Industries & applications

Composite pipe for water systems.

Materials matched to water quality, temperature and local requirements.

Application overview

Water & buildings

Water quality, temperature and connections guide the choice of composite pipe for water and hot-water systems. Materials must also meet local requirements.

Material selection

How the materials work

The exposed material is selected for the water quality and temperature. Drinking-water use also requires the appropriate hygiene checks and local approvals.

Application details

At a glance.

Possible applications

  • Building hot-water distribution
  • Water supply networks
  • Plant-room and service pipework
  • Custom civil applications

Operating conditions

  • Water quality and chloride level
  • Temperature changes and interactions between metals
  • Sealing, hygiene and local approvals

Product forms

Composite water pipe and project-specific connections.

Reference sizes

Outside diameter: about 32–325 mm. Wall thickness: about 4–16 mm.

Material options

Base metals include Q235B and 20#. Exposed materials include 304, 316L and T2 copper.

Design considerations

  • Water quality, temperature and pressure
  • Joint compatibility and galvanic-corrosion assessment
  • Drinking-water hygiene, material leaching and local approvals

Contact UNIMETRA

Discuss your application.

Our team can help you explore the materials and pipe options for your project.

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