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BS EN 12941:2023 – TC:2024 Edition

BS EN 12941:2023 – TC:2024 Edition

$246.62

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

Published By Publication Date Number of Pages
BSI 2024 137
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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
92 undefined
99 1 Scope
2 Normative references
3 Terms and definitions, description and symbols
3.1 Terms and definitions
100 3.2 Description
101 3.3 Symbols
4 Classification
102 5 Requirements
5.1 General
104 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
105 5.8 Respiratory Interface (RI)
5.8.1 General
5.8.2 Head harness
5.8.3 Visor
5.9 Inward leakage
106 5.10 Breathing resistance
5.11 Air supply
5.12 Warning facilities
5.12.1 General
107 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
108 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
109 5.15.2.3 Classes of filters — Types A, B, E, and K
110 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
111 5.15.3.5 Multiple filters
113 5.16 Noise level
114 5.17 Carbon dioxide content of the inhalation air
5.18 Flammability
5.19 Exhalation means, if applicable
115 5.20 Mass of RPD
5.20.1 Total mass
5.20.2 Mass carried by the head
5.21 Practical performance
116 6 Testing
6.1 Test schedule
118 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
119 6.4 Inward leakage
120 6.5 Visor robustness
6.6 Breathing resistance
6.7 Air supply flow rate
6.7.1 Principle
6.7.2 Test equipment
121 6.7.3 Preparation of RPD
6.7.4 Fitting the RPD into the apparatus
123 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
124 6.8.3 Procedure
6.9 Strength of hose and couplings
6.10 Mechanical strength
6.10.1 Test equipment
125 6.10.2 Test procedure
6.11 Filter performance testing
6.11.1 General
126 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
127 6.11.3.3 Special filters
128 6.11.3.4 Filters Type AX
6.11.3.5 Filters Type SX
6.12 Mass carried by the head
129 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
130 7.4.2 Gas and combined filters
7.4.3 Combined filters
131 7.5 Filter package
7.6 RPD packages
8 Information supplied by the manufacturer
8.1 Complete RPD
132 8.2 Filters
133 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

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BS EN 12941:2023 - TC
$246.62