• BS EN 14435:2004

    Current The latest, up-to-date edition.

    Respiratory protective devices. Self-contained open-circuit compressed air breathing apparatus with half mask designed to be used with positive pressure only. Requirements, testing, marking

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  02-12-2004

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative References
    3 Terms and definitions
    4 Description
    5 Requirements
      5.1 General
      5.2 Ergonomics
      5.3 Design
      5.4 Materials
      5.5 Cleaning and disinfecting
      5.6 Mass
      5.7 Connections
           5.7.1 General
           5.7.2 Couplings (if fitted)
           5.7.3 Strength of connections to half mask, demand
                 valve and breathing hose (if fitted)
           5.7.4 Connection between apparatus and half mask
           5.7.5 High, medium and low pressure connections
      5.8 Half mask
      5.9 Body harness
      5.10 Practical performance
      5.11 Resistance to temperature and flammability
           5.11.1 Temperature performance
           5.11.2 Flammability
      5.12 Protection against particulate matter
      5.13 High and medium pressure parts
      5.14 Pressure vessel
      5.15 Pressure vessel valve(s)
      5.16 Pressure reducer
           5.16.1 General
           5.16.2 Apparatus with a pressure reducer safety valve
           5.16.3 Apparatus without a pressure reducer safety valve
      5.17 Pressure indicator and tube
           5.17.1 General
           5.17.2 Pressure indicator of the pointer type
           5.17.3 Pressure indicator of the tactile type
           5.17.4 Electronic pressure indicator
      5.18 Warning device
           5.18.1 General
           5.18.2 Pneumatic warning
           5.18.3 Electronic warning device
      5.19 Flexible hoses and tubes
           5.19.1 Breathing hose
           5.19.2 Medium pressure connecting tube
      5.20 Lung governed demand valve
           5.20.1 General
           5.20.2 Leaktightness
      5.21 Breathing resistance
           5.21.1 Inhalation resistance
           5.21.2 Exhalation resistance
      5.22 Static pressure
    6 Testing
      6.1 General
      6.2 Nominal values and tolerances
      6.3 Visual inspection
      6.4 Resistance to temperature and flammability
           6.4.1 Laboratory tests with a breathing machine
           6.4.2 Practical performance test
      6.5 Pressure reducer
           6.5.1 General
           6.5.2 Apparatus with a pressure reducer safety valve
           6.5.3 Apparatus without a pressure reducer safety valve
      6.6 Warning device
      6.7 Leaktightness
           6.7.1 Low pressure test
           6.7.2 High pressure test
      6.8 Water immersion
      6.9 Strength of connections to half mask, demand valve
           and breathing hose (if fitted)
      6.10 Resistance to collapse of breathing hose
           6.10.1 Principle
           6.10.2 Apparatus
           6.10.3 Procedure
      6.11 Practical performance
           6.11.1 General
           6.11.2 Walking test
           6.11.3 Work simulation test
      6.12 Breathing resistance
           6.12.1 Inhalation resistance
           6.12.2 Exhalation resistance
    7 Marking
    8 Information supplied by the manufacturer
    Annex A (informative) Marking
    Annex ZA (informative) Clauses of this European Standard
             addressing essential requirements or other provisions
             of EU Directives
    Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies minimum performance requirements for self-contained open-circuit compressed air breathing apparatus with half mask designed to be used with positive pressure only.

    General Product Information - (Show below) - (Hide below)

    Committee PH/4
    Development Note Supersedes 02/561978 DC. (12/2004)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 148-3:1999 Respiratory protective devices - Threads for facepieces - Part 3: Tread connection M 45 x 3
    EN 12021:2014 Respiratory equipment - Compressed gases for breathing apparatus
    IEC 61000-6-2:2016 Electromagnetic compatibility (EMC) - Part 6-2: Generic standards - Immunity standard for industrial environments
    89/686/EEC : 1989 AMD 5 2012 COUNCIL DIRECTIVE OF 21 DECEMBER 1989 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO PERSONAL PROTECTIVE EQUIPMENT
    EN 50020:2002 Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
    EN 132:1998 Respiratory protective devices - Definitions of terms and pictograms
    EN 13274-3:2001 Respiratory protective devices - Methods of test - Part 3: Determination of breathing resistance
    EN 134:1998 Respiratory protective devices - Nomenclature of components
    EN 13274-4:2001 Respiratory protective devices - Methods of test - Part 4: Flame tests
    EN 61000-6-2:2005/corrigendum:2005 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-2: GENERIC STANDARDS - IMMUNITY FOR INDUSTRIAL ENVIRONMENTS (IEC 61000-6-2:2005)
    EN 140:1998/AC:1999 Respiratory protective devices - Half masks and quarter masks - Requirements, testing, marking
    EN 837-1:1996/AC:1998 PRESSURE GAUGES - BOURDON TUBE PRESSURE GAUGES - DIMENSIONS, METROLOGY, REQUIREMENTS AND TESTING
    EN 148-2:1999 Respiratory protective devices - Threads for facepieces - Part 2: Centre thread connection
    EN 50014:1997/A2:1999 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    IEC 61000-6-2 : 3.0:2016 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 6-2: GENERIC STANDARDS - IMMUNITY STANDARD FOR INDUSTRIAL ENVIRONMENTS
    EN 13274-2:2001 Respiratory protective devices - Methods of test - Part 2: Practical performance tests
    EN 13274-5:2001 Respiratory protective devices - Methods of test - Part 5: Climatic conditions
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