... . DUCTILE IRON PIPES:Mechanical (K-type) jointSIZE RANGE: From DN100mm to DN2600mm STANDARDS FOLLOW:ISO2531, ISO4179, ISO8179, ISO4633, ISO7186, EN545, EN598, BS4772 and other ... cement, Blast Furnace cement, Sulphate Resisting Cement, High Alumina cement according to characteristics of conveyed waterØ Cement mortar with seal-coat;Ø Polyurethane;Ø Polyethylene;Ø Epoxy;Ø Bitumen Paint;EXTERAL COATING ...