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he HENCO 3L PE-RT pipes are made of three layers. They feature a PE-RT inner pipe, an adhesive layer and an EVOH oxygen barrier. Thanks to the oxygen barrier the pipe responds to the requirements specified in DIN 4726 for oxygen diffusion in heating systems. Thus the HENCO 3L PE-RT pipes are perfectly suitable for use in heating installations.

HENCO 3L PE-RT

Outer diameter (mm) 16 17 18 20 25 32
Wall thickness (mm) 2,0 2,0 2,0 2,0 2,3 2,9
Weight (kg/m) 0,096 0,105 0,112 0,126 0,178 0,280
Water volume (l/m) 0,110 0,133 0,154 0,197 0,309 0,497
Coefficient linear expansion (mm/mK) 0,18 0,18 0,18 0,18 0,18 0,18
Application class (ISO 15875) 2-4-5 2-4-5 2-4-5 2-4-5 2-4-5 2-4-5

Max. working temperature (°c) See application class table (DIN EN ISO 15875-1)

Max. working temperature (°c) See application class table (DIN EN ISO 15875-2)

Advantages

  • Extremely  flexible and highly durable
  • Light and easy to install
  • Corrosion free and abrasion resistant
  • Smooth surface for low pressure loss
  • High chemical and mechanical resistance
  • High pressure and temperature resistance
  • Excellent hygienic properties
  • With EVOH barrier for oxygen impermeability according to DIN 4726