PREN 13648-1 : DRAFT 1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
CRYOGENIC VESSELS - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES FOR CRYOGENIC SERVICE
01-05-2002
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions and symbols
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 5
4.2.5 Sublimating cryogens
4.3 Materials
4.3.1 Metallic materials
4.3.2 Corrosion resistance
4.3.3 Oxygen compatibility
4.3.4 Acetylene compatibility
4.3.5 Non-metallic materials
5 Testing
5.1 Production testing
5.2 Sample valve test
5.2.1 Operating and flow characteristics test
5.2.2 Test of the repeatability of leak tightness at
re-seat
5.2.3 Cryogenic tests
6 Determination of the certified derated coefficient of
discharge (K[dr])
7 Cleanliness
8 Marking
9 Sealing
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or other
provisions of EU directives
Specifies the requirements for the design, manufacture and testing of safety valves for cryogenic service, that is, for operation with cryogenic fluids below -10 degree C in addition to operation at ambient temperature.
Committee |
TC 268
|
DocumentType |
Draft
|
PublisherName |
Comite Europeen de Normalisation
|
Status |
Superseded
|
Standards | Relationship |
DIN EN 13648-1:2009-02 | Identical |
99/709737 DC : DRAFT JUNE 1999 | Identical |
07/30158960 DC : 0 | Identical |
EN 13530-1:2002 | Cryogenic vessels - Large transportable vacuum insulated vessels - Part 1: Fundamental requirements |
UNI EN 13458-2 : 2004 | CRYOGENIC VESSELS - STATIC VACUUM INSULATED VESSELS - PART 2: DESIGN, FABRICATION, INSPECTION AND TESTING |
BS EN 13530-1:2002 | Cryogenic vessels. Large transportable vacuum insulated vessels Fundamental requirements |
DIN EN 13530-1:2002-08 | CRYOGENIC VESSELS - LARGE TRANSPORTABLE VACUUM INSULATED VESSELS - PART 1: FUNDAMENTAL REQUIREMENTS |
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