... Cast iron pipe: 1.DN80-1600mm 2.Tyton type joint 3.Cement mortar lining,Zinc coat,bitumen layer 4.Pull strength: >420MPa Cast iron ... Industry Co., Ltd. is manufacturer which produce water-cooled centrifugal ductile cast iron pipes according to ISO2531 / BS EN545 / BS EN598 ... for easy connection.(7) High strength,lighter than gray iron,good corrosion resistance,small flow resistance,easy fixing,long ...