Pipe Rehabilitation with Spirally Wound Technologies

Spirally wound technologies manufacture the liner at the job site by spirally winding a PVC or polyethylene (HDPE) continuous plastic strip of various profiles directly into the deteriorated pipe forming a continuous watertight liner by a special winding machine. The plastic profile that forms the liner is provided in various sizes and thicknesses and some even have steel reinforcement. The edges of the profiles are interlocked by the machine as it is producing the liner inside the deteriorated pipe or welded together depending on the material of the profile. Some of the technologies are close-fit and some require grouting. As a result we get a fully structural, strong and lightweight liner with the least possible excavation or no excavation work at all. These technologies are recommended to rehabilitate gravity pipe lines with circular, egg or custom shapes from 150mm to 5500mm diameter sizes.

 

SPR EX (Expanda)

System gravity
Transported Medium sewage, industrial waste water, rainwater
Host Pipe material concrete, clay, brick, azbestos cement, KG PVC, cast iron
Diameter 150-1050
Shape circular
Fabrication liner is produced in the host pipe by winding the plastic profile manufactured from pipe grade PVC
Comment strong and lightwieght structural liner, close-fit with host pipe

 

SPR RO (Rotaloc)

System gravity
Transported Medium sewage, industrial waste water, rainwater
Host Pipe material concrete, clay, brick, azbestos cement, KG PVC, cast iron
Diameter 800-1800
Shape circular
Fabrication liner is produced in the host pipe by winding the plastic profile manufactured from pipe grade PVC with a machine that interlocks the edges of the profile
Comment strong and lightwieght structural liner, close-fit with host pipe

 

SPR PE (Ribline)

System gravity
Transported Medium sewage, industrial waste water, rainwater
Host Pipe material concrete, clay, brick, azbestos cement, KG PVC, cast iron
Diameter 900-3000
Shape circular
Fabrication liner is produced in the host pipe by winding the profile manufactured from pipe grade high density polyethylene (HDPE) with embedded steel reinforcement with a machine that welds together the edges of the profile
Comment strong and lightwieght structural liner, close-fit with host pipe

 

 

SPR

System gravity
Transported Medium sewage, industrial waste water, rainwater
Host Pipe material concrete, clay, brick, azbestos cement, KG PVC, cast iron
Diameter (mm, circular) 800-5500*
Dimensions (mm, egg) from 1000/1500
Shape circular, egg, rectangular, custom**
Fabrication liner is produced in the host pipe by interlocking the PVC profile strips that have steel reinforcement
Comment the technology requires grouting

*for larger pipe diameter, please contact us

**for custom pipe shapes, please contact us