SN EN ISO 21922:2021
Current
Current
The latest, up-to-date edition.
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021
Available format(s)
Hardcopy
Language(s)
English - French
Published date
01-11-2021
Publisher
This European Standard specifies safety requirements, safety factors, test methods, test pressures used and marking of refrigerating valves and other components with similar bodies, hereinafter called valves, for use in refrigerating systems.
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