Home Page DUCTILE IRON GRATINGS AC 10 AC 10 EXPLANATION FOUR - LOCKS-DOUBLE - LOCKS FOUR JOINT - DOUBLE JOINT 200° OPENİNG RUBBER BASED BLACK BITUM PAINTING CODE TYPE STRENGHT CLASS DIMENSIONS A B C CANAL H1-H2 KG 3 B109 Ağır-Heavy 400kN D400 450 950 644 418 90 117