... The Ductile iron pipes is confim to ISO2531, ISO4179, ISO8179, ISO4633, ISO7186, EN545, EN598, BS4772 Standard. DUCTILE IRON PIPES:Mechanical (K ... -type) jointSIZE RANGE: From DN100mm to DN2600mm STANDARDS FOLLOW:ISO2531, ISO4179, ISO8179, ISO4633 ... Zinc with finishing layer;Ø Polyethylene;Ø Epoxy;PACKING:The pipes of DN≤300mm are bound with steel belts, ...