EN 1555-2:2002
(Main)Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes
This Part of prEN 1555 specifies the characteristics of PE pipes for piping systems in the field of the supply of gaseous fuels. It also specifies the test parameters for the test methods referred to in this standard. In conjunction with the other Parts of prEN 1555 it is applicable to PE pipes, fittings, and valves, their joints and to joints with components of other materials intended to be used under the following conditions:- a maximum operating pressure, MOP, up to and including 10 bar; - an operating temperature of 200C as reference temperature.
Kunststoff-Rohrleitungssysteme für die Gasversorgung - Polyethylen (PE) - Teil 2: Rohre
Dieser Teil von EN 1555 legt Anforderungen an Rohre aus Polyethylen (PE) fest, die in Rohrleitungssystemen für die Gasversorgung eingesetzt werden.
Sie legt auch die Prüfparameter für die Prüfverfahren fest, auf die in dieser Norm verwiesen wird.
Zusammen mit den übrigen Teilen der EN 1555 (siehe Vorwort) gilt dieser Teil für Rohre aus PE, deren Verbindungen untereinander sowie mit anderen Rohrleitungsteilen aus PE und anderen Werkstoffen, die unter den folgenden Bedingungen für die Gasversorgung vorgesehen sind:
a) der maximal zulässige Betriebsdruck MOP beträgt nicht mehr als 10 bar ;
b) es gilt eine Betriebstemperatur von 20 °C als Bezugstemperatur.
ANMERKUNG 1 Für andere Betriebstemperaturen können Minderungsfaktoren verwendet werden, siehe EN 1555-5.
EN 1555 enthält Festlegungen über maximal zulässige Betriebsdrücke und legt Anforderungen an die Einfärbung von Rohrleitungsteilen sowie die Verwendung von Zusatzstoffen fest.
ANMERKUNG 2 Der Anwender bzw. Auftraggeber ist unter Berücksichtigung der eigenen Anforderungen sowie der geltenden nationalen Festlegungen und Verlegepraktiken für die entsprechende Auswahl dieser Kriterien verantwortlich.
Systèmes de canalisations en plastique pour la distribution de combustibles gazeux - Polyéthylène PE - Partie 2: Tubes
La présente partie de l'EN 1555 spécifie les caractéristiques des tubes en polyéthylène (PE) pour les systèmes de canalisations destinés à la distribution de combustibles gazeux.
Elle spécifie également les paramètres d'essai des méthodes d'essai auxquelles la présente norme fait référence.
Conjointement avec les autres parties de l'EN 1555 (voir Avant-propos), elle s'applique aux tubes en PE et à leurs assemblages, ainsi qu'à leurs assemblages avec des composants en PE et autres matières, destinés à être utilisés dans les conditions suivantes :
a) une pression maximale de service, MOP, jusques et y compris 10 bar ) ;
b) une température de service de 20 °C, comme température de référence.
NOTE 1 Pour d'autres températures de service, il convient d'utiliser des facteurs de réduction, voir l'EN 1555 5:
L'EN 1555 concerne une gamme de pressions maximales de service et donne les exigences concernant la couleur et les additifs.
NOTE 2 Il est de la responsabilité de l'acheteur ou du prescripteur de faire le choix approprié de ces différents aspects, en prenant en compte les exigences particulières et les réglementations nationales correspondantes ainsi que les pratiques ou codes de pose.
Cevni sistemi iz polimernih materialov za oskrbo s plinastimi gorivi - Polietilen (PE) - 2. del: Cevi
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Cevni sistemi iz polimernih materialov za oskrbo s plinastimi gorivi - Polietilen (PE) - 2. del: CeviKunststoff-Rohrleitungssysteme für die Gasversorgung - Polyethylen (PE) - Teil 2: RohreSystemes de canalisations en plastique pour la distribution de combustibles gazeux - Polyéthylene PE - Partie 2: TubesPlastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes91.140.40Sistemi za oskrbo s plinomGas supply systems83.140.30Cevi, fitingi in ventili iz polimernih materialovPlastics pipes, fittings and valvesICS:Ta slovenski standard je istoveten z:EN 1555-2:2002SIST EN 1555-2:2003en01-oktober-2003SIST EN 1555-2:2003SLOVENSKI
STANDARD
SIST EN 1555-2:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1555-2December 2002ICS 23.040.20; 91.140.40English versionPlastics piping systems for the supply of gaseous fuels -Polyethylene (PE) - Part 2: PipesSystèmes de canalisations en plastique pour la distributionde combustibles gazeux - Polyéthylène PE - Partie 2:TubesKunststoff-Rohrleitungssysteme für die Gasversorgung -Polyethylen (PE) - Teil 2: RohreThis European Standard was approved by CEN on 1 November 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1555-2:2002 ESIST EN 1555-2:2003
EN 1555-2:2002 (E)2ContentspageForeword.3Introduction.41Scope.52Normative references.53Terms and definitions, symbols and abbreviations.64Material.64.1Compound.64.2Compound for identification stripes.65General characteristics.65.1Appearance.65.2Colour.66Geometrical characteristics.66.1Measurement of dimensions.66.2Mean outside diameters, out-of-roundness (ovality) and tolerances.66.3Wall thicknesses and related tolerances.76.4Circumferential reversion.97Mechanical characteristics.97.1Conditioning.97.2Requirements.108Physical characteristics.118.1Conditioning.118.2Requirements.129Performance requirements.1210Marking.1310.1General.1310.2Minimum required marking.1310.3Additional marking.1311Delivery conditions.13Annex A (informative)
Squeeze-off technique.14A.1General Squeeze-off technique.14A.2Definitions.14A.3Test method.14Bibliography.15SIST EN 1555-2:2003
EN 1555-2:2002 (E)3ForewordThis document EN 1555-2:2002 has been prepared by Technical Committee CEN /TC 155, "Plastics pipingsystems and ducting systems", the secretariat of which is held by NEN.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by June 2003, and conflicting national standards shall be withdrawn at the latest byDecember 2004.It has been prepared in liaison with Technical Committee CEN/TC 234 "Gas supply".This standard is a part of a System Standard for plastics piping systems of a particular material for a specifiedapplication.
There are a number of such System Standards.System Standards are based on the results of the work undertaken in ISO/TC 138 "Plastics pipes, fittings andvalves for the transport of fluids", which is a Technical Committee of the International Organization forStandardization (ISO).They are supported by separate standards on test methods to which references are made throughout the SystemStandard.The System Standards are consistent with general standards on functional requirements and on recommendedpractice for installation.EN 1555 consists of the following parts, under the general title Plastics piping systems for the supply of gaseousfuels
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Polyethylene (PE):— Part 1: General— Part 2: Pipes (this standard)— Part 3: Fittings— Part 4: Valves— Part 5: Fitness for purpose of the system— Part 7: Guidance for assessment of conformity (to be published as CEN/TS).NOTEThe document dealing with recommended practice for installation which was initially submitted for CEN enquiry as prEN 1555-6 waswithdrawn when EN 12007-2[1], prepared by CEN/TC 234 Gas supply, was published with the title "Gas supply systems - Pipelines formaximum operating pressure up to and including 16 bar - Part 2: Specific functional recommendations for polyethylene (MOP up to andincluding 10 bar)".This document includes an informative annex A and a Bibliography.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard : Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.SIST EN 1555-2:2003
EN 1555-2:2002 (E)4IntroductionThe System Standard, of which this is Part 2, specifies the requirements for a piping system and its componentsmade from polyethylene (PE) and which is intended to be used for the supply of gaseous fuels.Requirements and test methods for material and components, other than pipes, are specified in EN 1555-1,EN 1555-3 and EN 1555-4 (for the titles see Foreword). Characteristics for fitness for purpose are covered inEN 1555-5. PrCEN/TS 1555-7 gives guidance for assessment of conformity. Recommended practice for installationis given in EN 12007-2[1] prepared by CEN/TC 234.This part of EN 1555 covers the characteristics of pipes.SIST EN 1555-2:2003
EN 1555-2:2002 (E)51 ScopeThis part of EN 1555 specifies the characteristics of pipes made from polyethylene (PE) for piping systems in thefield of the supply of gaseous fuels.It also specifies the test parameters for the test methods referred to in this standard.In conjunction with the other parts of EN 1555 (see Foreword) it is applicable to PE pipes, their joints and to jointswith components of PE and other materials intended to be used under the following conditions:a)
a maximum operating pressure, MOP, up to and including 10 bar 1) ;b)
an operating temperature of 20 °C as reference temperature.NOTE 1For other operating temperatures, derating coefficients should be used, see EN 1555-5.EN 1555 covers a range of maximum operating pressures and gives requirements concerning colours andadditives.NOTE 2It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account theirparticular requirements and any relevant national regulations and installation practices or codes.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 728, Plastics piping and ducting systems ¾ Polyolefin pipes and fittings ¾ Determination of oxidation inductiontime.EN 743, Plastics piping and ducting systems ¾ Thermoplastics pipes ¾ Determination of the longitudinalreversion.EN 921, Plastics piping systems — Thermoplastics pipes — Determination of resistance to internal pressure atconstant temperature.EN 1056, Plastics piping and ducting systems ¾ Plastics pipes and fittings ¾ Method for exposure to direct(natural) weathering.EN 1555-1:2002, Plastics piping systems for the supply of gaseous fuels ¾ Polyethylene (PE) ¾ Part 1: General.EN 1555-5:2002, Plastics piping systems for the supply of gaseous fuels ¾ Polyethylene (PE) ¾ Part 5: Fitness forpurpose of the system.EN ISO 1133, Plastics - Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) ofthermoplastics (ISO 1133:1997).prEN ISO 3126, Plastics piping systems - Plastics piping components - Measurement and determination ofdimensions (ISO/DIS 3126:1999).EN ISO 6259-1, Thermoplastics pipes - Determination of tensile properties - Part 1: General test method (ISO6259-1:1997EN ISO 13478, Thermoplastics pipes for the conveyance of fluids — Determination of resistance to rapid crackpropagation (RCP) — Full scale test (FST) (ISO 13478:1997).)
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1 bar = 0.1 MPaSIST EN 1555-2:2003
EN 1555-2:2002 (E)6EN ISO 13479:1997, Polyolefin pipes for the conveyance of fluids — Determination of resistance to crackpropagation — Test method for slow crack growth on notched pipes (notch test) (ISO 13479:1997).ISO 6259-3, Thermoplastics pipes – Determination of tensile properties – Part 3: Polyolefin pipes.ISO 13477, Thermoplastics pipes for the conveyance of fluids — Determination of resistance to rapid crackpropagation (RCP) — Small-scale steady-state test (S4 test).ISO 13480, Polyethylene pipes - Resistance to slow crack growth - Cone test method.3 Terms and definitions, symbols and abbreviationsFor the purposes of this European Standard, the terms and definitions, symbols and abbreviations given inEN 1555-1:2002 apply.4 Material4.1 CompoundThe pipes shall be made from virgin material or own reprocessable material from identical PE base polymer or amixture of both materials.The compound from which the pipes are made shall conform to EN 1555-1.4.2 Compound for identification stripesFor black pipes with identification stripes, the compound used for these stripes shall be yellow and shall bemanufactured from the identical PE base polymer as used for the compound for pipe production with additivesnecessary to fulfil the performance of the pipe.5 General characteristics5.1 AppearanceWhen viewed without magnification, the internal and external surfaces of pipes shall be smooth and clean and shallhave no scoring, cavities and other surface defects to an extent that would prevent conformity to this standard.The ends of the pipe shall be cut cleanly and square to the axis of the pipe.5.2 ColourPipes shall be black, yellow or black with yellow identification stripes.6 Geometrical characteristics6.1 Measurement of dimensionsDimensions shall be measured in accordance with prEN ISO 3126 at (23 ± 2) °C, after being conditioned for atleast 4 h. The measurement s
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