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PEX-AL-PEX
Pipes

Cross-Linked Polyethylene Composite
Pipes for Pressure, Heating
& Potable Water

Edoburg’s PEX-AL-PEX pipes are five-layer composite piping systems manufactured for pressurised hot and cold water distribution, radiant heating, and underfloor systems. These pipes combine inner and outer layers of cross-linked polyethylene (PEX) with a central aluminium layer that significantly improves shape stability, reduces thermal expansion, and creates an oxygen barrier for corrosion-sensitive systems.

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Designed for high-efficiency plumbing and heating networks, these pipes are manufactured in line with EN ISO 21003(multilayer piping systems) and ISO 15875 (PEX systems), ensuring global compatibility for residential, commercial, and industrial projects.

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Specifications &
Standards

International Specifications

  • Standards:
    – EN ISO 21003 (Multilayer piping systems for water supply inside buildings)
    – ISO 15875 (PEX piping systems for hot and cold water)

  • Structure: PEX / Adhesive / Aluminium / Adhesive / PEX

  • Oxygen Barrier: Yes – aluminium layer prevents oxygen ingress (DIN 4726-compliant)

  • Operating Temperature:
    – Continuous: 70°C
    – Peak: 95°C

  • Pressure Classes: PN10 / PN12.5

  • Size Range: 16mm to 75mm OD (metric)

  • Jointing Options: Press-fit, compression, crimping, or sliding sleeve

  • Coil Lengths: 50m, 100m, 200m standard

  • Colours: Red, Blue, White (UV-stabilised variants available)

  • Marking: Full traceability with EN ISO 21003 and ISO 15875 print

Download full specs and technical details.

Details

Why Choose Edoburg PEX-AL-PEX Pipes

  • Lower Thermal Expansion: Up to 8× lower than plain PEX — ideal for long runs and radiant loops

  • Form Memory: Pipe retains shape after bending — reduced use of clips and elbows

  • Excellent Chemical Resistance: Handles chlorinated water, antifreeze, and glycol-based fluids

  • Non-Corrosive, Hygienic, and Non-Toxic: Approved for potable water

  • Smooth Bore & Silent Flow: Reduces pressure drop and flow noise

  • Laser Welded or Overlap Welded Aluminium Core: Strong, durable, and peel-resistant

Applications

  • Potable water distribution in residential and commercial buildings

  • Radiant floor and wall heating systems

  • Chilled water piping and fan coil loops

  • Domestic hot water recirculation systems

  • Compressed air networks in clean or dry environments

  • Underfloor heating in modular or prefab structures

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