BS EN 1146:1997:2001 Edition
$167.15
Respiratory protective devices for self-rescue. Self-contained open-circuit compressed air breathing apparatus incorporating a hood (compressed air escape apparatus with hood). Requirements, testing, marking
Published By | Publication Date | Number of Pages |
BSI | 2001 | 38 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | BRITISH STANDARD |
2 | Committees responsible for this British�Standard |
3 | Contents |
6 | Foreword Foreword to amendment A2 Foreword to amendment A3 |
7 | Contents |
9 | Introduction 1 Scope 2 Normative references 3 Definition and description 4 Classification 5 Designation |
10 | 6 Requirements 6.1 General 6.2 Design 6.3 Materials 6.4 Cleaning and disinfecting 6.5 Mass |
11 | 6.6 Connections 6.7 Harness 6.8 Handling 6.9 Leaktightness 6.10 Hood |
12 | 6.11 Resistance to temperature |
13 | 6.12 Protection against particulate matter 6.13 High pressure parts 6.14 High and low pressure connections 6.15 Compressed air container 6.16 Compressed air container seal 6.17 Pressure reducer 6.18 Pressure indicator |
14 | 6.19 Hoses 6.20 Mechanical strength 6.21 Performance Table 1 Maximum carbon dioxide content |
15 | 6.22 Practical performance 6.23 Visual inspection 7 Testing 7.1 General 7.2 Visual inspection 7.3 Practical performance |
16 | 7.4 Mechanical strength 7.5 Resistance to temperature |
17 | 7.6 Leaktightness of the ready for use apparatus 7.7 Physiological parameters |
18 | 7.8 Insulation resistance of non-metallic carrying/storage containers 7.9 Low temperature practical performance |
19 | 7.10 Inward leakage |
20 | Table 2 Type of device and test agent to be used in inward leakage test |
22 | Table 3 Experimental plan for exercises b), c) and e) of clause |
23 | 7.11 Air porosity |
24 | 8 Marking 8.1 The manufacturer, supplier or importer shall be identified by name, trademark or other means … 8.2 Type-identifying marking. 8.3 The number of this European Standard. 8.4 Rated working duration. 8.5 The apparatus shall be clearly marked “FOR ESCAPE ONLY”. 8.6 Serial number. 8.7 Year of manufacture/shelf life or equivalent. 8.8 Where the reliable performance of piece parts may be affected by ageing, means of identifying… 8.9 Sub-assemblies and components with considerable bearing on safety shall be marked so that the… 8.10 If contained in a sealed container, marking shall be on the container. 8.11 The marking shall be as clearly visible and as durable as possible. 9 Instructions for use 9.1 On delivery instructions for use shall accompany every apparatus. 9.2 Instructions for use shall be in the official language(s) of the country of destination. 9.3 The instructions for use shall contain all information necessary for trained and qualified pe… 9.4 The instructions shall include that the air supply shall meet the requirements for breathable… 9.5 The instructions shall be precise and comprehensible. If helpful, illustrations, part numbers… |
25 | 9.6 The instructions for use should be complemented by an easy to identify picture (pictogram) on… 9.7 Warning should be given against possible problems likely to be encountered, for example: 9.8 Any other information the manufacturer may wish to provide. Figure 1 Test equipment for testing mechanical strength |
26 | Figure 2 Arrangement for testing flammability Figure 3 Test piece with painted electrodes for insulation resistance testing |
27 | Figure 4 Arrangement for testing carbon dioxide content of the inhalation gas |
28 | Figure 5 Sheffield head for measurement of carbon dioxide in inhalation gas and breathing resistance |
29 | Figure 6a Ball probe used on device with rigid visor Figure 6b Typical arrangement for sampling from device with “soft” plastics hood |
30 | Figure 7a Arrangement for testing inward leakage using sulfur hexafluoride |
31 | Figure 7b Arrangement for testing inward leakage using sodium chloride aerosol |
32 | Figure 8 Test arrangement for assessment of porosity of hood material |
33 | Annex A (normative) Methods of measurement of the insulation resistance of non-metallic carrying/storage … Voltmeter ammeter method Comparative method Figure A.1 Current measurement by micro-ammeter or galvanometer Figure A.2 Current measurement by means of a d.c. amplifier |
34 | Figure A.3a Determination of the ratio of currents when the same voltage is applied successively to the two r… Figure A.3b Method with Wheatstone bridge |
35 | Table 4 Summary of requirements and tests |
36 | Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provis… |