BS EN 402:2003

Foreword
Introduction
1 Scope
2 Normative references
3 Definition and description
4 Description
5 Classification
6 Requirements
   6.1 General
   6.2 Ergonomics
   6.3 Design
   6.4 Materials
   6.5 Cleaning and disinfecting
   6.6 Mass
   6.7 Connections
   6.8 Harness
   6.9 Handling
   6.10 Leak tightness
   6.11 Facepiece
   6.12 Goggles
   6.13 Temperature performance and flammability resistance
   6.14 Protection against particulate matter
   6.15 High and medium pressure parts
   6.16 High, medium and low pressure connections
   6.17 Pressure vessel(s)
   6.18 Pressure vessel seal
   6.19 Pressure reducer
   6.20 Pressure safety valve
   6.21 Pressure indicator
   6.22 Flexible hoses and tubes
   6.23 Mechanical strength
   6.24 Performance requirements
   6.25 Protection against environment
   6.26 Practical performance
7 Testing
   7.1 General
   7.2 Nominal values and tolerances
   7.3 Visual inspection
   7.4 Mechanical strength
   7.5 Resistance to temperature
   7.6 Pressure reducer
   7.7 Low temperature practical performance
   7.8 Practical performance
   7.9 Breathing resistance
8 Marking
9 Information supplied by the manufacturer
Annex A (normative) - Methods of measurement of the insulation
                         resistance of the carrying container
Annex B (informative) - Test results - Uncertainty of measurement
Annex C (informative) - Marking
Annex ZA (informative) - Clauses of this European standard addressing
                         essential requirements or other provisions
                         of EU Directives
Bibliography

Describes minimum requirements for lung governed demand self-contained open-circuit compressed air breathing apparatus for escape.