BSI 19/30398485 DC:2019 Edition
$13.70
BS 8468-2. Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents – Part 2. Negative pressure, air purifying devices with full face mask. Specification
Published By | Publication Date | Number of Pages |
BSI | 2019 | 21 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | 30398485.pdf |
3 | 30398485_Text.pdf |
7 | 1 Scope 2 Normative references 3 Terms and definitions 3.1 chemical agent |
8 | 3.2 biological agent 3.3 radiological agent 3.4 nuclear agent 3.5 negative pressure, air purifying device (APD) 4 Designation 4.1 Type 4.2 Classification 5 Requirements 5.1 General |
9 | 5.1 General 5.2 Temperature conditioning of filters 5.3 Preconditioning 5.4 Visual inspection 5.5 Inward leakage |
10 | 5.5 Inward leakage 5.6 Chemical agent permeation and penetration 5.7 Breathing resistance 5.8 Flammability 5.9 Filters |
11 | 5.9 Filters 5.9.1 Design 5.9.2 Materials 5.9.3 Mass 5.9.4 Connection 5.9.4.1 Direct filters 5.9.4.1.1 General 5.9.4.1.2 Strength of connections 5.9.4.2 Non-direct filters |
12 | 5.9.4.2 Non-direct filters 5.9.4.2.1 General 5.9.4.2.2 Strength of connections 5.9.4.2.3 Collapse of breathing hose under a compression load 5.9.5 Multiple filters |
13 | 5.9.6 Packaging 5.9.7 Mechanical strength (MS) 5.10 Filters – Gas/vapour element 5.10.1 General 5.10.2 CBRN test agents – Challenges and breakthrough concentrations |
14 | 5.10.3 Test conditions 5.10.3.1 Gas capacity tests 5.10.3.2 High-flow integrity test 5.11 Filters – Particulate element 5.11.1 Filter penetration 6 Testing |
15 | 6 Testing 6.1 General 6.2 Nominal values and tolerances 6.3 Gas capacity method 6.4 Strength of connections of breathing hose and couplings to filter or filter plenum 6.4.1 General |
17 | 6.4.2 Strength of filter hose/full face mask connection 6.4.3 Leaktightness 6.5 Resistance to collapse of breathing hose |
18 | 6.5 Resistance to collapse of breathing hose 6.5.1 Apparatus 6.5.2 Procedure 7 Marking |
19 | 7 Marking 7.1 General 7.2 System 7.3 Full face mask 7.4 Filters |
20 | 7.5 Filter package 7.6 Breathing hose(s) and couplings, belts and harness 8 Information supplied by the manufacturer |