SN EN 12434 : 2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
CRYOGENIC VESSELS - CRYOGENIC FLEXIBLE HOSES
18-09-2021
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 Design and construction
4.2 Materials
4.3 Cleanliness
4.4 Mechanical properties
4.4.1 Burst pressure
4.4.2 Pressure cycles
4.4.3 Bending
4.4.4 Resistance to abuse
4.4.5 Low temperature resistance
4.4.6 Leak tightness
4.4.7 Electrical properties
5 Hose sample tests
5.1 General
5.2 Non-destructive tests and inspection
5.2.1 Identification of materials
5.2.2 Dimensional check
5.2.3 Cleanliness check
5.2.4 Pressure test
5.2.5 Leak tests
5.2.6 Crushing test
5.3 Destructive tests
5.3.1 Hydraulic pressure cycling
5.3.2 Rolling bend cycling test
5.3.3 Hydraulic bursting test
5.3.4 Examination of sectional cut
6 Production testing
6.1 Pressure test
6.2 Leak test
7 Marking
8 Cleaning
9 Periodic examination
10 Test certificate
Annex A (normative) Typical hose assembly
Annex B (normative) Rolling bend cycling test for metallic
hose assemblies and hose assemblies
made of materials with a record of
satisfactory use in cryogenic service
Annex C (normative) Rolling bend cycling test for hose
assemblies constructed from materials
or composites not commonly used in
cryogenic service
Annex D (informative) Guidelines for periodic examination
of transfilling hoses
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements
or other provisions of EU directives
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