Pre-insulated bonded pipe units: Thermal transmlttance measurements (NT VVS 080)

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  • Report #: NT VVS 080
  • Approved: June 1990
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This Nordtest method is a laboratory test method for the determination of the thermal performance of pre-insulated bonded pipe units. The thermal performance is expressed as the linear thermal transmittance or the linear thermal resistance. The apparatus used is a guarded end apparatus.