DIN 11864-2
DIN 11864-2 Stainless steel fittings for the aseptic, chemical and pharmaceutical industries - Part 2: Aseptic flanged pipe connection, standard type
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2008
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2008