Hubless cast iron soil pipes produced by centrifugal technology are mainly used in drainpipe through a flexible linkage.The product has totally get the standards,ASTM A888,CISPI301,and has the following advantages:flat and straight,even pipe wall,high strength and density,high smoothness on the inner and outer surface of the wall,no defects in foundry,easy installation,easy maintain,long life,helpful to environment,fireproof and no noise.

Inside and outside Bituminous paint coating，Mechanical Properties＞145Mpa