TYHOO'S TIGHT FIT HDPE LINED system can be used to protect new steel pipelines from abrasion and corrosion or for the rehabilitation of existing pipelines. A tight-fitting High Density Polyethylene (HDPE) lined steel pipe has the performance advantages of HDPE with the strength of steel.

During the construction of HDPE lined steel pipes (HDPE Liner / Pull-in Liner), it has strict requirements for the weld surface and flatness of the internal wall of the steel pipe.