2021DIN 11864-2:2021 Stainless steel components for aseptic applications in the chemical and the pharmaceutical industries - Part 2: Flange connections
2008DIN 11864-2:2008 Stainless steel fittings for the aseptic, chemical and pharmaceutical industries - Part 2: Aseptic flanged pipe connection, standard type
0000 DIN 11864-2:2006
1998DIN 11864-2:1998 Fittings for the food chemical and pharmaceutical industry - Aseptic connection - Part 2: Aseptic stainless steel flanged pipe connection for welding