BS EN 1626:2008
Current
The latest, up-to-date edition.
Cryogenic vessels. Valves for cryogenic service
Hardcopy , PDF
English
28-02-2009
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Testing
6 Cleanliness
7 Marking
Annex A (informative) - Recommended methods for leak
tightness testing of cryogenic valves
Annex ZA (informative) - Relationship between this
European Standard and the Essential Requirements
of EC Directive 97/23/EC (PED)
Describes the requirements for the design, manufacture and testing of valves for cryogenic service, i.e. for operation with cryogenic fluids below -10 degrees C as well as at ambient conditions to allow for start-up and run-down.
| Committee |
PVE/18
|
| DevelopmentNote |
Supersedes 94/710139 DC. (09/2005) Supersedes 07/30158957 DC. (02/2009)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This European Standard specifies the requirements for the design, manufacture and testing of valves for cryogenic service, i.e. for operation with cryogenic fluids (as defined in EN 1251-1) below - 10 °C as well as at ambient conditions to allow for start-up and run-down. It specifies additional requirements for cryogenic service for the appropriate valve product standard. NOTE a cryogenic fluid (refrigerated liquefied gas) is a gas which is partially liquid because of its low temperature (including totally evaporated liquids and supercritical fluids). It applies to sizes up to DN 150 including vacuum jacketed cryogenic valves. This European Standard is not applicable to safety valves and valves for liquefied natural gas (LNG). It is intended that the valve be designed and tested to satisfy a pressure rating (PN or Class). Valves may then be selected with a PN or Class equal to or greater than the maximum allowable pressure (PS) of the equipment with which it is to be used.
| Standards | Relationship |
| NBN EN 1626 : 2009 | Identical |
| EN 1626:2008 | Identical |
| NF EN 1626 : 2008 | Identical |
| NS EN 1626 : 2ED 2008 | Identical |
| DIN EN 1626:2009-01 | Identical |
| I.S. EN 1626:2008 | Identical |
| NEN EN 1626 : 2008 | Identical |
| UNE-EN 1626:2009 | Identical |
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