I.S. EN ISO 28921-1:2022
Current
The latest, up-to-date edition.
Industrial valves - Isolating valves for low-temperature applications - Part 1: Design, manufacturing and production testing (ISO 28921-1:2022)
Hardcopy , PDF
English
07-06-2022
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.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Testing
6 Sampling
7 Marking, labelling and packaging
Annex A (normative) Test procedure for production testing of valves at low temperature
Annex B (informative) Low-temperature test record
Bibliography
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