DEUTSCHE NORM April 2007
DIN EN 14420-7
ICS 23.040.70 Superdes
DIN EN 14420-7:2005-05
Ho fittings with clamp units-
Part 7:Cam locking couplings
(includes Amendment A1:2007)
English version of DIN EN 14420-7:2007-04
Schlaucharmaturen mit Klemmfassungen-
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Teil 7:Hebelarmkupplungen
(enthält Änderung A1:2007)
Englische Fassung DIN EN 14420-7:2007-04
Document compris 25 pages © No part of this standard may be reproduced without prior permission of English price group 12
DIN Deutsches insitut für Normung e,V.,Berlin Beuth Varlag GmbH,10772 Berlin,Germany, www.din.de
has the exclusive right of sale for German Standards (DIN-Normen). www.beuth.de
DIN EN 14420-7:2007-04
National foreword
This standard has been prepared by CEN/TC 218 “Rubber and plastics hos and ho asmblies”(Secretariat:BSI,United Kingdom).
The responsible German body involved in its preparation was the Normenausschuss Rohrieitungen und Dampfkeslanlagen(Pipelines and Bo lers Standards Committee),Technical Committee NA 082-00-02 AA Schlauchkupplungen
Amendmentsfromsport
This standard differs from DIN EN 14420-7:2005-05 as follows:
a) The scope has been amended.
Previous editions
DIN 2828:1994-02
DIN EN 14420-7:2005-05
EUROPEAN STANDARD EN 14420-7:2004+A1 NORME EUROPÉENNE
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EUROPÄISCHENORM january 2007
ICS 23.040.70 Superdes EN 14420-7:2004
归国证明
English Version
Ho fittings with clamp units-part 7:Cam locking couplings
Raccords pour flexibles avec demi-coquille-Partie 7: Schlaucharmaturen mit Klemmfassungen-Teil 7: Raccords à cames Hebelarmkupplungen
This European Standard was approved by CEN on 30 September 2004 and includes Amendment 1 approved by CEN on 13 December 2006.
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CEN members are bound to comply with the CEN/CENELEC intermal 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 comcerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions(English,French,German).A version in any ot
her language made by translation under the responsibility of a CEN member into its own language and notifled to the CEN Management Centre has the same status as the official versions.
CEN members are the mational standards bodles of Austria,Belgium, Bulgaria,Cyprus,Czech Republic,Denmard,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lit huania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakla,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 Brusls
© 2007 CEN All rights of exploltation in any from and by any means rerved Ref,No.EN 14420-7:2004+A1:2007:E worldwide for CEN national Members
Contents
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page Foreword (3)
Introduction (4)
1 Scope (5)
2 Normative references (5)
3 Requirements (5)
3.1 Construction (5)
3.2 Temperatures (6)
拂拭4 Survey (6)
5 Types of connection,survey (8)
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6 Designation (9)
7 Dimensions (9)
7.1 General (9)science citation index
7.2 Coupler types (9)
7.3 Cam arm (item No 2) (12)
7.4 Pin (item No 3) (13)
7.5 Ring (item No 4) (14)
7.6 Main gasket (item No 5) (14)
7.7 Thread gasket (item No 6) (15)
7.8 Adapter types (15)
8 Materials (19)
8.1 General (19)
8.2 Coupler and adapter body (19)
8.3 Cam arm (item No 2) (19)
8.4 Pin (item No 3) (19)
8.5 Ring (item No 4) (19)
8.6 Main gasket (item No 5) (19)
8.7 Thread gasket (item No 6) (20)
9 Marking (20)
10 Type approval testing and quality control (20)
Annex A (normative) Gauges for cam-locking couplings (21)
A.1 Dimensions and designation (21)
A.2 Material (22)
Bibliography (23)
Foreword
This document (EN 14420-7:2004+A1:2007) has been prepared by Technical Committee CEN/TC 218 “Rubber and plastics hos and ho asmblies”,the cretariat of which is held by BSI.
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This European Standard shall be given the status of a national standard,either by publication of an identical text or by endorment,at the latest by July 2007,and conflicting national standards shall be withdrawn at the latest by July 2007.
This document includes Amendment 1,approved by CEN on 2006-12-13.
The start and finish of text introduced or altered by amendment is indicated in the text by tags
EN 14420 consists at the time of publication of the following parts:
EN 14420-1,Ho fittings with clamp units-Part 1:Requirements,survey,designation and testing
EN 14420-2,Ho fittings with clamp units-Part 2:Ho side parts of ho tail
EN 14420-3,Ho fittings with clamp units-Part 3:Clamp units,bolted or pinned
EN 14420-4,Ho fittings with clamp units-Part 4:Flange connections
EN 14420-5,Ho fittings with clamp units-Part 5:Threaded connections
EN 14420-6,Ho fittings with clamp units-Part 6:TW tank truck couplings
EN 14420-7,Ho fittings with clamp units-Part 7:Cam locking couplings
EN 14420-8,Ho fittings with clamp units-Part 8:Symmetrical half coupling (Guillemin system) 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,Cyprus,Czech ,Republic,Denmard,Estonia,Finland,France,Germany,Greece,Hungary,Icelan -d,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania, Slovakla,Slovenia,Spain, Sweden,Switzerland and United Kingdom.
