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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Publications of NA 044-00-03 AA

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DIN 3159	1965-05	Standards	Assembling dimensions of flanges for fittings for refrigerating installations up to nominal pressure 25 More	Order from DIN Media
DIN 3160	1974-08	Standards	Through-valves for refrigerant circuits, nominal pressure 25 bar More	Order from DIN Media
DIN 3161	1974-08	Standards	Elbow valves for refrigerant circuits; nominal pressure 25 bar More	Order from DIN Media
DIN 3162	1974-08	Standards	Screwed caps for valves for refrigerant circuits, nominal pressure 25 bar More	Order from DIN Media
DIN 3163	1974-08	Standards	Control through valves for refrigerant circuits, nominal pressure 25 bar More	Order from DIN Media
DIN 3164	1974-08	Standards	Position indicator for valves for refrigerant circuits More	Order from DIN Media
DIN 3866	1990-06	Standards	Refrigeration; threaded stem; 90° flared flanges for solderless compression couplings rated for PN 40 More	Order from DIN Media
DIN 3866 Berichtigung 1	2019-10	Standards	Refrigeration; threaded stem; 90° flared flanges for solderless compression couplings rated for PN 40; Corrigendum 1 More	Order from DIN Media
DIN 8905-1	1983-10	Standards	Tubes for refrigerating systems with hermetic and semi-hermetic compressors; outside diameter up to 54 mm; technical delivery conditions More	Order from DIN Media
DIN 8905-3	1983-10	Standards	Tubes for refrigerating systems with hermetic and semi-hermetic compressors; additional technical delivery conditions for capillary restrictor tubes More	Order from DIN Media

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