DIN EN ISO 21922/A1
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/DAM 1:2023); German and English version EN ISO 21922:2021/prA1:2023
Kälteanlagen und Wärmepumpen - Ventile - Anforderungen, Prüfung und Kennzeichnung - Änderung 1 (ISO 21922:2021/DAM 1:2023); Deutsche und Englische Fassung EN ISO 21922:2021/prA1:2023
Responsible national committee
NA 044-00-01 AA - Safety and environment protection
Responsible european committee
CEN/TC 182 - Refrigerating systems, safety and environmental requirements
Responsible international committee
ISO/TC 86/SC 1 - Safety and environmental requirements for refrigerating systems