SIST EN 1555-4:2003
(Main)Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves
This Part of prEN 1555 specifies the characteristics of valves, made of polyethylene (PE) for piping systems in the field of the supply of gaseous fuels. NOTE:Valves made from other material than polyethylene designed for the supply of gaseous fuels conforming to the relevant standards are permitted to be used in PE piping system according to prEN 1555 provided they have relevant PE connection for butt fusion or electrofusion ends (see prEN 1555-3:1999). It also specifies the test parameters for the tests methods referred to in the present standard.
Kunststoff-Rohrleitungssysteme für die Gasversorgung - Polyethylen (PE) - Teil 4: Armaturen
Dieser Teil von EN 1555 legt Anforderungen an Armaturen aus Polyethylen (PE) fest, die in Rohrleitungssystemen für die Gasversorgung eingesetzt werden.
ANMERKUNG 1 Armaturen aus anderen Werkstoffen als Polyethylen (PE), die ebenfalls für den Einsatz in der Gasversorgung vorgesehen sind und die die Anforderungen der entsprechenden Norm(en) erfüllen, dürfen in Rohrleitungssystemen aus PE nach EN 1555 eingebaut werden, wenn die Verschweißbarkeit mit den entsprechenden Anschlüssen aus PE mittels Stumpf- oder Heizwendelschweißung (siehe EN 1555-3) sichergestellt ist.
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 Armaturen 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 2 Für andere Betriebstemperaturen können Minderungsfaktoren verwendet werden, siehe EN 1555-5.
c) die Armaturen müssen für den Einsatz bei Betriebstemperaturen zwischen -20 °C und +40 °C geeignet sein.
EN 1555 enthält Festlegungen über maximal zulässige Betriebsdrücke und legt Anforderungen an die Einfärbung von Rohrleitungsteilen sowie die Verwendung von Zusatzstoffen fest.
ANMERKUNG 3 Der Anwender bzw. Auftraggeber ist unter Berücksichtigung der eigenen Anforderungen sowie der geltenden nationalen Festlegungen und Verlegepraktiken für die entsprechende Auswahl dieser Kriterien verantwortlich.
Diese Norm gilt auch für Armaturen ohne definierte Durchflussrichtung, deren Schweißende oder Heizwendel-Schweißmuffe zum Verschweißen mit Rohren aus PE nach EN 1555-2 oder Formstücken aus PE nach EN 1555-3 bestimmt ist.
Dieser Teil der EN 1555 gilt für Armaturen mit einer Nennweite DN/OD
Systemes de canalisations en plastique pour la distribution de combustibles gazeux - Polyéthylene (PE) - Partie 4: Robinets
La présente partie de l'EN 1555 spécifie les caractéristiques des robinets en polyéthylene (PE) pour les systemes de canalisations destinées a la distribution de combustibles gazeux.
NOTE Les robinets fabriqués a partir d'autres matieres que le polyéthylene conçus pour la distribution de combustibles gazeux, conformes aux normes correspondantes, peuvent etre utilisés dans les systemes de canalisations en PE selon l'EN 1555 a condition qu'ils aient des extrémités adaptées a l'assemblage par soudage bout a bout ou par électrosoudage (voir l'EN 1555 3).
Elle spécifie également les parametres d'essai des méthodes d'essai auxquelles la présente norme fait référence.
Conjointement avec les autres Parties de l'EN 1555, elle s'applique aux robinets en PE et a leurs assemblages, ainsi qu'a leurs assemblages avec des composants en PE et en d'autres matieres destinés a etre utilisés dans les conditions suivantes:
a) une pression maximale en 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.
c) une température de service comprise entre 20 °C et + 40 °C.
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 particulieres et les réglementations nationales correspondantes ainsi que les pratiques ou codes de pose.
Elle s'applique aux robinets bidirectionnels avec des extrémités a bout mâle ou des emboîtures électrosoudables prévues pour etre soudées a des tubes en PE conformes a l'EN 1555 2 sans aucun raccord ou avec des raccords en PE conformes a l'EN 1555 3.
Cette Partie de l'EN 1555 concerne les robinets de dimension nominale DN/OD 225.
Cevni sistemi iz polimernih materialov za oskrbo s plinastimi gorivi - Polietilen (PE) - 4. del: Ventili
General Information
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Standards Content (Sample)
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) - 4. del: VentiliKunststoff-Rohrleitungssysteme für die Gasversorgung - Polyethylen (PE) - Teil 4: ArmaturenSystemes de canalisations en plastique pour la distribution de combustibles gazeux - Polyéthylene (PE) - Partie 4: RobinetsPlastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves91.140.40Sistemi 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 1555-4:2002SIST EN 1555-4:2003en01-oktober-2003SIST EN 1555-4:2003SLOVENSKI
STANDARD
SIST EN 1555-4:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1555-4December 2002ICS 23.060.01; 91.140.40English versionPlastics piping systems for the supply of gaseous fuels -Polyethylene (PE) - Part 4: ValvesSystèmes de canalisations en plastique pour la distributionde combustibles gazeux - Polyéthylène (PE) - Partie 4:RobinetsKunststoff-Rohrleitungssysteme für die Gasversorgung -Polyethylen (PE) - Teil 4: ArmaturenThis 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 1555-4:2002 ESIST EN 1555-4:2003
EN 1555-4:2002 (E)2ContentspageForeword.3Introduction.41Scope.52Normative references.53Terms and definitions, symbols and abbreviations.64Material.74.1Compound.74.2Material for non-polyethylene parts.74.2.1General.74.2.2Metal parts.74.2.3Elastomers.74.2.4Other materials.85General characteristics.85.1Appearance.85.2Colour.85.3Design.85.3.1General.85.3.2Valve body.85.3.3Operating cap.85.3.4Seals.86Geometrical characteristics.86.1General.86.2Measurement of dimensions.96.3Wall thickness of the PE valve body.96.4Dimensions of spigot ends for valves.96.5Dimensions of valves with electrofusion sockets.96.6Dimensions of the operating cap.97Mechanical characteristics of assembled valves.97.1General.97.2Requirements.108Physical characteristics.128.1Conditioning.128.2Requirements.139Performance requirements.1310Marking.1310.1General.1310.2Minimum required marking.1310.3Additional marking.1411Delivery conditions.14Bibliography.15SIST EN 1555-4:2003
EN 1555-4:2002 (E)3ForewordThis document EN 1555-4:2002 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 - Polyethylene (PE):— Part 1: General— Part 2: Pipes— Part 3: Fittings— Part 4: Valves (this standard)— 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 1555-6was withdrawn when EN 12007-2:2000[1], prepared by CEN/TC 234 Gas supply, was published with the title "Gas supply systems - Pipelinesfor maximum operating pressure up to and including 16 bar - Part 2: Specific functional recommendations for polyethylene (MOP up to andincluding 10 bar)".This document includes 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 1555-4:2003
EN 1555-4:2002 (E)4IntroductionThe System Standard, of which this is Part 4, 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 valves, are specified in EN 1555-1,EN 1555-2 and EN 1555-3.
Characteristics for fitness for purpose are covered in EN 1555-5. PrCEN/TS
1555-7[2]gives guidance for assessment of conformity. Recommended practice for installation is given in EN 12007-2[1]prepared by CEN/TC 234.This part of EN 1555 covers the characteristics of valves.SIST EN 1555-4:2003
EN 1555-4:2002 (E)51 ScopeThis part of EN 1555 specifies the characteristics of valves made from polyethylene (PE) for piping systems in thefield of the supply of gaseous fuels.NOTEValves made from other material than polyethylene designed for the supply of gaseous fuels conforming to the relevant standardsare permitted to be used in PE piping system according to EN 1555 provided they have relevant PE connection for butt fusion or electrofusionends (see EN 1555-3).It also specifies the test parameters for the test methods referred to in this standard.In conjunction with the other parts of EN 1555, it is applicable to PE valves, their joints and to joints withcomponents 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 1
For other operating temperatures, derating coefficients should be used, see EN 1555-5.c)
an operating temperature between -20 °C and +40 °C.EN 1555 covers a range of maximum operating pressures and gives requirements concerning colours andadditives.NOTE 2
It 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.It is applicable to bi-directional valves with spigot end or electrofusion socket intended to be fused with PE pipesconforming to EN 1555-2 without any fittings or with PE fittings conforming to EN 1555-3.This part of EN 1555 covers valves with a nominal size DN/OD £ 225.2 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 682, Elastomeric Seals - Materials requirements for seals used in pipes and fittings carrying gas andhydrocarbon fluids.EN 728, Plastics piping and ducting systems ¾ Polyolefin pipes and fittings ¾ Determination of oxidation inductiontime.EN 744, Plastics piping and ducting systems - Thermoplastics pipes - Test method for resistance to external blowsby the round-the-clock method.EN 917, Plastics piping systems - Thermoplastics valves - Test methods for resistance to internal pressure andleaktightness.EN 1555-1:2002, Plastics piping systems for the supply of gaseous fuels ¾ Polyethylene (PE) ¾ Part 1: General.EN 1555-2:2002, Plastics piping systems for the supply of gaseous fuels ¾ Polyethylene (PE) ¾ Part 2: Pipes.EN 1555-3:2002, Plastics piping systems for the supply of gaseous fuels ¾ Polyethylene (PE) ¾ Part 3: Fittings.
1) 1 bar = 0.1 MPaSIST EN 1555-4:2003
EN 1555-4:2002 (E)6EN 1555-5:2002, Plastics piping systems for the supply of gaseous fuels ¾ Polyethylene (PE) ¾ Part 5: Fitness forpurpose of the system.EN 1680, Plastics piping systems - Valves for polyethylene (PE) piping systems - Test method for leaktightnessunder and after bending applied to the operating mechanisms.EN 1704, Plastics piping systems - Thermoplastics valves - Test method for the integrity of a valve aftertemperature cycling under bending.EN 1705, Plastics piping systems - Thermoplastics valves - Test method for the integrity of a valve after an externalblow.EN 12100, Plastics piping systems ¾ Polyethylene (PE) valves ¾ Test method for resistance to bending betweensupports.EN 12117, Plastics piping systems ¾ Fittings, valves and ancillaries ¾ Determination of gaseous flowrate/pressure drop relationships.EN 12119, Plastics piping systems ¾ Polyethylene (PE) valves ¾ Test method for resistance to thermal cycling.EN 28233, Thermoplastic valves ¾ Torque ¾ Test method (ISO 8233:1988).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).ISO 5208, Industrial valves - Pressure testing of valves.ISO 10933, Polyethylene (PE) valves for gas distribution systems.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, together with the following.3.1external leaktightnesstightness of a valve body enveloping the space containing the gas, with respect to the atmosphere3.2internal leaktightnesstightness between the inlet and the outlet of the valve, obtained by closing the operating mechanism3.3leaktightness testtest for both of the following characteristics:a)
the internal leaktightness of a valve's closing seat when closed and pressurized from either sideb)
the external leaktightness of a valve when half open3.4initiating torquetorque required to initiate movement of the obturator3.5running torquetorque required to achieve full opening or closing of the valve at maximum allowable operating pressureSIST EN 1555-4:2003
EN 1555-4:2002 (E)73.6leakageemission of gas through a valve body, or any component of a valve3.7valve bodymain part of a valve which contains the obturating device (rotating member, the seat, the packing seals and theoperating stop), as applicable and provide
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