Cast iron pipe, also called as hubless pipe. We can supply the pipes conform with the standards of EN877, ASTM A888, ISO6594, CSA B70, CJ/T177. Hubless/socketless Cast Iron Soil/drainage Pipes has long been employed by the building industry as a reliable drainage system, widely used in sanitary Drain, Waste, and Vent, sewer drainage applications. Compared with plastic(PVC) pipes, cast iron pipe is more durable. Further more, cast iron pipe has excellent noise suppression and fire resistant characteristics, and can be completely recycled, it has become architects' first choice for drainage that be used widely in  the buildings.