The Ductile iron pipes is confim to ISO2531, ISO4179, ISO8179, ISO4633, ISO7186, EN545, EN598, BS4772 Standard. DUCTILE IRON PIPES:Mechanical ( ... Epoxy;Ø Bitumen Paint;EXTERAL COATING:Depending on the external conditions of use, the following coatings can be applied.Ø Metallic ... Metallic Zinc with finishing layer;Ø Polyethylene;Ø Epoxy;PACKING:The pipes of DN≤300mm are bound with steel belts, others ...