Standard
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AS/NZS 17420.1:2022
[Current]Respiratory protective devices — Performance requirements, Part 1: General (ISO 17420-1:2021, MOD)
AS/NZS 17420.1:2022 adopts and modifies ISO 17420 1:2021 which 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.
Published: 23/12/2022
Pages: 13
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
3.1 Terms and definitions
3.2 Abbreviated terms
4 Classification overview
4.1 General
5 General requirements for RPD
5.1 General
5.2 Field of vision
5.3 Resistance to flame – 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)
5.7 Protection class determination
5.7.1 General
5.7.2 Total inward leakage (TIL)
5.8 Validation by practical performance
5.8.1 General
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
5.9 Requirements for elements/components
5.9.1 RI
5.9.1.1 RI Class a
5.9.1.2 Visual clarity
5.9.1.3 Sight defect correction
5.9.1.4 Strength of visor
6 Testing
6.1 General
6.2 Inspection
6.3 Testing of leak tightness of RI class a using negative pressure
Bibliography
Appendix ZZ
ZZ.1 Scope
ZZ.2 Modifications
Cited references in this standard
[Current]
Eye and face protection - Test methods - Part 1: Geometrical optical properties
[Current]
Respiratory protective devices - Performance requirements - Part 4: Requirements for supplied breathable gas RPD
[Current]
Respiratory protective devices - Performance requirements - Part 2: Requirements for filtering RPD
[Current]
Respiratory protective devices - Selection, use and maintenance - Part 3: Fit-testing procedures
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