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EN 13648-1:2008
Current
The latest, up-to-date edition.
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Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service
19-11-2008
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 General
4.2 Design
4.2.1 Design temperature
4.2.2 Drainage
4.2.3 Stem guiding
4.2.4 Inserts
4.2.5 Sublimating cryogens
4.3 Materials
4.3.1 General
4.3.2 Metallic materials
4.3.3 Corrosion resistance
4.3.4 Oxygen compatibility
4.3.5 Acetylene compatibility
4.3.6 Non-metallic materials
5 Testing
5.1 Production testing
5.2 Type testing for cryogenic service
5.2.1 General
5.2.2 Seat leakage test
5.2.3 Cryogenic tests
6 Determination of the certified derated coefficient of
discharge (K[dr])
7 Cleanliness
8 Marking
Annex ZA (informative) Relationship between this European
Standard and the Essential Requirements of EC
Directive 97/23/EC (PED)
Bibliography
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