DS DS/EN ISO 15245-1
DS DSEN SO 15245-1 2002-JAN-23 Gas cylnders - Parallel threads for connecton of valves to gas cylnders - Part 1 Specfcaton
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This standard specifies definitions, dimensions and tolereances of parallel screw threads of nominal diameter 30 mm (designated 30P), 25 mm (designated 25P) and 18 mm (designated 18P), for the connection of valves to medical and industrial gas cylinders.