Product superiority: 1----Anti-theft 2----Load-bearing great 3----Corrosion resistant Use: Drainage ductile iron grating are mainly used for drainage of municipal roads and general roads, factory drainage, basement drainage, general building drainage facilities and inspection well facilities. Advantage: The tensile strength and pressure resistance of the ductile iron grating are good. Compared with the resin composite material and the cement material, the elongation rate is much improved, and it has good pressure resistance and is not easily damaged. factory drainage Grating superiority: 1----Anti-theft 2----Load-bearing great 3----Corrosion resistant 4----Opens conveniently 5----Superior safety performance factory drainage Grating Description: Materials: ductile iron (GGG50), grey iron (GG20) Standard: EN124, BSEN124, UNIEN124 Load weight: B125 C250 D400 E600 Specs: according to all client's drawings Packing: ply wooden pallet / case with plastic layer Paint: anti-rust bituminous painting It is widely used in the urban drainage system and road facilities. Type: rounded, square, rectangular, double triangle, double seal We also proide aluminum Floor Drain, cast iron parts factory china, Ductile Iron Bench Leg and soon. Dimension: Code Class Material Clear Opening Over Base Height Weight Grating-04A D400 Ductile Iron 450x450 mm 530x500 mm 100 mm 50 KGS/Set Grating-04B D400 Ductile Iron 600x600 mm 800x800 mm 75 mm 70 KGS/Set