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

PR NF E35-424 ; PR NF EN ISO 14903
Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2016)

Title (German)

Kälteanlagen und Wärmepumpen - Qualifizierung der Dichtheit der Bauteile und Verbindungen

Original language English , French

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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

PR NF E35-424 ; PR NF EN ISO 14903 Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2016)

Want to learn more?

PR NF E35-424 ; PR NF EN ISO 14903
Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO/DIS 14903:2016)