FprEN 17970
(Main)Ductile iron pipes - Push-in joints for ductile iron pipe systems - Resistance against root intrusion - Requirements and test methods
Ductile iron pipes - Push-in joints for ductile iron pipe systems - Resistance against root intrusion - Requirements and test methods
This document is applicable to diffusion-tight pipes, accessories and fittings in ductile cast iron to EN 598 and to cast iron pipe systems.
The document gives requirements on the contact pressure based on a risk assessment and gives a test method that simulates the penetration of a root tip into the sealing gap.
Rohre aus duktilem Gusseisen - Steckmuffen-Verbindungen für Rohrsysteme aus duktilem Gusseisen – Widerstandsfähigkeit gegen Wurzeleinwuchs - Anforderungen und Prüfverfahren
Dieses Dokument gilt für diffusionsdichte Rohrleitungen, Zubehörteile und Formstücke aus duktilem Gusseisen nach EN 598 und für Rohrleitungssysteme aus Gusseisen.
Das Dokument enthält Anforderungen an den Anpressdruck auf der Grundlage einer Gefährdungseinschätzung und ein Prüfverfahren, das das Eindringen einer Wurzelspitze in den Dichtspalt simuliert.
Tuyaux en fonte ductile - Assemblages automatiques pour systèmes de canalisation en fonte ductile - Résistance à la pénétration des racines - Exigences et méthodes d’essai
Le présent document est applicable aux tuyaux et raccords anti-diffusion en fonte ductile et à leurs accessoires conformes à l’EN 598 ainsi qu’aux systèmes de tuyaux en fonte.
Il indique des exigences relatives à la pression de contact sur la base d’une évaluation des risques et fournit une méthode d’essai qui simule la pénétration de l’extrémité d’une racine dans la zone d’étanchéité.
Cevi iz duktilne železove litine - Spoji za cevne sisteme iz duktilne železove litine - Odpornost proti vraščanju korenin - Zahteve in preskusne metode
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 17970:2023
01-maj-2023
Cevi iz duktilne železove litine - Spoji za cevne sisteme iz duktilne železove litine -
Odpornost proti vraščanju korenin - Zahteve in preskusne metode
Ductile iron pipes - Push-in joints for ductile iron pipe systems - Resistance against root
intrusion - Requirements and test methods
Rohre aus duktilem Gusseisen und ihre Verbindungen - Widerstandsfähigkeit gegen
Wurzeleinwuchs
Ta slovenski standard je istoveten z: prEN 17970
ICS:
23.040.10 Železne in jeklene cevi Iron and steel pipes
oSIST prEN 17970:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 17970:2023
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oSIST prEN 17970:2023
DRAFT
EUROPEAN STANDARD
prEN 17970
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2023
ICS
English Version
Ductile iron pipes - Push-in joints for ductile iron pipe
systems - Resistance against root intrusion - Requirements
and test methods
Rohre aus duktilem Gusseisen und ihre Verbindungen -
Widerstandsfähigkeit gegen Wurzeleinwuchs
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 203.
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 17970:2023 E
worldwide for CEN national Members.
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oSIST prEN 17970:2023
prEN 17970:2023 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 5
5 Test method . 5
Annex A (informative) Influences on the resistance against root intrusion of assembled pipe
joints . 9
Bibliography . 10
2
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oSIST prEN 17970:2023
prEN 17970:2023 (E)
European foreword
This document (prEN 17970:2023) has been prepared by Technical Committee CEN/TC 203 “Cast
iron pipes and fittings”, the secretariat of which is held by AFNOR.
This document is currently
...
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