Vitrified clay

Vitrified clay

Clay has been used for approximately 5000 years and our suppliers have been producing it since 1935. Since 1987, the vitrified clay pipes and fittings have been manufactured in a new factory, based on a German technology. Our suppliers have British and American consultancy as well as highly qualified workers.

WHY VITRIFIED CLAY PIPES?

  • Easy to assemble and maintain
  • Long lifetime
  • Fire-proof and “green”, recyclable
  • Compression strength 160 N/mm2 for small diameters
  • 160 N/mm2 for large diameters
  • Tensile strength 15 – 40 N/mm2
  • Modulus of elasticity 50000 N/mm2
  • Hardness 7 Mohs
  • Thermal expansion coefficient 5x10-6K-1
  • Working pressure 0,5 bars
  • Chemical resistance pH 0 – 14
  • Admitted washing pressure 120 bars
  • Equivalent roughness EN295 0.02 – 0.05
  • Darmstadt abrasion resistance – 0.25 mm to 100.000 cycles

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