Object of the Procurement

• What is being procured: Supply of pre-insulated pipes and other materials for the reconstruction of a district heating pipeline.
• Main technical requirements, characteristics:
  • Materials must comply with standards (e.g., straight pipes EVS-EN 253, fittings EVS-EN 448, joints EVS-EN 489, valves EVS-EN 488:2009).
  • Operating temperature $T(\text{max}) = 120 \text{ °C}$, working pressure $P(\text{max}) = 16 \text{ bar}$.
  • Insulation: polyurethane foam, $\lambda(\text{max}) = 0.027 \text{ w/m °C}$…
     
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