BS EN 14143:2013
$198.66
Respiratory equipment. Self-contained re-breathing diving apparatus
| Published By | Publication Date | Number of Pages |
| BSI | 2013 | 62 |
This European Standard specifies minimum requirements for self-contained re-breathing diving apparatus to ensure a minimum level of safe operation of the apparatus. It applies to the following:
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a maximum depth of 6 m for apparatus using pure oxygen;
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a maximum depth of 40 m for apparatus using oxygen in nitrogen gas mixtures;
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a maximum depth of 100 m for apparatus using oxygen and helium or oxygen, nitrogen and helium gas mixtures;
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water temperatures from 4 °C to 34 °C or outside these temperatures as specified by the manufacturer.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 8 | Foreword |
| 9 | 1 Scope 2 Normative references |
| 10 | 3 Terms and definitions |
| 12 | 4 Minimum equipment 5 Requirements0F ) 5.1 Design |
| 14 | 5.2 Materials 5.3 Gas cylinder(s) |
| 15 | 5.4 Cylinder valve(s) 5.5 High and medium pressure parts and connections 5.5.1 General |
| 16 | 5.5.2 Pressure reducer (if fitted) 5.5.3 Pressure relief system(s) 5.6 Breathing circuit 5.6.1 Performance requirements 5.6.1.1 General |
| 18 | 5.6.1.2 Work of breathing (WOB) 5.6.1.3 Respiratory pressures 5.6.1.4 Hydrostatic imbalance |
| 21 | 5.6.1.5 Maximum inspired partial pressure of carbon dioxide |
| 22 | 5.6.1.6 Automatic volume addition system 5.6.2 Breathable volume 5.6.3 Breathing circuit test pressure 5.6.4 Exhaust valve 5.6.4.1 Maximum pressure within the breathing circuit 5.6.4.2 Leakage 5.6.5 Inhalation and exhalation valves |
| 23 | 5.6.6 Carbon dioxide absorbent canister 5.6.7 Inhalation temperature 5.6.8 Ingress of water 5.7 Gas control or supply system 5.7.1 Inspired partial pressure of oxygen |
| 24 | 5.7.2 Oxygen partial pressure set point maintenance 5.7.3 Alphanumeric display for inspired partial pressure of oxygen (if fitted) 5.7.4 Gas endurance |
| 25 | 5.8 Hose assemblies 5.8.1 Tensile strength of high and medium pressure hose assemblies subjected to external tensile force 5.8.2 Flexibility of high and medium pressure hoses 5.8.3 Leakage of high pressure hose assembly 5.8.4 Leakage of medium pressure hose assembly 5.8.5 Burst pressure of high pressure hose assembly 5.8.6 Burst pressure of medium pressure hose assembly |
| 26 | 5.8.7 Breathing hose 5.9 Safety devices 5.9.1 General 5.9.2 Pressure indicator |
| 27 | 5.9.3 Monitors for inspired gases 5.9.3.1 Monitor for inspired partial pressure of oxygen 5.9.3.2 Monitor for inspired partial pressure of carbon dioxide (if fitted) 5.9.4 Active warning devices |
| 28 | 5.10 Facepiece 5.10.1 General 5.10.2 Facepiece harness (if fitted) |
| 29 | 5.10.3 Connection 5.10.3.1 Half mask, full face mask and helmet 5.10.3.2 Mouthpiece 5.10.4 Eyepiece and visors 5.10.5 Head protection against impact (if fitted) |
| 30 | 5.11 Body harness 5.12 Emergency breathing system 5.13 Electrical systems 5.13.1 Safety of electrical systems 5.13.2 Programmable systems 5.13.3 Electromagnetic compatibility (EMC) 5.13.4 Power source |
| 31 | 5.14 Resistance to temperature 5.14.1 Storage 5.14.2 Pre-dive operation 5.15 Cleaning and disinfecting 5.16 Connectors 5.17 Oxygen compatibility and cleanliness 5.18 Pressure resistance of casings and monitors 5.19 Sea water resistance |
| 32 | 5.20 Practical performance 6 Testing 6.1 General 6.1.1 Introduction 6.1.2 Procedure 6.1.3 Nominal values and tolerances 6.1.4 Test equipment |
| 33 | 6.2 Visual Inspection 6.3 Breathing circuit 6.3.1 General test conditions |
| 34 | 6.3.2 Breathing performance 6.3.3 Volume weighted average inspired carbon dioxide 6.3.4 Inspired gas temperature |
| 35 | 6.3.5 Breathing performance with automatic volume addition system 6.4 Hydrostatic imbalance 6.5 Breathable volume 6.5.1 Volume 6.5.2 Breathing circuit pressure test |
| 36 | 6.5.3 Exhaust valve 6.5.3.1 Maximum pressure within the breathing circuit 6.5.3.2 Leak test 6.5.4 Inhalation and exhalation valves 6.5.5 Ingress of water 6.6 Apparatus endurance 6.6.1 General |
| 37 | 6.6.2 Carbon dioxide absorption endurance 6.6.3 Gas endurance 6.7 Inspired partial pressure of oxygen |
| 38 | 6.8 Hoses assemblies 6.8.1 General 6.8.2 Tensile strength of high and medium pressure hose assemblies subjected to external tensile force 6.8.3 Flexibility of high and medium pressure hoses 6.8.4 Leakage of high pressure hose assembly 6.8.5 Leakage of medium pressure hose assembly 6.8.6 Burst pressure of high pressure hose assembly 6.8.7 Burst pressure of medium pressure hose assembly |
| 39 | 6.8.8 Tensile load of breathing hose connections 6.9 Test pressure of high and medium pressure parts 6.10 Safety devices 6.10.1 Pressure devices 6.10.1.1 Pressure indicator connector 6.10.1.2 Pressure relief facility 6.10.1.3 Water leak test 6.10.2 Monitor for inspired partial pressure of oxygen |
| 40 | 6.10.3 Monitor for inspired partial pressure of carbon dioxide 6.10.4 Active warning devices 6.10.4.1 Inspired partial pressure of oxygen 6.10.4.2 Inspired partial pressure of carbon dioxide 6.10.5 Pressure relief system(s) 6.11 Facepiece 6.11.1 Mechanical strength of the facepiece (excluding mouthpiece) |
| 41 | 6.11.2 Field of vision |
| 44 | 6.11.3 Impact resistance of the eyepiece(s) or visor(s) 6.11.4 Facepiece harness 6.11.4.1 General 6.11.4.2 Facepiece (excluding mouthpiece) 6.11.4.3 Facepiece (is a mouthpiece) 6.11.5 Mouthpiece 6.12 Electrical systems, Electromagnetic compatibility (EMC) 6.13 Resistance to temperature 6.13.1 General 6.13.2 Testing after storage |
| 45 | 6.13.3 Testing in pre-dive operation 6.14 Cleaning and disinfection 6.15 Oxygen pressure surge test |
| 47 | 6.16 Casings and monitors 6.17 Sea water resistance |
| 48 | 6.18 Practical performance 6.18.1 General 6.18.2 Test subjects 6.18.3 Basic testing 6.18.4 Functional testing when diving |
| 49 | 6.18.5 Pass/fail criteria 6.18.6 Report 7 Marking |
| 50 | 8 Information supplied by manufacturer |
| 52 | Annex A (informative) Requirement clauses and corresponding test clauses of this European Standard |
| 54 | Annex B (normative) Safety-critical software B.1 General B.2 Requirements |
| 57 | Annex C (informative) Artificial sea water |
| 58 | Annex D (informative) Details of significant technical changes between this European Standard and the previous edition |
| 59 | Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 89/686/EEC on Personal Protective Equipment |
| 60 | Bibliography |
