Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries (ISO 10434:2020)

This document specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion and other service conditions can indicate a need for full port openings, heavy wall sections and large stem diameters.
This document sets forth the requirements for the following gate valve features:
—     bolted bonnet;
—     outside screw and yoke;
—     rising stems;
—     non-rising handwheels;
—     single or double gate;
—     wedge or parallel seating;
—     metallic seating surfaces;
—     flanged or butt-welding ends.
It covers valves of the nominal sizes DN:
—     25; 32; 40; 50; 65; 80; 100; 150; 200; 250; 300; 350; 400; 450; 500; 600;
corresponding to nominal pipe sizes NPS:
—     1; 1¼; 1½; 2; 2½; 3; 4; 6; 8; 10; 12; 14; 16; 18; 20; 24;
applies for pressure Class designations:
—     150; 300; 600; 900; 1 500; 2 500;
and applies for pressure PN designations:
—     16, 25, 40, 63, 100, 160, 250 and 400.

Schieber aus Stahl mit geflanschtem Oberteil für die Erdöl-, petrochemische und verwandte Industrien (ISO 10434:2020)

Dieses Dokument legt die Anforderungen an Stahl-Schieber schwerer Ausführung mit geflanschtem Oberteil für Anwendungen in Erdölraffinerien und für ähnliche Zwecke fest, wo Korrosion, Erosion und andere Betriebsbedingungen vollen Durchgang, große Wandquerschnitte und große Spindeldurchmesser erfordern können.
In diesem Dokument werden Anforderungen für Schieber mit folgenden Merkmalen festgelegt:
- geflanschtes Oberteil;
- außenliegendes Spindelgewinde und Bügelaufsatz;
- steigende Spindeln;
- nichtsteigende Handräder;
- einteiliger oder zweiteiliger Abschlusskörper;
- Keil  oder Parallelsitz;
- metallische Sitzoberflächen;
- Flanschanschluss oder Anschweißende.
Es umfasst Schieber mit folgenden Nennweiten DN:
- 25; 32; 40; 50; 65; 80; 100; 150; 200; 250; 300; 350; 400; 450; 500; 600;
für die entsprechenden Rohr-Nennweiten NPS:
- 1; 1¼; 1½; 2; 2½; 3; 4; 6; 8; 10; 12; 14; 16; 18; 20; 24;
gilt für die entsprechenden Class-Werte:
- 150; 300; 600; 900; 1 500; 2 500;
und gilt für PN Werte:
- 16, 25, 40, 63, 100, 160, 250 und 400.

Robinets-vannes en acier à chapeau boulonné pour les industries du pétrole, de la pétrochimie et les industries connexes (ISO 10434:2020)

Le présent document spécifie les exigences pour une large gamme de robinets-vannes en acier à chapeau boulonné pour les raffineries de pétrole et applications connexes pour lesquelles la corrosion, l'érosion et autres conditions relatives au service peuvent impliquer l'utilisation d'orifices de passage intégral, de parois épaisses et de tiges de grands diamètres.
Le présent document donne les exigences pour les éléments des robinets-vannes suivants:
—          chapeau boulonné;
—          tige à filetage extérieur et arcade;
—          tiges montantes;
—          volants non montants;
—          obturateur à simple ou double opercule;
—          sièges obliques ou parallèles;
—          surfaces de portées métalliques;
—          extrémités à brides ou à souder en bout.
Il est applicable aux appareils de robinetterie de diamètres nominaux DN:
—          25; 32; 40; 50; 65; 80; 100; 150; 200; 250; 300; 350; 400; 450; 500; 600;
correspondant aux dimensions nominales de tuyauterie NPS:
—          1; 1¼; 1½; 2; 2½; 3; 4; 6; 8; 10; 12; 14; 16; 18; 20; 24;
pour les désignations de pressions Class:
—          150; 300; 600; 900; 1 500; 2 500;
et pour les désignations de pressions PN:
—          16, 25, 40, 63, 100, 160, 250 et 400.

Jekleni zasuni s prirobničnim zgornjim delom za naftno industrijo, petrokemijo in podobno industrijo (ISO 10434:2020)

General Information

Status
Published
Publication Date
15-Sep-2020
Withdrawal Date
30-Mar-2021
Technical Committee
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
16-Sep-2020
Completion Date
16-Sep-2020

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 10434:2020
01-november-2020
Nadomešča:
SIST EN ISO 10434:2004
Jekleni zasuni s prirobničnim zgornjim delom za naftno industrijo, petrokemijo in
podobno industrijo (ISO 10434:2020)
Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries
(ISO 10434:2020)
Schieber aus Stahl mit geflanschtem Oberteil für die Erdöl-, petrochemische und
verwandte Industrien (ISO 10434:2020)
Robinets-vannes en acier à chapeau boulonné pour les industries du pétrole, de la
pétrochimie et les industries connexes (ISO 10434:2020)
Ta slovenski standard je istoveten z: EN ISO 10434:2020
ICS:
23.060.30 Zapirni ventili (zasuni) Gate valves
75.180.01 Oprema za industrijo nafte in Equipment for petroleum and
zemeljskega plina na splošno natural gas industries in
general
SIST EN ISO 10434:2020 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 10434:2020

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SIST EN ISO 10434:2020


EN ISO 10434
EUROPEAN STANDARD

NORME EUROPÉENNE

September 2020
EUROPÄISCHE NORM
ICS 75.180.20 Supersedes EN ISO 10434:2004
English Version

Bolted bonnet steel gate valves for the petroleum,
petrochemical and allied industries (ISO 10434:2020)
Robinets-vannes en acier à chapeau boulonné pour les Schieber aus Stahl mit geflanschtem Oberteil für die
industries du pétrole, de la pétrochimie et les Erdöl-, petrochemische und verwandte Industrien (ISO
industries connexes (ISO 10434:2020) 10434:2020)
This European Standard was approved by CEN on 21 August 2020.

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
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10434:2020 E
worldwide for CEN national Members.

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SIST EN ISO 10434:2020
EN ISO 10434:2020 (E)
Contents Page
European foreword . 3

2

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SIST EN ISO 10434:2020
EN ISO 10434:2020 (E)
European foreword
This document (EN ISO 10434:2020) has been prepared by Technical Committee ISO/TC 153 "Valves"
in collaboration with 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 March 2021, and conflicting national standards shall
be withdrawn at the latest by March 2021.
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 10434:2004.
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 10434:2020 has been approved by CEN as EN ISO 10434:2020 without any modification.


3

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SIST EN ISO 10434:2020

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...

SLOVENSKI STANDARD
oSIST prEN ISO 10434:2020
01-februar-2020
Jekleni zasuni s prirobničnim zgornjim delom za naftno industrijo, petrokemijo in
podobno industrijo (ISO/DIS 10434:2019)
Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries
(ISO/DIS 10434:2019)
Schieber aus Stahl mit geflanschtem Oberteil für die Erdöl-, petrochemische und
verwandte Industrien (ISO/DIS 10434:2019)
Robinets-vannes en acier à chapeau boulonné pour les industries du pétrole, de la
pétrochimie et les industries connexes (ISO/DIS 10434:2019)
Ta slovenski standard je istoveten z: prEN ISO 10434
ICS:
23.060.30 Zapirni ventili (zasuni) Gate valves
75.180.01 Oprema za industrijo nafte in Equipment for petroleum and
zemeljskega plina na splošno natural gas industries in
general
oSIST prEN ISO 10434:2020 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN ISO 10434:2020

---------------------- Page: 2 ----------------------
oSIST prEN ISO 10434:2020
DRAFT INTERNATIONAL STANDARD
ISO/DIS 10434
ISO/TC 153 Secretariat: AFNOR
Voting begins on: Voting terminates on:
2019-12-04 2020-02-26
Bolted bonnet steel gate valves for the petroleum,
petrochemical and allied industries
Robinets-vannes en acier à chapeau boulonné pour les industries du pétrole, de la pétrochimie et les
industries connexes
ICS: 75.180.20
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 10434:2019(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2019

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oSIST prEN ISO 10434:2020
ISO/DIS 10434:2019(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2019
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
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Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

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oSIST prEN ISO 10434:2020
ISO/DIS 10434:2019(E)

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Pressure/temperature ratings . 3
5 Design . 4
5.1 Body wall thickness . 4
5.2 Bonnet wall thic
...

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