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GEROfit® REXBarrier Pipe. Permeation-tight pipe system.

GEROfit® REX prevents the permeation of pollutants through the pipe wall. It thus permanently protects the drinking water to be transported. It is suitable for installation in contaminated soils and offers permanent protection against the risk of contamination. Predestined for installation in flooded areas.

TECHNICAL SPECIFICATIONS

  • SDR
    7,4 | 11 | 17 | more on request
  • Dimension
    32 - 630 mm
  • Usage
    Drinking water
  • Pipe structure
    Medium pipe according to DIN and EN standards | PE 100-RC medium pipe | dimensionally added protective jacket made of a modified polyolefin compound | Bi-axially oriented polymer matrix film with embedded metallic diffusion barrier
  • Marking
    Medium pipe in black (if necessary with 4 longitudinal blue stripes distributed around the circumference) | Medium pipe with complete metre marking according to DVGW | Protective jacket in blue with four longitudinal green stripes distributed around the circumference | Protective jacket with complete metre marking according to DVGW
  • Application/­intended use
    Drinking water pipe for underground installation in accordance with standards and DVGW approval | Installation in open trenches with and without sand bedding possible | Trenchless new installation and rehabilitation | Installation in contaminated soils in accordance with KIWA BRL K17101
  • Special feature(s)
    Permeation-tight | GEROfit® REX for installation in contaminated soils | Permanent external monitoring of the PE 100-RC materials and the pipe | Gerodur drinking water pipes with additional regular organoleptic testing - Qplus label
  • Material
    Medium pipe PE 100-RC | protective jacket modified polyolefin compound | bi-axially oriented polymer matrix film with embedded metallic barrier layer
  • Standards
    DIN EN 12201 | DIN 8074/­8075 | PAS 1075 | DVGW GW 335 – A2 | KIWA BRL K17101
  • Certification
    KIWA | DVGW | DIN CERTCO /­ TÜV Rheinland | international on request | ISCC Plus certification on request
  • Delivery forms
    straight length | coil | drum

This product is also available with ISCC Plus sustainability certification on request. We have summarised all the information for you here -> ISCC Plus

System components

  • Gerodur GEROfit® REX fittings

    Fitting parts


    Professionally prefabricated fittings such as bends, T-pieces, stub ends and reducers with intelligent metallic diffusion barrier.
    GEROfit® REX fitting parts
  • Gerodur GEROfit® REX, permeation-tight tapping valve without additional auxiliary tools especially for use in contaminated soils

    Tapping valve


    New: Permeation-tight tapping valve with side outlet and integrated stainless steel tapping cutter.
    GEROfit® REX tapping valve
  • Gerodur GEROfit® REX VLUX adapter for a pressure class-compliant, pull-out-proof and stable connection between tapping valve and pipe

    REX VLUX® Adapter


    Exceptionally easy to install: VLUX® adapter for GEROfit® REX tapping valve for a permanent, permeation-tight outlet combination.
    GEROfit® REX VLUX Adapter
  • Gerodur REX Tape®, self-adhesive permeation barrier tape for the professional addition of the diffusion barrier at joints of GEROfit® REX pressure pipes.

    REX-Tape


    Tested REX aluminium tape for the subsequent permeation-tight reprotection of welded joints and exposed pipe surfaces.
    REX-Tape
  • Gerodur GEROfit® sealing tape, for a watertight secondary coating of the stripped weld seam area of GEROfit® REX and GEROfit® NEXUS pressure pipes.

    Sealing tape


    Highly tear-resistant GEROfit® sealing tape for a watertight reprotection of welded joints and exposed pipe surfaces.
    Sealing tape
  • Gerodur GEROfit® blue fabric tape, for mechanical protection of the stripped weld seam area of GEROfit® REX and GEROfit® NEXUS pressure pipe systems.

    Fabric tape


    Scratch-resistant fabric tape for reprotection of the welding area. Easy handling thanks to subsequent curing. High flexibility when the pipe is bent.
    Fabric tape

Accessories

Peeler Set

The power pack for protective jacket pipes according to PAS 1075 type 3. For quick and easy removal of the protective jacket.
More information
Gerodur GEROtool® Pocket Peeler, for peeling protective jacket pipe

Rerounding clamps

The tackler for maximum rounding force when welding with electrofusion sockets.
More information
Gerodur Rerounding clamps - The clamp against ovalities

References

  • > more
    GEROfit® REX sewage pipe INEOS Phenol
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    GEROfit® Rex - Barrier pipe for undercrossing the river on the "Mainspitze"
  • > more
    GEROfit® REX tapping valve for permeation-tight house connections
  • > more
    Clean potable water supply for new residential quarter in Helsinki
  • > more
    Permeation-tight pipe systems for the Audi IN Campus
  • > more
    Dynamic inner city - GEROfit® REX - Rehabilitation of the Potable Water Network in Innsbruck's Old Town
  • > more
    GEROfit® REX potable water supply Varberg (Schweden)
  • > more
    GEROfit® REX and RCprotect® - Potable water pipe line "Kirschallee"-road Langburkersdorf
  • > more
    GEROfit® REX - New water pipeline for the "Autostadt" in Wolfsburg
  • > more
    GEROfit® REX - Permeation-tight potable water pipe Porvoo (Finland)
  • > more
    GEROfit® REX Drinking water protection - Spycker /­ Glowe (Rügen)
  • > more
    GEROfit® REX for Chemnitz
  • > more
    GEROtec FIRE-MAIN fire-fighting water pipes for the naval base "Heppenser Groden"
 
Show all

Processing instructions

Suitable installation

  • Gerodur laying in sand bed Computer graphics

    Sand bedding


    When laying in a sand bed, the excavated material must be replaced with a sand bedding in accordance with DIN EN 805. Restrictions on the grain sizes of the bedding material must be observed.
  • Gerodur laying without sand bed Computer graphics

    Without sand bedding


    Due to the verification by an independent testing institute, the installation is possible without a sand bed. This eliminates the additional expense of replacing the excavation with a sand bedding in accordance with DIN EN 805 (transport, landfill).
  • Gerodur ploughing method Computer graphics

    Ploughing


    In the ploughing method, the soil is displaced by a plough blade and the pipeline is placed on the bottom of the soil.
  • Gerodur milling process Computer graphics

    Milling


    In the milling process, a pipe trench is cut into the subsoil by machine and the pipeline is laid on the bottom of the trench.
  • Gerodur pipe bursting computer graphics

    Pipe bursting


    Static pipe bursting is the renewal of the old pipeline along the same of the old pipe route, which is shattered by the bursting head and the remaining fragments are pressed into the surrounding soil.
  • Gerodur Horizontal Directional Drilling (HDD) computer graphics

    Horizontal Directional Drilling (HDD)


    The new installation by HDD is usually carried out in three successive work steps. With the continuous pilot borehole, which is controlled by positioning the route is determined. This is followed by the widening of the borehole and the pulling in of the pipe string.
  • Gerodur relining installation computer graphics

    Relining


    In the case of relining with annular space, the new pipe string with a smaller cross-section is pulled into the cleaned old pipeline using a pull-in device.
  • Gerodur soil displacement method computer graphics

    Soil Displacement Method


    In the soil displacement method, a pneumatically operated displacement hammer, a so-called "rocket", is used to excavate an underground cavity. The new pipeline is then pulled into it.

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Want to find out more?
We look forward to hearing from you.
Gerodur MPM Kunststoffverarbeitung GmbH & Co. KG
01844 Neustadt i. Sa.
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