prEN 488-1

District heating pipes - Bonded single pipe systems for directly buried hot water networks - Part 1: Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene

This document specifies requirements and test methods for factory made thermally insulated bonded valve assemblies for hot water networks in accordance with EN 13941-1, comprising a steel valve, valve extension pipes, polyurethane (PUR) foam thermal insulation and a casing of polyethylene.
The valve assembly can also include the following additional elements: measuring wires, spacers and diffusion barriers.

Fernwärmerohre - Einrohr-Verbundsysteme für direkt erdverlegte Fernwärmenetze - Teil 1: Werkmäßig gefertigte Stahlarmaturenbaueinheit für Stahl-Mediumrohre, Wärmedämmung aus Polyurethan und einer Ummantelung aus Polyethylen

Dieses Dokument legt die Anforderungen und Prüfverfahren für werkmäßig gefertigte, wärmegedämmte Armaturenbaugruppen für Fernwärmenetze in Übereinstimmung mit EN 13941-1 fest, die aus einer Stahl-Armatur, Armatur Verlängerungsrohren, einer Wärmedämmung aus Polyurethan-Schaum (PUR) und einer Ummantelung aus Polyethylen bestehen.
Die Armaturenbaugruppe kann darüber hinaus die folgenden zusätzlichen Bauteile umfassen: Messdrähte, Abstandhalter und Diffusionsbarrieren.

Tuyaux de chauffage urbain - Systèmes bloqués monotubes pour les réseaux d'eau chaude enterrés directement - Partie 1 : Assemblages d'appareils de robinetterie en acier manufacturés pour tubes de service en acier, isolation thermique en polyuréthane et enveloppe en polyéthylène

Le présent document définit les exigences et les méthodes d’essais applicables aux assemblages d’appareils de robinetterie bloqués manufacturés isolés thermiquement pour les réseaux d’eau chaude conformément à l’EN 13941-1, comprenant un appareil de robinetterie en acier, des tubes d’extension, une isolation thermique en mousse de polyuréthane (PUR) et une enveloppe en polyéthylène.
L’assemblage d’appareils de robinetterie peut également comprendre les éléments supplémentaires suivants : câbles de mesure, entretoises et barrières anti-diffusion.

Cevi za daljinsko ogrevanje - Poviti enocevni sistemi za neposredno vkopana vročevodna omrežja - 1. del: Tovarniško izdelan sestav jeklenih ventilov za jeklene delovne cevi, obdane s poliuretansko toplotno izolacijo in zaščitnim plaščem iz polietilena

General Information

• Status: Not Published
• Publication Date: 23-Mar-2025
• ICS: 23.040.07 - Pipeline and its parts for district heat
• ICS: 23.060.01 - Valves in general
• Technical Committee: CEN/TC 107 - Pre-fabricated district heating pipe systems
• Drafting Committee: CEN/TC 107/WG 5 - Fittings and valves
• Current Stage: 4060 - Closure of enquiry - Enquiry
• Start Date: 28-Sep-2023
• Due Date: 08-Jan-2024
• Completion Date: 28-Sep-2023
• Ref Project: oSIST prEN 488-1:2023 - District heating pipes - Bonded single pipe systems for directly buried hot water networks - Part 1: Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene

Relations

• Revises: EN 488:2019 - District heating pipes - Bonded single pipe systems for directly buried hot water networks - Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene
• Effective Date: 28-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
oSIST prEN 488-1:2023
01-september-2023
Cevi za daljinsko ogrevanje - Poviti enocevni sistemi za neposredno vkopana
vročevodna omrežja - 1. del: Tovarniško izdelan sestav jeklenih ventilov za jeklene
delovne cevi, obdane s poliuretansko toplotno izolacijo in zaščitnim plaščem iz
polietilena
District heating pipes - Bonded single pipe systems for directly buried hot water networks
- Part 1: Factory made steel valve assembly for steel service pipes, polyurethane thermal
insulation and a casing of polyethylene
Fernwärmerohre - Einrohr-Verbundsysteme für direkt erdverlegte Fernwärmenetze - Teil
1: Werkmäßig gefertigte Stahlarmaturenbaueinheit für Stahl-Mediumrohre,
Wärmedämmung aus Polyurethan und einer Ummantelung aus Polyethylen
Tuyaux de chauffage urbain - Systèmes bloqués monotubes pour les réseaux d'eau
chaude enterrés directement - Partie 1 : Assemblages d'appareils de robinetterie en
acier manufacturés pour tubes de service en acier, isolation thermique en polyuréthane
et enveloppe en polyéthylène
Ta slovenski standard je istoveten z: prEN 488-1
ICS:
23.040.07 Cevovodi za daljinsko Pipeline and its parts for
ogrevanje in njihovi deli district heat
23.060.01 Ventili na splošno Valves in general
oSIST prEN 488-1:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 488-1:2023

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oSIST prEN 488-1:2023


DRAFT
EUROPEAN STANDARD
prEN 488-1
NORME EUROPÉENNE

EUROPÄISCHE NORM

July 2023
ICS 23.040.07; 23.060.01 Will supersede EN 488:2019
English Version

District heating pipes - Bonded single pipe systems for
directly buried hot water networks - Part 1: Factory made
steel valve assembly for steel service pipes, polyurethane
thermal insulation and a casing of polyethylene
Tuyaux de chauffage urbain - Systèmes bloqués Fernwärmerohre - Einzelrohr-Verbundsysteme für
monotubes pour les réseaux d'eau chaude enterrés direkt erdverlegte Fernwärmenetze - Werkmäßig
directement - Assemblages d'appareils de robinetterie gefertigte Stahl-Absperrarmaturen für Stahl-
manufacturés pour tubes de service en acier, isolation Mediumrohre, Wärmedämmung aus Polyurethan und
thermique en polyuréthane et tube de protection en einer Ummantelung aus Polyethylen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 107.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 488-1:2023 E
worldwide for CEN national Members.

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oSIST prEN 488-1:2023
prEN 488-1:2023 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and de
...