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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]

NF P43-029 ; NF EN 14455:2005-10-01
Devices to prevent pollution by backlow of potable water - Pressurized air inlet valves DN 15 to DN 50 - Family L, type A and type B

Title (German)

Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch Rückfliessen - Druckbeaufschlagte Rohrbelüfter in Durchflussform DN 15 bis DN 50 - Familie L, Typ A und Typ B

Edition 2005-10-01

Original language French

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Terminology

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

NF P43-029 ; NF EN 14455:2005-10-01 Devices to prevent pollution by backlow of potable water - Pressurized air inlet valves DN 15 to DN 50 - Family L, type A and type B

Want to learn more?

NF P43-029 ; NF EN 14455:2005-10-01
Devices to prevent pollution by backlow of potable water - Pressurized air inlet valves DN 15 to DN 50 - Family L, type A and type B