SN EN 13794 : 2003

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Descriptions
5 Classification
  5.1 General
  5.2 Types of oxygen escape apparatus
  5.3 Classes of oxygen escape apparatus
6 Requirements
  6.1 General
  6.2 Design
  6.3 Materials
  6.4 Cleaning and disinfecting
  6.5 Mass
  6.6 Connections (couplings)
  6.7 Harness
  6.8 Handling
  6.9 Leaktightness
  6.10 Facepiece
  6.11 Goggles
  6.12 Inhalation and exhalation valves
  6.13 Relief valve
       6.13.1 General
       6.13.2 Opening pressure
       6.13.3 Tensile force
  6.14 Breathing bag
  6.15 Flexible hose(s) (if fitted)
  6.16 Mechanical strength
  6.17 Resistance to temperature
       6.17.1 Conditioning
       6.17.2 Performance
  6.18 Flammability
  6.19 Performance
       6.19.1 Rated working duration
       6.19.2 Oxygen content
       6.19.3 Carbon dioxide content
       6.19.4 Temperature and humidity
       6.19.5 Breathing resistance
  6.20 Surface temperature
  6.21 Practical performance
  6.22 Specific requirements for escape apparatus C type
  6.23 Specific requirements for escape apparatus D type
       6.23.1 Protection against particulate matter
       6.23.2 High and medium pressure parts
       6.23.3 High, medium and low pressure connections
       6.23.4 Gas containers
       6.23.5 Gas container seal
       6.23.6 Gas container seal connection
       6.23.7 Pressure reducer
       6.23.8 pressure indicator
       6.23.9 Oxygen supply
  6.24 Specific requirements for escape apparatus K type
       6.24.1 Leaktightness
       6.24.2 Oxygen supply
7 Testing
  7.1 General
  7.2 Nominal values and tolerances
  7.3 Visual inspection
  7.4 Insulation resistance of non-metallic carrying
       containers
  7.5 Leaktightness
       7.5.1 Leaktightness of the carrying container
       7.5.2 Leaktightness of the ready-for-use apparatus
  7.6 Mechanical strength
       7.6.1 Shock
       7.6.2 Vibration
  7.7 Opening pressure of the relief valve
  7.8 Breathing bag
  7.9 Resistance to temperature
       7.9.1 Conditioning
       7.9.2 Temperature tests at -5 degree C and +60
              degree C
       7.9.3 Low temperature practical performance test
  7.10 Laboratory performance tests
       7.10.1 General performance
       7.10.2 Performance at 70 l/min
  7.11 Surface temperature
  7.12 Breathing resistance
  7.13 Tensile force
  7.14 Oxygen supply
  7.15 Cleaning and disinfecting
  7.16 Practical performance
       7.16.1 General
       7.16.2 Escape tests
       7.16.3 Test at rest
8 Marking
9 Information supplied by the manufacturer
Annex A (normative) Additional requirements for apparatus
        designed for underground use
Annex B (normative) Methods of measurement of the insulation
        resistance of the carrying container
Annex C (normative) Training apparatus
Annex D (informative) Marking
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other provisions
         of EU Directives

Gives minimum requirements for self-contained closed-circuit breathing apparatus, chemical oxygen (KO[2], NaCIO[3]) type and compressed oxygen type, for escape (short: oxygen escape apparatus).