1、ICS 13.340.30Respiratory protective devices for self-rescueFilter self-rescuer from carbon monoxide with mouthpiece assemblyEnglish version of DIN EN 404Atemschutzgerte fr Selbstrettung Filterselbstretter mit Mundstckgarnitur zum Schutz gegen Kohlen-monoxidNational forewordThis standard has been pre
2、pared by CEN/TC 79 Respiratory protective devices (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss Feinmechanik und Optik(Optics and Precision Mechanics Standards Committee).AmendmentsThis standard differs from the September 1993 edition as follo
3、ws:a) For type B filtering devices, the minute volume has been increased from 30 l/min to 40 l/min.b) For type B filtering devices, more stringent requirements relating to inhalation and exhalationresistances have been specified.Previous editionsDIN EN 404: 1993-09.DEUTSCHE NORM July 2005DIN EN 404
4、No part of this standard may be reproduced without the prior 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 17www.din.dewww.beuth.de9655120Continued overleaf.D
5、ocument comprises 42 pages.11.05G4G15G71G57G26G5Supersedes September 1993edition.English versionICS 13.340.30Respiratory protective devices for self-rescueFilter self-rescuer from carbon monoxide with mouthpiece assembly 2005. CEN All rights of exploitation in any form and by any meansreserved world
6、wide for CEN national members.Ref. No. EN 404:2005 EAtemschutzgerte fr Selbstrettung Filterselbstretter mit Mundstckgarni-tur zum Schutz gegen Kohlenmon-oxidThis European Standard was approved by CEN on 2005-03-03.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipula
7、te the conditions for giving this European Standard the status of anational standard without any alteration.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
8、three official versions (English, French, German).A version in any other language made by translation 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 Austr
9、ia, Belgium, Cyprus, theCzech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN 404April 2005Managemen
10、t Centre: rue de Stassart, 36 B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungAppareils de protection respiratoirepour lvacuation Auto-sauveteuravec ensemble embout buccal filtremonoxide de carboneSupersedes EN 404:1993.Page 2EN 404:20
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