I.S. EN ISO 23251:2020
Current
The latest, up-to-date edition.
Petroleum, petrochemical and natural gas industries - Pressure-relieving and depressuring systems (ISO 23251:2019)
Hardcopy , PDF
English
21-09-2020
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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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Supplements to API Std 521, 6th edition (2014)
Bibliography
This document is applicable to pressure-relieving and vapour depressuring systems. Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities, gas plants, Liquefied Natural Gas (LNG) facilities and oil and gas production facilities.
| Committee |
TC 67
|
| DocumentType |
Standard
|
| Pages |
22
|
| 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
|
| Supersedes |
| Standards | Relationship |
| ISO 23251:2019 | Identical |
| EN ISO 23251:2020 | Identical |
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