Winding technologies for rehabilitation of gravity pipelines for diameter dn 150 mm - 5500 mm. Sekisui spiral wound technologies are used all over the world for a time and cost efficient rehabilitation of pipes. These technologies are used for gravity pipelines based on the principle of winding a continuous, factory manufactured, plastic strip into a liner.

The benefits at a glance:

• Rehabilitation of circular, non-circular and custom shapes
• Designed for installation in live flow conditions
• Rehabilitation of curves and bends (>5D)
• Environmental-friendly installation and application
• Factory production of the installation materials
• The economic method on a short and long-term basis
• Over 4.700 km successfully installed worldwide SPR