BSI 17/30348250 DC:2017 Edition
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BS EN 12941. Respiratory protective devices. Powered filtering devices incorporating a loose fitting respiratory interface. Requirements, testing, marking
Published By | Publication Date | Number of Pages |
BSI | 2017 | 50 |
PDF Catalog
PDF Pages | PDF Title |
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4 | Contents Page |
8 | 1 Scope 2 Normative references 3 Terms, definitions, description, abbreviations and symbols 3.1 Terms, definitions and abreviations |
9 | 3.2 Description |
10 | 3.3 Symbols 4 Designation 5 Classification |
11 | 6 Requirements 6.1 General |
12 | 6.2 Nominal values and tolerances 6.3 Ergonomics 6.4 Design 6.5 Materials 6.5.1 General |
13 | 6.5.2 Skin compatibility 6.6 Mechanical stress (optional) 6.7 Resistance to temperature 6.8 Respiratory Interface (RI) 6.8.1 General 6.8.2 Head harness 6.8.3 Visor |
14 | 6.9 Inward leakage 6.10 Breathing resistance 6.11 Air supply |
15 | 6.12 Warning facilities 6.12.1 General 6.12.2 Low energy warning 6.12.3 Low flow warning 6.13 Electrical components 6.14 Breathing hose, if applicable, and couplings 6.14.1 General |
16 | 6.14.2 Strength of coupling to RI 6.15 Filters 6.15.1 Particle filters – Classification and designation 6.15.2 Gas filters 6.15.2.1 Classification and designation |
17 | 6.15.2.2 Types of filters 6.15.2.3 Classes of filters – Types A, B, E, and K |
18 | 6.15.2.4 Combined filters 6.15.3 Filter requirements 6.15.3.1 General 6.15.3.2 Materials 6.15.3.3 Mechanical strength – Filter 6.15.3.4 Protection efficiency/capacity |
19 | 6.15.3.5 Multiple filters |
21 | 6.16 Noise level |
22 | 6.17 Carbon dioxide content of the inhalation air 6.18 Flammability 6.19 Exhalation means, if applicable |
23 | 6.20 Total mass of RPD 6.21 Practical performance |
24 | 7 Testing 7.1 Test schedule |
25 | 7.2 Temperature conditioning 7.2.1 RPD components including filters 7.2.2 Particle filters and gas filters |
26 | 7.3 Inspection 7.4 Inward leakage |
28 | 7.5 Field of vision |
30 | 7.6 Visor robustness |
31 | 7.7 Breathing resistance 7.8 Air supply flow rate 7.8.1 Principle 7.8.2 Test equipment 7.8.3 Preparation of RPD 7.8.4 Fitting the RPD into the apparatus |
34 | 7.8.5 Air flow during initial flow rate 7.8.5.1 RPD tested in accordance with Figure 5 or Figure 6 7.8.5.2 RPD tested in accordance to Figure 7 7.8.6 Air flow during intended duration and low energy warning 7.8.7 Low flow warning |
35 | 7.9 Resistance to collapse of breathing hose 7.9.1 Principle 7.9.2 Apparatus 7.9.3 Procedure 7.10 Strength of hose and couplings and of connection between hood and breathing hose |
36 | 7.11 Mechanical strength 7.11.1 Test equipment 7.11.2 Test procedure |
37 | 7.12 Filter performance testing 7.12.1 General 7.12.2 Particle filter efficiency 7.12.3 Gas capacity 7.12.3.1 General 7.12.3.2 Gas filters type A, B, E and K |
39 | 7.12.3.3 Special filters 7.12.3.4 AX filters 7.12.3.5 SX filters |
40 | 7.13 Carbon dioxide content of the inhalation air 7.13.1 Principle 7.13.2 Test equipment |
41 | 7.13.3 Procedure |
42 | 7.13.4 Report 7.14 Practical performance 7.14.1 Test subjects 7.14.2 Test conditions 7.14.3 Procedure |
43 | 7.14.4 Test report 8 Marking 8.1 General 8.2 RI |
44 | 8.3 Blower-unit and battery casing (if separate from the blower-unit) 8.4 Filters 8.4.1 General |
45 | 8.4.2 Gas and combined filters 8.4.3 Combined filters 8.5 Filter package 8.6 RPD packages |
46 | 9 Information supplied by the manufacturer 9.1 Complete RPD |
47 | 9.2 Filters |
48 | Annex ZA (informative)Relationship between this European Standard and the basic health and safety requirements of EU Directive 89/686/EEC on Personal Protective Equipment aimed to be covered |