Trenchless Spiral Winding Repair Machinery

Multifunctional Spiral Wound Pipeline Repair Equipment2

Spiral Wound pipe rehabilitation machinery

Trenchless Spiral Winding Repair Machinery

This method involves transporting prefabricated profiled strips prepared in the factory to the construction site. Using a winding machine assembled downhole, the strips are spirally wound around the original damaged pipe (serving as the host pipe) to form a new inner pipe, thereby achieving repair of the damaged pipeline without excavation.

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Product Details

The main equipment includes: a hydraulic station, a main power unit, and a winding cage.

How It Works

Construction process：

1. Pre-construction Inspection and Cleaning: Conduct CCTV (Closed-Circuit Television) inspection on the pipe to be repaired, followed by manual cleaning to remove sediment and debris.

2. Underground Pipe Winding:

Assemble the winding machine in an underground access point (e.g., inspection chamber). Feed the processed profiled strips and stainless steel profiles into the winding machine, starting from one end of the host pipe. As the winding progresses, a new inner pipe is gradually formed along the inner wall of the host pipe until the other end is reached.

3. Grouting: Fill the annular gap between the inner liner pipe and the host pipe with high-strength grout to further enhance the load-bearing capacity and structural integrity of the inner pipe.