2018DIN EN 1092-1:2018 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German version EN 1092-1:2018
2013DIN EN 1092-1:2013 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; German version EN 1092-1:2007+A1:2013
2008DIN EN 1092-1:2008 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; English version of DIN EN 1092-1:2008-09
2007DIN EN 1092-1:2007 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges; English version of DIN EN 1092-1:2007-11