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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 E29-680
Gas cylinders - Taper screw thread for valve stem and cylinder neck assembly - Nominal diameter 25,8, taper 3/26 (6o 38'), 14 Tpi SI

Title (German)

Gasflaschen - Gewinde für Einschraubstutzen und Flaschenhals - Nennmass 25,8, Kegel 3/26, 14 Gang auf 1'', SI

Edition 2015-03-18

Original language 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

NF E29-680 Gas cylinders - Taper screw thread for valve stem and cylinder neck assembly - Nominal diameter 25,8, taper 3/26 (6o 38'), 14 Tpi SI

Want to learn more?

NF E29-680
Gas cylinders - Taper screw thread for valve stem and cylinder neck assembly - Nominal diameter 25,8, taper 3/26 (6o 38'), 14 Tpi SI