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Norm
ÖNORM EN 253
Issue date: 2009 04 15
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
In dieser ÖNORM EN sind Anforderungen und Prüfverfahren für vorgefertigte, gerade wärmegedämmte Rohr-in-Rohr-Systeme für erdverlegte Fernwärmenetze festgelegt, die aus ei...
Withdrawn: 2009 06 15
Publisher:
Austrian Standards International
Format:
Digital | 51 Pages
Language:
German
| English
Currently valid:
Optionally co-design standards:
ICS
In dieser ÖNORM EN sind Anforderungen und Prüfverfahren für vorgefertigte, gerade wärmegedämmte Rohr-in-Rohr-Systeme für erdverlegte Fernwärmenetze festgelegt, die aus einem Stahl-Mediumrohr von DN 15 bis DN 1200 mit Wärmedämmung aus Polyurethan-Hartschaumstoff und einer Ummantelung aus Polyethylen bestehen. Das Verbund-Rohrsystem darf darüber hinaus folgende Bauteile umfassen: Messdrähte, Abstandhalter und Diffusionssperrschichten. Diese ÖNORM EN gilt nur für wärmegedämmte Verbund-Rohrsysteme für den Dauerbetrieb mit Warmwasser bei unterschiedlichen Betriebstemperaturen von bis zu 120 °C und gelegentlich auftretenden Spitzentemperaturen von bis zu 140 °C. Die Abschätzung der erwarteten thermischen Lebensdauer bei Dauerbetrieb mit unterschiedlichen Betriebstemperaturen ist in Anhang B erläutert.
ÖNORM EN 253
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ÖNORM EN 253
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Norm
ÖNORM EN 253
2009 06 15
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - P...
Norm
ÖNORM EN 253
2009 04 15
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - P...
Norm
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ÖNORM EN 253
2007 02 01
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - P...
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ÖNORM EN 253
2006 04 01
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - P...
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ÖNORM EN 253
2003 06 01
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ÖNORM EN 253
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