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NA 044

DIN Standards Committee Refrigeration Technology

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Standards [Pre-order]

DIN EN ISO 21922
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021 + Amd 1:2024); German version EN ISO 21922:2021 + A1:2024

Title (German)

Kälteanlagen und Wärmepumpen - Ventile - Anforderungen, Prüfung und Kennzeichnung (ISO 21922:2021 + Amd 1:2024); Deutsche Fassung EN ISO 21922:2021 + A1:2024

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  

Edition 2025-09
Original language German
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Table of contents

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Saleh Darwiche

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