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BSI 17/30348250 DC:2017 Edition

$13.70

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
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PDF Catalog

PDF Pages PDF Title
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
BSI 17/30348250 DC
$13.70