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

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  • Climate change Standards and specifications support climate targets

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

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Publications of CEN/TC 74/WG 9

DIN EN 1515-1 2000-01 Standards Flanges and their joints - Bolting - Part 1: Selection of bolting; German version EN 1515-1:1999 More  Order from DIN Media
DIN EN 1515-2 2002-03 Standards Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated; German version EN 1515-2:2001 More  Order from DIN Media
DIN EN 1515-3 2005-12 Standards Flanges and their joints - Bolting - Part 3: Classification of bolt materials for steel flanges, Class designated; German version EN 1515-3:2005 More  Order from DIN Media
DIN EN 1515-4 2022-12 Standards Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 2014/68/EU; German version EN 1515-4:2021 + AC:2022 More  Order from DIN Media

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