I.S. EN 12567:2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
06-03-2017
English
01-01-2000
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Tests and design requirements
4.1 Tests
4.2 Consideration of thermal conditions in steady
state
4.3 Consideration of thermal conditions in
transient state
4.4 Protection against thermal expansion of LNG
4.5 Cryogenic neck extension
4.6 Sealing devices for stem or shaft
4.7 Assembly of valve (with the exception of the
connection to the pipework)
4.8 Connections to the pipework
4.9 External protection
4.10 Pressure retaining metal parts
4.11 Electro-chemical effects
5 Functional requirements and tests
5.1 General
5.2 Electrical continuity
5.3 Mechanical strength of the shell
5.4 Endurance
5.5 Fire resistance
5.6 Seat leak tightness
5.7 Operability
5.8 Number of turns
5.9 Attachment of actuator to the valve
5.10 Manually operated valve
5.11 Stems or shafts
5.12 Cryogenic product acceptance
6 Marking
7 Preparation for storage and transportation
8 Information to be provided by the supplier
Annex A (normative) Thermal shock test
Annex B (normative) Endurance tests
Annex C (normative) Range of DN for type tests
Annex D (normative) Range of PN and Class for type tests
Annex E (normative) Low temperature acceptance test
Annex F (normative) Marking for sealing direction
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