SPR™ Spiral Wound Lining

800 mm – 5500 mm Pipe Lining

Round & Non-Round Shapes

100% Trenchless

Large Diameter Trenchless Pipe Renewal

SPR™ spiral‐wound pipe method offers tailor‐made solutions for the rehabilitation of gravity pipes in the nominal diameters DN800 to DN5500 and can be used for any host pipe cross sections and conditions. SPR™ is designed for installation in live flow conditions.

SPR™ Trenchless Lining Process

SPR™ Lining Process

SPR™ utilizes steel reinforced interlocking PVC Profile strips, which are formed into a liner using a winding machine. The annulus between liner and host pipe will be grouted with a high performance grout, resulting in a high‐quality concrete pipe with an inner and highly resistant lining.

Various profile types are available to meet a wide range of rehabilitation requirements. They can also be used to rehabilitate bends up to 5D.

SPR™ Spiral Wound Liner

800 mm - 5550+ mm

Round & Non-Round

100% Trenchless

Large Diameter Pipe Renewal

SPR™ spiral‐wound pipe method offers tailor‐made solutions for the rehabilitation of gravity pipes in the nominal diameters DN800 to DN5500 and can be used for any host pipe cross sections and conditions. SPR™ is designed for installation in live flow conditions.

SPR™ utilizes steel reinforced interlocking PVC Profile strips, which are formed into a liner using a winding machine. The annulus between liner and host pipe will be grouted with a high performance grout, resulting in a high‐quality concrete pipe with an inner and highly resistant lining.

Various profile types are available to meet a wide range of rehabilitation requirements. They can also be used to rehabilitate bends up to 5D.

Trenchless Lining Methods

Spiral Wound installation methods based upon your application.

150 mm - 1050 mm

Structural Close Fit Liner

900 mm - 3000 mm

Reinforced HDPE Liner

800 mm - 5500 mm

Large Diameter Liner

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