The service life of PVC spiral wound lining is generally 50 years, which is suitable for repairing sewage pipes and sewage pipe corridors, and can repair round, square, oval and other abnormities. In recent years, more than ten specifications of lining have been developed, which can be suitable for different repair projects in more than ten countries. The main diameter is DN600mm -- DN2600mm.
Operation of trenchless spiral wound pipe lining The trenchless PVC spiral wound lining process is a lining repair material made of more than ten kinds of raw materials such as PVC. By extruding into the shape of strip, the steel lining is embedded into the mechanical spiral winding machine, so that the clips between the lining and the inner lining are stuck with each other, and the spiral winding is in the inner wall of the pipeline to be repaired, consistent with the shape of the pipeline. The original pipeline shall be repaired to replace the original pipeline lining. After that, the PVC spiral wound pipe lining is integrated with the repair pipeline to repair the damaged pipeline.
Complaint
