Ductile Iron / Cast Iron Pipes from 80 mm upto 2000 mm dia for potable water & sewage, horizontally cast, vertical cast as well as centrifugally spun cast with screwed on welded flanges.
Our centrifugally cast Ductile Iron Spun Pressure Pipes have been classified in this standard as K7, K8, K9 and K10 according to their thickness.
K7 pipes have minimum wall thickness where K10 has maximum. The Ductile Iron Spun Pipes having screwed on flanges are sealed at the threaded joints between the pipes and flange by a suitable sealing compound. The flanges are never removed after screwing on the barrels of the pipes.