BS EN 14435:2004

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

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