Home Page DUCTILE IRON GRATINGS AC 17 AC 17 EXPLANATION THREE - LOCKS SINGLE HINGED 200° OPENİNG EPDM RUBBER GASKET RUBBER BASED BLACK BITUM PAINTING CODE TYPE STRENGHT CLASS DIMENSIONS A B C CANAL H KG 3 B116 Ağır-Heavy 400kN D400 775 775 692 605 89 90