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PPR-AL-PPR
Pipes

Aluminium-Stabilised Composite
PPR Pipes for Dimensional
Stability & Pressure Strength

Edoburg’s PPR-AL-PPR pipes are five-layer composite piping systems that combine the flexibility and chemical resistance of polypropylene (PPR) with the rigidity and dimensional control of an aluminium core. Manufactured in compliance with DIN 8077 / 8078, these multilayer pipes are designed for high-rise plumbing, HVAC systems, and industrial installations where expansion control, pressure endurance, and structural stability are critical.

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The aluminium layer is laser-welded or overlap-bonded between two PPR layers, delivering reduced thermal expansion and increased pressure tolerance — all while retaining full weldability using standard DIN socket fusion techniques.

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Specifications &
Standards

International Specifications

  • Standard: DIN 8077 / 8078

  • Structure: PPR / Adhesive / Aluminium / Adhesive / PPR

  • Operating Temperature: Up to 70°C continuous; 95°C short-term

  • Thermal Expansion Coefficient: < 0.035 mm/m·K (approx. 5× lower than standard PPR)

  • Pressure Ratings: SDR 7.4, SDR 11

  • Size Range: 20mm to 160mm OD

  • Jointing Method: Socket fusion (peeling of outer layers required)

  • Colours: Green / Blue / White (UV-stabilised options available)

Download full specs and technical details.

Details

Why Choose PPR-AL-PPR Pipes

  • Minimised Expansion: Ideal for long vertical risers and suspended piping

  • High Pressure Resistance: Suitable for high-demand HVAC and centralised water systems

  • Barrier Protection: Aluminium layer prevents oxygen diffusion and microbial growth

  • Fully Weldable: Uses standard DIN welding tools after layer stripping

  • Silent Flow: Internal smooth bore ensures noiseless fluid transport

  • International Compatibility: Manufactured to meet the demands of global EPC and government projects

Applications

  • HVAC and hot/cold water lines in towers, hotels, hospitals, and campuses

  • High-rise pressure plumbing systems

  • Chilled water supply and return loops

  • Radiator and underfloor heating in modular housing

  • Industrial buildings requiring thermal and dimensional performance

  • MEP installations in coastal, humid, or seismic zones

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