UNI EN 143 : 2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
RESPIRATORY PROTECTIVE DEVICES - PARTICLE FILTERS - REQUIREMENTS, TESTING, MARKING
29-07-2021
01-01-2007
1 Scope
2 Normative references
3 Definitions
4 Description
5 Classification
6 Designation
7 Requirements
7.1 General
7.2 Nominal values and tolerances
7.3 Visual inspection
7.4 Connection
7.5 Mass
7.6 Multiple filters
7.7 Material
7.8 Packaging
7.9 Mechanical strength (M.S.)
7.10 Temperature conditioning (T.C.)
7.11 Breathing resistance
7.12 Filter penetration
7.13 Clogging
7.13.1 General
7.13.2 Filter penetration
7.13.3 Breathing resistance
8 Testing
8.1 General
8.2 Visual inspection
8.3 Mechanical strength (M.S.)
8.3.1 Test equipment
8.3.2 Test procedure
8.4 Temperature conditioning (T.C.)
8.5 Test flow conditions
8.5.1 General
8.5.2 Multiple filters
8.6 Breathing resistance
8.7 Filter penetration
8.7.1 General
8.7.2 Sodium chloride test
8.7.3 Paraffin oil test
8.8 Clogging
8.8.1 General
8.8.2 Test equipment
8.8.3 Test conditions
8.8.4 Test procedure
9 Marking
9.1 General
9.2 Encapsulated filters
9.3 Unencapsulated filters
9.4 Filter package
10 Information supplied by the manufacturer
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements
or other provisions of EU Directives
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