Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges
Flanges and their joints - Gaskets for Class-designated flanges - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges
Flanges and their joints - Design rules for gasketed circular flange connections - Part 1: Calculation method; German version EN 1591-1:2001+A1:2009+AC:2011— 60 стр.