NS EN 143 : 2000 AMD 1 2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 - PARTICLE FILTERS - REQUIREMENTS, TESTING, MARKING
03-11-2021
01-12-2013
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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