BS EN 405-2001+A1-2009 呼吸防护器.防气体或防气体和颗粒的阀滤式半面罩要求,试验和标记.pdf

BRITISH STANDARD BS EN 4052001 A12009 Respiratory protective devices Valved filtering half masks to protect against gases or gases and particles Requirements, testing, marking ICS 13.340.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW National foreword This British Standard is the UK implementation of EN 4052001A12009. It supersedes BS EN 4052002 which is withdrawn. The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by “. The UK participation in its preparation was entrusted to Technical Committee PH/4, Respiratory protection. A list of organizations represented on this subcommittee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. BS EN 4052001A12009 Amendments/corrigenda issued since publication Date Comments 31 July 2009Implementation of CEN amendment A12009, and alignment of BSI and CEN publication dates This British Standard was published under the authority of the Standards Policy and Strategy Committee on 25 February 2002 BSI 2009 ISBN 978 0 580 62118 5 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4052001A1 May 2009 ICS 13.340.30 Supersedes EN 4052001 English Version Respiratory protective devices - Valved filtering half masks to protect against gases or gases and particles - Requirements, testing, marking Appareils de protection respiratoire - Demi-masques filtrants soupapes contre les gaz ou contre les gaz et les particules - Exigences, essais, marquage Atemschutzgerte - Filtrierende Halbmasken mit Ventilen zum Schutz gegen Gase oder Gase und Partikeln - Anforderungen, Prfung, Kennzeichnung This European Standard was approved by CEN on 8 November 2001 and includes Amendment 1 approved by CEN on 26 March 2009. 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 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 respons bility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any and by any means reserved worldwide for CEN national Members. Ref. No. EN 4052001A12009 E 2 Contents page Foreword ...................................................................................................................................................................... 4 Introduction ................................................................................................................................................................. 5 1Scope .............................................................................................................................................................. 6 2Normative references .................................................................................................................................... 6 3Terms and definitions ................................................................................................................................... 6 4Description ..................................................................................................................................................... 6 5Classification .................................................................................................................................................. 7 5.1General ............................................................................................................................................................ 7 5.2Types of gas filtering half masks ................................................................................................................. 7 5.2.1Valved gas filtering half masks .................................................................................................................... 7 5.2.2Valved multi-type gas filtering half masks .................................................................................................. 7 5.2.3Valved combined filtering half masks ......................................................................................................... 7 5.3Designs of combined valved filtering half masks ...................................................................................... 7 5.4Classes of valved gas filtering half masks ................................................................................................. 8 6Designation .................................................................................................................................................... 8 7Requirements ................................................................................................................................................. 8 7.1General ............................................................................................................................................................ 8 7.2Nominal values and tolerances .................................................................................................................... 8 7.3Visual inspection ........................................................................................................................................... 9 7.4Packaging ....................................................................................................................................................... 9 7.5Practical perance ................................................................................................................................... 9 7.6Leakage ........................................................................................................................................................... 9 7.7Filter penetration/capacity ............................................................................................................................ 9 7.7.1Particle filter penetration .............................................................................................................................. 9 7.7.2Gas filtering capacity .................................................................................................................................. 10 7.8Finish of parts .............................................................................................................................................. 11 7.9Inhalation and exhalation valves ................................................................................................................ 11 7.10Breathing resistance ................................................................................................................................... 12 7.10.1General .......................................................................................................................................................... 12 7.10.2Inhalation resistance ................................................................................................................................... 12 7.10.3Exhalation resistance .................................................................................................................................. 13 7.11Clogging ....................................................................................................................................................... 13 7.11.1General .......................................................................................................................................................... 13 7.11.2Devices with separable particle filters ...................................................................................................... 13 7.11.3Devices with integral or separable particle filters .................................................................................... 13 7.11.4Exhalation resistance .................................................................................................................................. 14 7.12Compatibility with skin ................................................................................................................................ 14 7.13Flammability ................................................................................................................................................. 14 7.14Carbon dioxide content of the inhalation air ............................................................................................ 14 7.15Head harness ............................................................................................................................................... 14 7.16Field of vision ............................................................................................................................................... 15 7.17Demountable parts ...................................................................................................................................... 15 8Testing .......................................................................................................................................................... 15 8.1General .......................................................................................................................................................... 15 8.2Visual inspection ......................................................................................................................................... 15 8.3Conditioning ................................................................................................................................................. 15 8.3.1General .......................................................................................................................................................... 15 8.3.2Donning and doffing .................................................................................................................................... 15 EN 4052001A12009 E BS EN 4052001A12009 EN 4052001A12009 E 3 8.3.3Temperature ................................................................................................................................................. 15 8.3.4Mechanical strength .................................................................................................................................... 16 8.4Practical perance ................................................................................................................................. 16 8.4.1General.......................................................................................................................................................... 16 8.4.2Walking test .................................................................................................................................................. 16 8.4.3Work simulation test ................................................................................................................................... 16 8.5Inward Leakage ............................................................................................................................................ 17 8.5.1General.......................................................................................................................................................... 17 8.5.2Principle ........................................................................................................................................................ 17 8.5.3Apparatus ..................................................................................................................................................... 17 8.5.4Conditioning and number of test samples................................................................................................ 18 8.5.5Test subjects ................................................................................................................................................ 18 8.5.6Preparation of samples ............................................................................................................................... 18 8.5.7Test procedure ............................................................................................................................................. 19 8.5.8Test using sulfur hexafluoride as test agent ............................................................................................ 20 8.5.9Test using sodium chloride as test agent ................................................................................................. 21 8.6Gas filtering capacity .................................................................................................................................. 23 8.7Flammability ................................................................................................................................................. 23 8.8Carbon dioxide content of the inhalation air ............................................................................................ 23 8.9Breathing resistance ................................................................................................................................... 24 8.10Strength of attachment exhalation valve housing ................................................................................... 25 9Marking ......................................................................................................................................................... 25 9.1Packaging ..................................................................................................................................................... 25 9.2Valved gas filtering half mask