1、ICS 13.300; 23.020.20; 23.060.40Tanks for transport of dangerous goodsService equipment for tanks Emergency pressure relief valveEnglish version of DIN EN 14596Tanks fr die Befrderung gefhrlicher Gter Bedienungsausrstung von Tanks NotentlastungsventilA comma is used as the decimal marker.National fo
2、rewordThis standard has been prepared by CEN/TC 296 Tanks for transport of dangerous goods (Secretariat:France).On the initiative of the German experts, TRT rules are incorporated.The responsible German body involved in its preparation was the Normenausschuss Tankanlagen (TankInstallations Standards
3、 Committee), Technical Committee AA 2.07 Ausrstung fr Transporttanks.This standard describes a safety valve known as a fill hole cover and is specified in particular in the USA andUK. This valve rises if an excess pressure of 0,2 to approximately 0,25 bar occurs, and allows gases or liquidsto escape
4、.Since the majority of members (including Germany) are of the opinion that this is at variance with ADR/RIDregulations (where substantial reinforcement is specified at tank apertures), the ADR/RID at its jointconference voted against including this standard in the ADR/RID regulations (see the report
5、 of the jointconference of the RID safety committee and the ECE working group on the transport of dangerous goodsfrom 13thto 17thSeptember 2004).The DIN Standard corresponding to the International Standard referred to in clause 2 of the EN is as follows:ISO Standard DIN StandardISO 2859-1 DIN ISO 28
6、59-1National Annex NABibliographyDIN ISO 2859-1 Sampling procedures for inspection by attributes Part 1: Sampling plans indexed byacceptable quality level (AQL) for lot-by-lot inspection (ISO 2859-1:1989)DEUTSCHE NORM June 2005DIN EN 14596 No part of this standard may be reproduced without the prior
7、 permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).English price group 6www.din.dewww.beuth.de9650209Continued overleaf.Document comprises 12 pages.09.05G4G15G71G8G15G5English versio
8、nICS 13.300; 23.020.20; 23.060.40Tanks for transport of dangerous goodsService equipment for tanks Emergency pressure relief valve 2005. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 14596:2005 ETanks fr die Befrderung gefhrli-cher
9、 Gter Bedienungsausrstungvon Tanks NotentlastungsventilThis European Standard was approved by CEN on 2005-02-03.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alter
10、ation.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation
11、under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, theCzech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Ic
12、eland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN 14596March 2005Management Centre: 36, rue de Stassart, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de
13、 NormalisationEuropisches Komitee fr NormungCiternes destines au transport dematires dangereuses Equipementsde service pour citernes Clapet desurpression accidentellePage 2EN 14596:200533444455555666666667991011Page 3EN 14596:2005Page 4EN 14596:2005Page 5EN 14596:2005Page 6EN 14596:2005Page 7EN 14596:2005Page 8EN 14596:2005Page 9EN 14596:2005Page 10EN 14596:2005Page 11EN 14596:2005
