Subject of procurement

• Goods being purchased: Industrially insulated district heating network pipes and their fittings.
• Main technical requirements, specifics:
  • Insulation series: STANDARD (according to EN 253 or equivalent) or SPIRO (galvanized sheet metal casing).
  • Minimum service life: 30 years.
  • Maximum thermal conductivity coefficient for insulation: $0.027 \text{ W/mK}$ at $50^\circ\text{C}$.
  • Conformity of insulation foam (PUR) to LST EN 253:2019.
  • Fittings (including tees and elbows) must comply with…
     
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