Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 8: Polymeric O-Ring gaskets for grooved flanges; German version EN 1514-8:2004— 8 стр.
Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 8: Polymeric O-Ring gaskets for grooved flanges; German version EN 1514-8:2004— 8 стр.
Ductile iron pipes, fittings, accessories and their joints for sewerage application - Requirements and test methods; German version EN 598:1994— 24 стр.