Home Page DUCTILE IRON GRATINGS AC 07 AC 07 EXPLANATION DOUBLE-LOCKS DOUBLE JOINT 180° OPENİNG RUBBER BASED BLACK BITUM PAINTING CODE TYPE STRENGHT CLASS DIMENSIONS A B C D CANAL H1-H2 KG 3 B106 Oval 250kN C250 380 574 450 600 260 50-115 55