Industrial valves - Cast iron check valves

This European Standard specifies requirements for cast iron check valves having flanged end connections or wafer type bofy, with either metallic or resilient seating, in nominal sizes DN40 to DN1000 and nominal pressure ratings PN6 to PN40, Class 125, and Class 250 and in pivoting, linear, diaphragm or ball type.

Industriearmaturen - Rückflussverhinderer aus Gusseisen

Robinetterie industrielle - Clapets de non-retour en fonte

Industrijski ventili - Litoželezni protipovratni ventili

General Information

Status
Withdrawn
Publication Date
31-Oct-2004
Withdrawal Date
25-May-2016
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
25-May-2016
Due Date
17-Jun-2016
Completion Date
26-May-2016

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Amendment
SIST EN 12334:2001/A1:2004
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SLOVENSKI STANDARD
SIST EN 12334:2001/A1:2004
01-november-2004
Industrijski ventili - Litoželezni protipovratni ventili
Industrial valves - Cast iron check valves
Industriearmaturen - Rückflussverhinderer aus Gusseisen
Robinetterie industrielle - Clapets de non-retour en fonte
Ta slovenski standard je istoveten z: EN 12334:2001/A1:2004
ICS:
23.060.50
SIST EN 12334:2001/A1:2004 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
EUROPEAN STANDARD
EN 12334:2001/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2004
ICS 23.060.50
English version
Industrial valves - Cast iron check valves

Robinetterie industrielle - Clapets de non-retour en fonte Industriearmaturen - Rückflussverhinderer aus Gusseisen

This amendment A1 modifies the European Standard EN 12334:2001; it was approved by CEN on 27 May 2004.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this

amendment into the relevant 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 CEN member.

This amendment 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 Central Secretariat has the same status as the official versions.

CEN members are the national standards bodies 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels

© 2004 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12334:2001/A1:2004: E

worldwide for CEN national Members.
---------------------- Page: 2 ----------------------
EN 12334:2001/A1:2004 (E)
Foreword

This document (EN 12334:2001/A1:2004) has been prepared by Technical Committee CEN/TC 69 “Industrial

valves”, the secretariat of which is held by AFNOR.

This Amendment to the European Standard EN 12334 shall be given the status of a national standard, either by

publication of an identical text or by endorsement, at the latest by February 2005, and conflicting national standards

shall be withdrawn at the latest by February 2005

This document has been prepared under a mandate given to CEN by the European Commission and the European

Free Trade Association, and supports essential requirements of EU Directive(s).

According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following

countries are bound to. implement this European Standard: 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.

---------------------- Page: 3 ----------------------
EN 12334:2001/A1:2004 (E)
4.1.1.1
Replace by:

"4.1.1.1 The body and cover (if any) materials shall be selected from Table 1. The limits of use given in the

material standard shall be taken into account. See 4.1.2.1 and 4.2.1."
4.1.2.1
Replace by:

"4.1.2.1 The pressure/temperature ratings shall be in accordance with EN 1092-2 for the equivalent ISO

material grade and are not for conditions of hydraulic or external shock likely to cause brittle fracture.

Annex B should be used to determine the equivalent ISO material grade for the EN material grades specified in

Table 1
...

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