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BS ISO 17420-1:2021

BS ISO 17420-1:2021

$102.76

Respiratory protective devices. Performance requirements – General

Published By Publication Date Number of Pages
BSI 2021 22
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This document specifies general requirements for the performance and testing of respiratory protective devices (RPD) in accordance with their classification and for use in the workplace to protect the wearer from hazardous atmospheres and/or environments.

The requirements are based on human factors and are for complete respiratory systems.

Requirements for marking and information supplied by the RPD manufacturer are also included.

Additional requirements for special application such as fire services, marine, mining, abrasive blasting, welding and escape as well as RN (Radiological, Nuclear), CBRN (Chemical, Biological, Radiological, Nuclear) and CBRN Escape RPD are addressed in ISO 17420-5 to ISO 17420-9.

This document does not apply to respiratory devices for:

  • underwater diving application;

  • military application;

  • use in aircraft and spacecraft;

  • medical life support applications;

  • resuscitators.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
10 3 Terms, definitions and abbreviations
3.1 Terms and definitions
3.2 Abbreviated terms
4 Classification overview
4.1 General
11 5 General requirements for RPD
5.1 General
12 5.2 Field of vision
13 5.3 Resistance to flame ā€“ Single burner dynamic
5.4 Compatibility with additional equipment
5.5 Monitor performance
5.6 Warning and checking device(s)
5.6.1 Performance of warning device(s)
5.6.2 Performance of checking device(s)
14 5.7 Protection class determination
5.7.1 General
5.7.2 Total inward leakage (TIL)
16 5.8 Validation by practical performance
5.8.1 General
17 5.8.2 Donning/doffing
5.8.3 Communication performance – hearing and speech
5.8.4 Eye irritation caused by the RPD
5.8.5 Fogging of visor
5.8.6 Ergonomic requirements
18 5.9 Requirements for elements/components
5.9.1 RI
19 6 Testing
6.1 General
6.2 Inspection
6.3 Testing of leak tightness of RI class a using negative pressure
20 Bibliography

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BS ISO 17420-1:2021
$102.76