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Normas DIN – AENOR
DIN EN 15698-2:2014-01

DIN EN 15698-2:2014-01

District heating pipes - Preinsulated bonded twin pipe systems for directly buried hot water networks - Part 2: Fitting and valve assembly of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene; German version prEN 15698-2:2013 / Note: Date of issue 2013-12-20

/ Attention: Date de parution 2013-12-20

Fernwärmerohre - Werkmäßig gedämmte Verbundmanteldoppelrohre für direkt erdverlegte Fernwärmenetze - Teil 2: Verbundformstück und vorgedämmte Absperrarmatur, bestehend aus Stahl-Mediumrohr, Polyurethan-Wärmedämmung und Außenmantel aus Polyethylen; Deutsche Fassung prEN 15698-2:2013 / Achtung: Erscheinungsdatum 2013-12-20

Fecha Anulación:
2015-11 /Withdrawn
Equivalencias internacionales:

prEN 15698-2 (2013-11)

Relación con otras normas DIN:

Reemplazada por: DIN EN 15698-2:2015-11

Resumen:
This European Standard specifies requirements and test methods for fittings of prefabricated thermallyinsulated twin pipe assemblies comprising steel service fittings and/or valves from DN 15 to DN 250, rigidpolyurethane foam insulation and an outer casing of polyethylene for use in directly buried hot water networkswith preinsulated twin pipe assemblies in accordance with EN 15698-1. This European Standard covers the following:? fittings: bends, T-pieces, reducers and anchors;? valves constructions. This European Standard applies only to insulated fitting assemblies for continuous operation with hot water atvarious temperatures in accordance with the scope EN 15698-1. This European Standard applies to fitting and valve assemblies with a minimum design pressure of 16 bar (overpressure) complying with EN 13941. Guidelines for quality inspection of fitting and valves assemblies are given in Annex A of EN 448.Guidelines for the extend of the inspection carried out by the manufacturer is given in Annex A of EN 488 NOTE See EN 488:2011 Table A.1. Procedures for PE-welding are given in Annex B of EN 448. NOTE This European Standard does not include rules for calculation of loads and stresses.
Keywords:
Bend couplings, Casing, Composite jacket pipes, Composite tubes, Definitions, Dimensions, Distant heating, District heating, Double tubes, Fittings, Heating engineering, Hot water networks, Insulations, Jacket tubes, Lagging of a drum, Long distance heating systems, Pipe system, Pipe tees, Pipelines, Pipes for long distance heating, Pipework systems, Polyethylene, Polyurethane, Reducers, Rigid foams, Shut-off valves, Specification (approval), Steel pipes, Testing, Thermal insulation, Thermal transmission coefficient, Underground, Underground installations, Warm water, Water pipe systems, Water pipes
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