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BS EN 12941:2023

$189.07

Respiratory protective devices. Powered filtering devices incorporating a loose fitting respiratory interface. Requirements, testing, marking

Published By Publication Date Number of Pages
BSI 2023 46
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This document specifies minimum requirements for powered filtering Respiratory Protective Devices (RPD) incorporating a loose fitting respiratory interface (RI). It does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency. Escape RPD and filters for use against CO are not covered by this document. Laboratory and practical performance tests are included for the assessment of compliance with the requirements.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
3 Terms and definitions, description and symbols
3.1 Terms and definitions
10 3.2 Description
11 3.3 Symbols
4 Classification
12 5 Requirements
5.1 General
14 5.2 Values and tolerances
5.3 Ergonomics
5.4 Design
5.5 Materials
5.5.1 General
5.5.2 Skin compatibility
5.6 Mechanical strength (optional)
5.7 Resistance to temperature
15 5.8 Respiratory Interface (RI)
5.8.1 General
5.8.2 Head harness
5.8.3 Visor
5.9 Inward leakage
16 5.10 Breathing resistance
5.11 Air supply
5.12 Warning facilities
5.12.1 General
17 5.12.2 Low energy warning
5.12.3 Low flow warning
5.13 Electrical components
5.14 Breathing hose, if applicable, and couplings
5.14.1 General
18 5.14.2 Strength of coupling to RI
5.15 Filters
5.15.1 Particle filters – Classification and designation
5.15.2 Gas filters
5.15.2.1 Classification and designation
5.15.2.2 Types of filters
19 5.15.2.3 Classes of filters ā€” Types A, B, E, and K
20 5.15.2.4 Combined filters
5.15.3 Filter requirements
5.15.3.1 General
5.15.3.2 Materials
5.15.3.3 Mechanical strength – Filter
5.15.3.4 Protection efficiency/capacity
21 5.15.3.5 Multiple filters
23 5.16 Noise level
24 5.17 Carbon dioxide content of the inhalation air
5.18 Flammability
5.19 Exhalation means, if applicable
25 5.20 Mass of RPD
5.20.1 Total mass
5.20.2 Mass carried by the head
5.21 Practical performance
26 6 Testing
6.1 Test schedule
28 6.2 Conditioning
6.2.1 Mechanical (optional)
6.2.2 Temperature
6.2.2.1 RPD components including filters
6.2.2.2 Filters
6.3 Inspection
29 6.4 Inward leakage
30 6.5 Visor robustness
6.6 Breathing resistance
6.7 Air supply flow rate
6.7.1 Principle
6.7.2 Test equipment
31 6.7.3 Preparation of RPD
6.7.4 Fitting the RPD into the apparatus
33 6.7.5 Determination of air flow
6.7.5.1 RPD tested in accordance with Figure 2 or Figure 3
6.7.5.2 RPD tested in accordance with Figure 4
6.7.6 Air flow during intended duration and low energy warning
6.7.7 Low flow warning
6.8 Resistance to collapse of breathing hose
6.8.1 Principle
6.8.2 Test equipment
34 6.8.3 Procedure
6.9 Strength of hose and couplings
6.10 Mechanical strength
6.10.1 Test equipment
35 6.10.2 Test procedure
6.11 Filter performance testing
6.11.1 General
36 6.11.2 Particle filter efficiency
6.11.3 Gas capacity
6.11.3.1 General
6.11.3.2 Gas filters type A, B, E and K
37 6.11.3.3 Special filters
38 6.11.3.4 Filters Type AX
6.11.3.5 Filters Type SX
6.12 Mass carried by the head
39 7 Marking
7.1 General
7.2 RI
7.3 Blower-unit and battery casing (if separate from the blower-unit)
7.4 Filters
7.4.1 General
40 7.4.2 Gas and combined filters
7.4.3 Combined filters
41 7.5 Filter package
7.6 RPD packages
8 Information supplied by the manufacturer
8.1 Complete RPD
42 8.2 Filters
43 Annex ZA (informative)Relationship between this European Standard and the essential health and safety requirements of Regulation 2016/425/EU [2016 OJ L81] aimed to be covered
BS EN 12941:2023
$189.07