... , T type joint push on DI pipes Ductile iron pipe T type DUCTILE IRON PIPES:SIZE RANGE: From DN80mm to DN1600mm STANDARDS FOLLOW:ISO2531, ... : 5.5 or 5.7 or 6 meters.WALL THICKNESS:K9 is the normative one; we can supply K7, K8, K10 ... can be Portland cement, Blast Furnace cement, Sulphate Resisting Cement, High Alumina cement according to characteristics of conveyed water SizeLining thickness ...