UNI EN ISO 21922:2022
Current
Current
The latest, up-to-date edition.
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking
Published date
17-03-2022
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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