I.S. EN 405:2002
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RESPIRATORY PROTECTIVE DEVICES - VALVED FILTERING HALF MASKS TO PROTECT AGAINST GASES OR GASES AND PARTICLES - REQUIREMENTS, TESTING, MARKING
Hardcopy , PDF
13-07-2009
English
22-02-2002
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Description
5 Classification
5.1 General
5.2 Types of gas filtering half masks
5.2.1 Valved gas filtering half masks
5.2.2 Valved multi-type gas filtering half masks
5.2.3 Valved combined filtering half masks
5.3 Designs of combined valved filtering half masks
5.4 Classes of valved gas filtering half masks
6 Designation
7 Requirements
7.1 General
7.2 Nominal values and tolerances
7.3 Visual inspection
7.4 Packaging
7.5 Practical performance
7.6 Leakage
7.7 Filter penetration/capacity
7.7.1 Particle filter penetration
7.7.2 Gas filtering capacity
7.8 Finish of parts
7.9 Inhalation and exhalation valves
7.10 Breathing resistance
7.10.1 General
7.10.2 Inhalation resistance
7.10.3 Exhalation resistance
7.11 Clogging
7.11.1 General
7.11.2 Devices with separable particle filters
7.11.3 Devices with integral or separable particle
filters
7.11.4 Exhalation resistance
7.12 Compatibility with skin
7.13 Flammability
7.14 Carbon dioxide content of the inhalation air
7.15 Head harness
7.16 Field of vision
7.17 Demountable parts
8 Testing
8.1 General
8.2 Visual inspection
8.3 Conditioning
8.3.1 General
8.3.2 Donning and doffing
8.3.3 Temperature
8.3.4 Mechanical strength
8.4 Practical performance
8.4.1 General
8.4.2 Walking test
8.4.3 Work simulation test
8.5 Inward Leakage
8.5.1 General
8.5.2 Principle
8.5.3 Apparatus
8.5.4 Conditioning and number of test samples
8.5.5 Test subjects
8.5.6 Preparation of samples
8.5.7 Test procedure
8.5.8 Test using sulfur hexafluroide as test agent
8.5.9 Test using sodium chloride as test agent
8.6 Gas filtering capacity
8.7 Flammability
8.8 Carbon dioxide content of the inhalation air
8.9 Breathing resistance
8.10 Strength of attachment exhalation valve housing
9 Marking
9.1 Packaging
9.2 Valved gas filtering half mask with separable
particle filters
9.2.1 Valved gas filtering half mask
9.2.2 Separable particle filters
9.3 Valved gas filtering half masks with integral filters
10 Information supplied by the manufacturer
Annex A (informative) Marking
Annex ZA (informative) Clauses of this European Standard
addressing requirements or other provisions of
EU Directives
Bibliography
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