SPR™ is a spiral wound trenchless pipeline renewal process designed for the rehabilitation of large diameter pipelines up to 5500 mm. SPR™ utilizes steel reinforced interlocking PVC Profile strips grouted in place with a high strength grout. The Installation equipment can be utilized via standard access points without site excavation. The Japanese SPR™ technology can also be installed in vertical applications such as wet wells, access shafts and other large diameter structures. Circular, non-circular, and even custom shapes can be rehabilitated.
Benefits
- Large diameter 800mm – 5500mm
- Circular or custom shapes
- Installation in live flow
- Follows curves & bends
- Improve flow
- Environmentally friendly
