DIN 28136-14 Agitator vessels - Part 14: Position and sizes of cover nozzles for glass lined steel agitator vessels, position H for vessels form BE with d<(Index)1> = 2400 mm to 3600 mm and position K for vessels form CE with d<(Index)1> = 2400 mm to 3600 mm; inactive for new design

standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1999