Designation of a loose flat flange (type 02) with a type A sealing surface, nominal size DN 400, made of P245GH material:

Flange EN 1092-1 / 02 / A / DN 400 / PN 6 / P245GH: 

Designation of a flat ring for welding (type 32) with a nominal size of DN 400, made of P245GH material: 

Ring EN 1092-1 / 32  / DN 400 / PN 6 / P245GH: