egeplast egeLiner®

Factory-folded PE pipes for close-fit-lining

egeLiner® is a polyethylene pipe for limited spaces at the jobsite. It is deformed and folded by means of a special thermomechanical treatment during manufacture. Long lengths, even with larger dimensions, can be wound on to drums due to the reduced cross-section. For the redeformation process, the egeLiner® is warmed up with steam after installation. The memory effect activated in this way causes the PE pipe to regain its original round form. The new pipe now lies as a static independent pipe, close-fit against the old pipe.

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thermomechanical
deformation/folding

Product features

  • Minimum space requirement for the job site
  • Certified by DVGW
  • Little interference in road traffic (traffic can flow almost unobstructed)
  • Lower excavation costs due to pulling the pipe in via excavation pits or existing shafts
  • Statically sustainable piping system
  • Obtains hydraulic capacity by means of very little loss of cross-section and reduction of the wall surface roughness

At a glance

  • Medium: Potable water | gas | wastewater | industrial media
  • Material: PE 100, PE 100-RC (Resistance to crack)
  • SDR: SDR 26 | SDR 21 | SDR 17,6 | SDR 17
  • Dimension: OD 100 – 500 mm
  • Approvals: Following DVGW GW 335-A2; INSTA SBC EN ISO 11298 (Nordic Polymark) | EN ISO 11297 | EN ISO 11298 | EN ISO 11299
  • Forms of delivery: Special drum | Length according to dimension

Installation techniques

  • Close-fit-lining

Details

7/WSD/08 Water Supply Department, Hong Kong
Read more:

Trenchless pipe renewal under Stockholm’s main arterial road
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Brochure egeLiner® here:

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