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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

ISO 21922
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking

Title (German)

Kälteanlagen und Wärmepumpen - Ventile - Anforderungen, Prüfung und Kennzeichnung

Responsible national committee

NA 044-00-01 AA - Safety and environment protection

Responsible international committee

ISO/TC 86/SC 1 - Safety and environmental requirements for refrigerating systems

Edition 2021-08

Original language English

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

ISO 21922 Refrigerating systems and heat pumps - Valves - Requirements, testing and marking

Responsible national committee

Responsible international committee

Saleh Darwiche

Want to learn more?

ISO 21922
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking