NEN EN 1835 : 1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
01-05-2005
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Description
5 Classification
6 Designation
7 Requirements
7.1 Materials
7.2 Resistance to temperature
7.3 Flammability
7.4 Cleaning and disinfecting
7.5 Body harness or belt
7.6 Connectors
7.7 Breathing hose
7.8 Continuous flow valve
7.9 Checking and warning facilities
7.10 Compressed air supply tube
7.11 Helmets and hoods
7.12 Adjustable parts
7.13 Noise level inside helmet or hood
7.14 Carbon dioxide content of the inhalation air
7.15 Breathing resistance
7.16 Leaktightness
7.17 Inward leakage
7.18 Practical performance
8 Testing
8.1 General
8.2 Visual inspection
8.3 Resistance to temperature
8.4 Flammability
8.5 Mechanical resistance of eyepiece(s) or visor(s)
8.6 Strength of attachment of exhalation valve
8.7 Breathing resistance
8.8 Inward leakage
8.9 Strength of connections to helmet/hood and waist
belt or body harness
8.10 Effective mass supported by the facepiece
8.11 Strength of compressed air supply tube, couplings
and continuous flow valve
8.12 Resistance to kinking of the compressed air
supply tube
8.13 Resistance to collapse of compressed air supply
tube
8.14 Leaktightness
8.15 Heat resistance of compressed air supply tube
8.16 Resistance to collapse of breathing hose
8.17 Air supply flow rate
8.18 Checking and warning facilities
8.19 Carbon dioxide content of the inhalation air
8.20 Noise level inside helmet or hood
8.21 Air porosity
8.22 Practical performance
9 Marking
10 Information to be supplied by the manufacturer
Annex A (normative) Fitting procedure for hoods which seal
around the neck and which may or may not
incorporate a head harness
Annex B (informative) Marking of components
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or
other provisions of EU Directives
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