NEN EN 250 : 2014
Current
The latest, up-to-date edition.
RESPIRATORY EQUIPMENT - OPEN-CIRCUIT SELF-CONTAINED COMPRESSED AIR DIVING APPARATUS - REQUIREMENTS, TESTING AND MARKING
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Description
4.1 General
4.2 Sub-assemblies
5 Requirements
5.1 Design
5.2 Materials
5.3 Air cylinder(s)
5.4 Cylinder valves
5.5 High pressure parts and connections
5.6 Demand regulator
5.7 Hose assemblies
5.8 Safety device
5.9 Facepiece
5.10 Body harness
5.11 Resistance to temperature
5.12 Cleaning and disinfection
5.13 Practical performance test
6 Testing
6.1 General
6.2 Visual inspection
6.3 High and medium pressure parts and connections
6.4 Pressure relief system
6.5 Demand regulator
6.6 Exhalation valve
6.7 Cylinder valve
6.8 Facepiece
6.9 Safety devices
6.10 Resistance to specific temperatures
6.11 Practical performance test
7 Marking
8 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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