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Norm

ÖNORM EN 489

Issue date: 2009 06 15

District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene

This European Standard specifies requirements for joints made under field conditions between adjacent preinsulated pipes and/or fittings in district heating networks. Th...
Withdrawn: 2020 03 15
Publisher:
Austrian Standards International
Format:
Digital | 31 Pages
Language:
German | English | Download GER/ENG
Currently valid:
This European Standard specifies requirements for joints made under field conditions between adjacent preinsulated pipes and/or fittings in district heating networks. The specified general requirements are also valid for field-made T-branches, bends, reducers, caps, etc. This European Standard covers jointing of steel service pipes by means of fusion welding, the connecting of casing ends with joint casings and the thermal insulation with poured rigid PUR foam or prefabricated PUR-foam insulation. This European Standard specifies methods for type tests of complete joints and PUR-foam for joints under laboratory conditions. The requirements of this European Standard can also be applied to casing pipe weldings/connections of on site made fittings. The requirements of this European Standard aim to obtain a technical life of the joints of at least 30 years.
ÖNORM EN 489-1
2022 12 01
District heating pipes - Bonded single and twin pipe systems for buried hot water networks - Part 1:...
Norm
ÖNORM EN 489-1
2020 03 15
District heating pipes - Bonded single and twin pipe systems for buried hot water networks - Part 1:...
Norm
ÖNORM EN 489
2009 06 15
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - J...
Norm
ÖNORM EN 489
2003 06 01
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - J...
Norm
ÖNORM EN 489
1995 02 01
Preinsulated bonded pipe systems for underground hot water networks - Joint assembly for steel servi...
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