I.S. EN 17527:2021
Current
The latest, up-to-date edition.
Helium cryostats - Protection against excessive pressure
Hardcopy , PDF
English
10-01-2022
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.
Dates of withdrawal of national standards are available from NSAI.
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Contents
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Process flow-charts
6 Risk assessment
7 Protection concepts
8 Dimensioning of pressure relief devices
9 Pressure relief devices
10 Substance release
11 Operating, maintenance and inspection instructions
Annex A (informative) Thermodynamic characteristics of helium
Annex B (informative) Additional information on risk assessment
Annex C (informative) Protection concepts
Annex D (informative) Dimensioning of pressure relief devices
Annex E (informative) Types of pressure relief devices
Bibliography
This document specifies the minimum requirements for the protection of helium cryostats against excessive pressure rise, including the specific risks associated with cryostats for superconducting magnets and cryostats for superconducting radio-frequency cavities, coldboxes of helium refrigerators and liquefiers as well as helium distribution systems including valve boxes.
| Committee |
CEN/TC 268
|
| DocumentType |
Standard
|
| Pages |
126
|
| ProductNote |
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| EN 17527:2021 | Identical |
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