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Norm
ÖNORM EN 488
Issue date: 2014 04 01
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
This European Standard specifies requirements and test methods for valves of prefabricated thermally insulated valve assemblies comprising a steel valve, rigid polyuretha...
Withdrawn: 2014 05 15
Publisher:
Austrian Standards International
Format:
Digital | 30 Pages
Language:
German
| English
Currently valid:
Optionally co-design standards:
ICS
This European Standard specifies requirements and test methods for valves of prefabricated thermally insulated valve assemblies comprising a steel valve, rigid polyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networks with pre-insulated pipe assemblies in accordance with EN 253.
This European Standard applies only to insulated valve assemblies for continuous operation with hot water at various temperatures in accordance with EN 253:2009, Clause 1 and the valve assemblies with a maximum operation pressure of 25 bar. For higher pressures, additional demands apply. Guidelines for quality inspection are given in Annex A of this European Standard.
ÖNORM EN 488
2020 03 15
District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory...
Norm
ÖNORM EN 488
2016 03 15
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - S...
Norm
ÖNORM EN 488
2016 02 01
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - S...
Norm
ÖNORM EN 488
2014 05 15
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - S...
Norm
ÖNORM EN 488
2014 04 01
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - S...
Norm
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ÖNORM EN 488
2011 06 01
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - S...
Norm
ÖNORM EN 488
2003 06 01
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - S...
Norm
ÖNORM EN 488
1995 02 01
Preinsulated bonded pipe systems for underground hot water networks - Steel valve assembly for steel...
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