ÖNORM EN ISO 21922:2022 05 15
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
Published date
15-05-2022
This International standard specifies safety requirements, certain functional requirements, and marking of valves and other components with similar bodies, hereinafter called valves, for use in refrigerating systems including heat pumps.
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