Home Page DUCTILE IRON GRATINGS AC 03 AC 03 EXPLANATION HINGED 120° OPENİNG DOUBLE JOINT RUBBER BASED BLACK BİTUM PAINTING CODE TYPE STRENGHT CLASS DIMENSIONS A B C D CANAL H1-H2 KG 3 B102 Ağır-Heavy 400kN D400 535 440 698 470 494 59-102 71