NF EN 489-1

District heating pipes - Bonded single and twin pipe systems for buried hot water networks - Part 1 : joint casing assemblies and thermal insulation for hot water networks in accordance with EN 13941-1

Le présent document spécifie les prescriptions s'appliquant aux assemblages de tuyaux préisolés adjacents et/ou de raccords d'un réseau de chauffage urbain réalisés en usine. Il spécifie les méthodes pour les essais de type en laboratoire des assemblages complets et de la mousse PUR pour assemblages. Les prescriptions du présent document peuvent également s'appliquer aux soudures/connexions des tubes de protection sur des raccords fabriqués sur chantier.

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