As part of the renovation work on the main network from the boiler room to heat the hospital,
INPAL Energie supplied
pre-insulated pipes over a total length of 400 meters. The former district heating network using traditional gutters has been replaced by a buried
pre-insulated network.
Technical characteristics
- Operating conditions:
Hot water: 90 °C – 70 °C - max. 2 bar - Supply: PU130- ND 125 to 150 - in 12 m lengths.
- Main pipe: Seamless black steel tube, length according to EN 10217.
- Insulation: Polyurethane foam – Lambda < 0.027 W/(m x K).
- Outer casing: High-density polyethylene.
- Ball valve: ND 50 to 150.
See other references