-50% de descuento* Si compras la misma norma UNE en distintos idiomas. * Dto. sobre el pvp inferior. Ver condiciones

DIN EN 448:2023-08

District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene; German and English version prEN 448:2023 / Note: Date of issue 2023-07-07

Fecha de anulación: 2025-07-01
Anulada
Idiomas disponibles: Alemán, Inglés
Resumen: This document specifies requirements and test methods for factory made thermally insulated bonded fitting assemblies for hot water networks in accordance with EN 13941-1, comprising a steel service pipe, in most cases a steel fitting, polyurethane (PUR) foam thermal insulation and a casing of polyethylene. The fitting assembly may also include the following additional elements: measuring wires, spacers and diffusion barriers. This document covers the following fitting assemblies: bend, tee and reducer. This document applies to fitting assemblies with a minimum design pressure of 1,6 MPa.

Keywords: Casing|Composite jacket pipes|Composite tubes|Dimensions|Distant heating|District heating|Fittings|Heating engineering|Hot water networks|Impermeability|Insulations|Jacket tubes|Lagging of a drum|Long distance heating systems|Marking|Pipe fittings|Pipe system|Pipe tees|Pipelines|Pipes for long distance heating|Pipework systems|Polyethylene|Polyurethane|Reducers|Rigid foams|Segment|Specification (approval)|Steel pipes|Surveillance (approval)|Testing|Thermal insulation|Tightness|Underground|Underground installations|Warm water|Water pipe systems|Water pipes|Welding processes|Welding work
ICS: 23.040.45 - Accesorios de materiales plásticos, 23.040.07 - Canalizaciones y sus componentes para calefacción central
CTN:

Reemplazo Normas

Es reemplazada por DIN EN 448:2025-07

El libro en palabras del autor

Ultricies magna feugiat malesuada sociosqu varius vivamus cubilia parturient, himenaeos vitae vehicula nam placerat netus urna platea, nostra rutrum felis mattis penatibus velit quisque.

Button
Preguntas frecuentes ¿Tienes alguna duda sobre nuestros productos?

Respuesta 2

Desde la web

Libros y normas