Most recent
DIN EN 10241:2000
Steel threaded pipe fittings; English version of DIN EN 10241
The document specifies the requirments for threaded steel fittings, of nominal sizes from DN 6 to DN 150 inclusive, made out of welded or seamless tubes, forgings and rolled bars, for the transportation of liquids and gas.
Deutsches Institut für Normung [din]