrija za predelavo nafte in zemeljskega plina - Vrtalna in proizvodna oprema -
Oprema za glavo izvrtine in križ na ustjih vrtin (ISO 10423:2022)
Petroleum and natural gas industries - Drilling and production equipment - Wellhead and
tree equipment (ISO 10423:2022)
Erdöl- und Erdgasindustrie - Bohr- und Förderausrüstung - Bohrlochkopf- und
Eruptionskreuz-Ausrüstung (ISO 10423:2022)
Industries du pétrole et du gaz naturel - Équipement de forage et de production -
Équipement pour têtes de puits et arbres de Noël (ISO 10423:2022)
Ta slovenski standard je istoveten z: EN ISO 10423:2022
ICS:
75.180.10 Oprema za raziskovanje, Exploratory, drilling and
vrtanje in odkopavanje extraction equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 10423
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2022
EUROPÄISCHE NORM
ICS 75.180.10 Supersedes EN ISO 10423:2009
English Version
Petroleum and natural gas industries - Drilling and
production equipment - Wellhead and tree equipment (ISO
10423:2022)
Industries du pétrole et du gaz naturel - Équipement de Erdöl- und Erdgasindustrie - Bohr- und
forage et de production - Équipement pour têtes de Förderausrüstung - Bohrlochkopf- und
puits et arbres de Noël (ISO 10423:2022) Eruptionskreuz-Ausrüstung (ISO 10423:2022)
This European Standard was approved by CEN on 22 February 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, Turkey 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 ISO 10423:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 10423:2022) has been prepared by Technical Committee ISO/TC 67 "Materials,
equipment and offshore structures for petroleum, petrochemical and natural gas industries" in
collaboration with Technical Committee CEN/TC 12 “Materials, equipment and offshore structures for
petroleum, petrochemical and natural gas industries” the secretariat of which is held by NEN.
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 September 2022, and conflicting national standards
shall be withdrawn at the latest by September 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 10423:2009.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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,
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, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 10423:2022 has been approved by CEN as EN ISO 10423:2022 without any modification.
INTERNATIONAL ISO
STANDARD 10423
Fifth edition
2022-03
Petroleum and natural gas
industries — Drilling and production
equipment — Wellhead and tree
equipment
Industries du pétrole et du gaz naturel — Équipement de forage et de
production — Équipement pour têtes de puits et arbres de Noël
Reference number
ISO 10423:2022(E)
ISO 10423:2022(E)
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii
ISO 10423:2022(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
st
4 Supplements to API Spec 6A, 21 edition (2018) . 1
4.1 General requirements . 1
4.2 Closure bolting . 2
4.3 Fittings and pressure boundary penetrations . 2
4.4 Chokes . 2
4.5 Wellhead equipment data sheet – General. 3
4.6 Typical wellhead and tree configurations . 3
Bibliography . 4
iii
ISO 10423:2022(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the
...