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ductile cast iron pipe standard:EN545, ISO 2531 effective length: 6M wall thickness: K9 size: DN80-DN1000 Detailed Product DescriptionOur Company has advanced producing process, abundant skill, complete inspection equipment, and top-ranking quality. Ductile ironMaterial: Ductile iron(1) The standed: ISO2531-1998, EN545-2002, Class: K8,K9(2) Effective length: 6M bybulk shipment, 5.6M by 20' or 40' container(3) Inner surface cement liningaccording to ISO4179 and outer surface bitumen lining according to ISO8179(4) Zinc casting: at least 130g/m2as per ISO8179(5) DN80-DN1200mm(6) T-type(7) Coating: Inside cement lining or epoxy lining pipes can be provided as per buyer's requests(8) High strength ,lighter than gray iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life time.(9) Checked by automatic inspection equipment.