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EN ISO 11301-1:2026

Piping systems for rehabilitation of underground gas supply networks - Part 1: Polyethylene (PE) material (ISO 11301‑1:2026)

Edition date: 2026-07-29
In Force
Available languages: English, French
Summary: This document specifies requirements and test methods for pipes and fittings which are part of piping systems for the rehabilitation, by means of renovation and trenchless replacement, of underground gas supply networks. It is applicable to polyethylene (PE) pipes, fittings and assemblies, as manufactured and as installed. It is not applicable to the existing pipeline. This document is applicable to the following technique families for renovation, intended to be used at an operating temperature of 20 °C as a reference temperature: lining with continuous pipes; lining with close-fit pipes. This document is applicable to the following technique families for trenchless replacement, intended to be used at an operating temperature of 20 °C as a reference temperature: pipe bursting and pipe extraction; horizontal directional drilling and impact moling. This document is applicable to: PE solid wall single layered pipes (nominal outside diameter, dn), including any identification stripes; PE pipes with co-extruded layers on either or both the outside and inside of the pipe (total outside diameter, dn), as specified in Annex D, where all layers have the same minimum required strength (MRS) rating. Furthermore, when used with lining with continuous pipes and trenchless replacement, this document is applicable to: PE coated pipes (outside diameter, dn) having a peelable, contiguous, thermoplastics additional layer on the outside of the pipe (“coated pipe”), as specified in Annex D. NOTE            When used with lining with close-fit lining pipes, the lining pipe is reduced in the factory or on site to provide a close-fitting independent or interactive pressure pipe liner. This document is applicable to jointing by means of butt fusion and electrofusion and to fabricated and injection-moulded fittings and mechanical connections of PE. This document is not applicable to push-fit jointed discrete pipes assembled as part of the trenchless installation process.

Dieses Dokument legt Anforderungen und Prüfverfahren für Rohre und Formstücke fest, die Teil von Rohrleitungssystemen für die Sanierung durch Renovierung und grabenlose Erneuerung von erdverlegten Gasversorgungsnetzwerken sind. Es ist anwendbar für Rohre, Formstücke und Baugruppen aus Polyethylen (PE), wie hergestellt und eingebaut. Es ist nicht anwendbar für die bestehende Rohrleitung. Dieses Dokument ist anwendbar für die folgenden Technikgruppen für die Renovierung, die für die Verwendung bei einer Betriebstemperatur von 20 °C als Referenztemperatur vorgesehen sind:  Rohrstrang-Lining;  Close-Fit-Lining. Dieses Dokument ist anwendbar für die folgenden Technikgruppen für die grabenlose Erneuerung, die für die Verwendung bei einer Betriebstemperatur von 20 °C als Referenztemperatur vorgesehen sind:  Berstverfahren und Ausziehverfahren;  Horizontal-Spülbohrverfahren und Bodenverdrängungsverfahren. Dieses Dokument ist anwendbar für:  einschichtige PE-Vollwandrohre (Nenn-Außendurchmesser dn), einschließlich aller Kennzeichnungsstreifen;  PE-Rohre mit koextrudierten Schichten auf der Innen- und/oder Außenseite des Rohrs (Gesamt-Außendurchmesser dn), wie in Anhang D festgelegt, wobei alle Schichten dieselbe Stufe der erforderlichen Mindestfestigkeit (MRS, en: minimum required strength) aufweisen. Darüber hinaus ist dieses Dokument anwendbar bei Rohrstrang-Lining und grabenloser Erneuerung für:  PE-beschichtete Rohre (Außendurchmesser dn), die eine zusätzliche abziehbare, angrenzende, thermoplastische Schicht auf der Außenseite des Rohrs aufweisen („beschichtetes Rohr“), wie in Anhang D festgelegt. ANMERKUNG Bei Verwendung mit Close-Fit-Lining-Rohren wird das Lining-Rohr im Werk oder auf der Baustelle verringert, um einen eng anliegenden unabhängigen oder interaktiven Druckleitungs-Liner zu erhalten. Dieses Dokument ist anwendbar für die Verbindung durch Stumpfschweißen und Heizwendelschweißen sowie für vorgefertigte und spritzgegossene Formstücke und mechanische Verbindungen aus PE. Dieses Dokument ist nicht anwendbar für mit Steckmuffen verbundene Einzelrohre, die als Teil des grabenlosen Einbauprozesses zusammengebaut wurden.

Le présent document spécifie les exigences et les méthodes d'essai pour les tubes et raccords qui font partie de systèmes de canalisations pour la réhabilitation par la rénovation et le remplacement sans tranchée de réseaux enterrés de distribution de gaz. Il est applicable aux tubes, raccords et assemblages en polyéthylène (PE), tels que fabriqués et tels qu'installés. Il n'est pas applicable à la canalisation existante. Le présent document s'applique aux familles de techniques de rénovation suivantes, destinées à être utilisées à une température de service de 20 °C, qui est la température de référence: tubage par tuyau continu avec espace annulaire; tubage par tuyau continu sans espace annulaire. Le présent document s'applique aux familles de techniques de remplacement sans tranchée suivantes, destinées à être utilisées à une température de service de 20 °C, qui est la température de référence: éclatement de tuyau et extraction de tuyau; forage horizontal dirigé et fonçage par fusée. Le présent document s'applique: aux tuyaux en PE monocouches à paroi compacte (diamètre extérieur nominal, dn), y compris les bandes d'identification éventuelles; aux tuyaux en PE avec des couches co-extrudées à l'extérieur et/ou à l'intérieur du tuyau (diamètre extérieur total, dn), tels que spécifiés dans l'Annexe D, toutes les couches ayant la même classification de résistance minimale requise (MRS). En outre, lors d’une utilisation avec un tubage par tuyau continu avec espace annulaire et un remplacement sans tranchée, le présent document s’applique: aux tuyaux revêtus de PE (diamètre extérieur, dn) comportant une couche supplémentaire thermoplastique contiguë pelable sur leur surface externe («tuyau revêtu»), tel que spécifié dans l'Annexe D. NOTE            Lorsqu'il est utilisé avec des tuyaux continus sans espace annulaire, le tuyau de tubage est réduit en usine ou sur site pour fournir un tubage autostructurant ou un tubage nécessitant le maintien de l'enveloppe sans espace annulaire. Le présent document s'applique à l'assemblage par soudage bout à bout et par électrosoudage, ainsi qu'aux raccords façonnés et moulés par injection et aux raccordements mécaniques en PE. Le présent document n'est pas applicable aux tuyaux courts avec espace annulaire à emboîtement sans soudure assemblés dans le cadre du processus d'installation sans tranchée.
ICS: 23.040.45-Plastics fittings
CTN: CEN/TC 155 - 6137

Reemplazo Normas

Reemplaza a EN ISO 11299-1:2018

Reemplaza a EN ISO 11299-3:2018

Reemplaza a EN ISO 21225-1:2018

Reemplaza a EN ISO 21225-2:2018

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