SIST EN ISO 16486-2:2025/A11:2025
(Amendment)Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 2: Pipes
Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 2: Pipes
This document specifies the physical and mechanical properties of pipes made from unplasticized polyamide (PA-U) in accordance with ISO 16486-1, intended to be buried and used for the supply of gaseous fuels.
It also specifies the test parameters for the test methods to which it refers.
The ISO 16486 series is applicable to PA-U piping systems, the components of which are connected by fusion jointing and/or mechanical jointing.
In particular, this document lays down dimensional characteristics and requirements for the marking of pipes.
Pipes conforming to this document are jointed typically by using mechanical, electrofusion or butt fusion techniques.
Kunststoff-Rohrleitungssysteme für die Gasversorgung - Rohrleitungssysteme aus weichmacherfreiem Polyamid (PA-U) mit Schweißverbindungen und mechanischen Verbindungen - Teil 2: Rohre
Dieses Dokument legt die physikalischen und mechanischen Eigenschaften von Rohren fest, die nach ISO 16486 1 aus weichmacherfreiem Polyamid (PA U) hergestellt und dafür vorgesehen sind, unterirdisch verlegt und für die Gasversorgung verwendet zu werden.
Es legt auch die Prüfparameter für die Prüfverfahren fest, auf die es sich bezieht.
Die Normenreihe ISO 16486 ist anwendbar für PA U Rohrleitungssysteme, deren Komponenten durch Schweißverbindungen und/oder mechanische Verbindungen zusammengefügt werden.
Dieses Dokument legt insbesondere Maßeigenschaften und Anforderungen an die Kennzeichnung von Rohren fest.
Rohre, die diesem Dokument entsprechen, werden üblicherweise unter Verwendung von mechanischen, Heizwendelschweiß oder Stumpfschweißtechniken zusammengefügt.
Systèmes de canalisations en matières plastiques pour la distribution de combustibles gazeux - Systèmes de canalisations en polyamide non plastifié (PA-U) avec assemblages par soudage et assemblages mécaniques - Partie 2: Tubes
Le présent document spécifie les propriétés physiques et mécaniques des tubes en polyamide non plastifié (PA-U) conformément à l’ISO 16486-1, destinés à être enterrés et utilisés pour la distribution de combustibles gazeux.
Il spécifie également les paramètres d’essai pour les méthodes d’essai auxquelles il fait référence.
La série ISO 16486 s’applique aux systèmes de canalisations en PA-U dont les composants sont raccordés par des assemblages par soudage et/ou par des assemblages mécaniques.
En particulier, le présent document définit les caractéristiques dimensionnelles et les exigences pour le marquage des tubes.
Les tubes conformes au présent document sont généralement assemblés par des techniques mécaniques, par électrosoudage ou par soudage bout à bout.
Cevni sistemi iz polimernih materialov za oskrbo s plinastimi gorivi - Cevni sistemi iz nemehčanega poliamida (PA-U) z zvari in mehanskimi spoji - 2. del: Cevi - Dopolnilo A11
Ta dokument določa fizikalne in mehanske lastnosti cevi iz nemehčanega poliamida (PA-U) v skladu s standardom ISO 16486-1, ki so predvidene za vkop in uporabo za namene oskrbe s plinastimi gorivi. Določa tudi preskusne parametre za preskusne metode, na katere se sklicuje. Skupina standardov ISO 16486 se uporablja za cevne sisteme iz nemehčanega poliamida, sestavni deli katerih so povezani z zvari in/ali mehanskimi spoji. Ta dokument zlasti določa dimenzijske lastnosti in zahteve za označevanje cevi. Cevi, ki so skladne s tem dokumentom, so običajno spojene z mehanskimi tehnikami, elektrofuzijo ali soležnim taljenjem.
General Information
- Status
- Published
- Publication Date
- 25-Aug-2025
- Technical Committee
- PCV - Plastic pipes, fittings and valves
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 08-Aug-2025
- Due Date
- 13-Oct-2025
- Completion Date
- 26-Aug-2025
Relations
- Effective Date
- 25-Jun-2025
Overview
SIST EN ISO 16486-2:2025/A11:2025 is an internationally recognized standard developed by CEN for the specification of physical and mechanical properties of pipes made from unplasticized polyamide (PA-U), specifically designed for the supply of gaseous fuels. This standard, forming Part 2 of the ISO 16486 series, focuses on pipes intended to be buried and used in conjunction with fusion jointing and mechanical jointing techniques. It ensures that PA-U piping systems are manufactured, tested, and marked to meet essential performance and safety requirements for natural gas and similar applications.
Key Topics
Material Specification: The standard defines the required characteristics for unplasticized polyamide (PA-U) materials to ensure consistent quality and performance in gaseous fuel supply applications.
Dimensional Requirements: Essential dimensional constraints and tolerances for PA-U pipes are detailed to ensure compatibility and proper fit within piping systems and fittings.
Jointing Techniques: Pipes complying with EN ISO 16486-2 can be connected using:
- Mechanical jointing
- Electrofusion
- Butt fusion These options provide flexibility and reliability in the assembly and maintenance of gas distribution networks.
Mechanical and Physical Properties: The document outlines the test parameters and required performance standards (such as pressure resistance, strength, and durability) that pipes must meet.
Marking and Identification: Clear requirements for the marking of pipes ensure traceability and compliance throughout the supply chain.
A-deviations: The document acknowledges specific national regulations (e.g., Italian requirements regarding pressure limits and material use) that may take precedence over the standard in certain jurisdictions.
Applications
SIST EN ISO 16486-2:2025/A11:2025 is applicable in a variety of scenarios within the gas distribution and supply sector, such as:
- Natural Gas Networks: Suitable for new installations and replacement projects, supporting safe and efficient gas transportation underground.
- Utility Services: Used by utilities and contractors for reliable connections in urban and industrial gas supply infrastructures.
- Compliant Construction: Essential for manufacturers, installers, and inspectors to ensure compliance with European quality and safety benchmarks.
- Integration with Existing Systems: The standard supports compatibility with pipes, fittings, and components from different suppliers, facilitating repair and network expansion.
Related Standards
To ensure full integration and compliance with industry requirements, the following related standards should also be considered:
- ISO 16486-1: General requirements for PA-U piping systems for the supply of gaseous fuels.
- ISO 16486 Series: Covers all aspects of PA-U piping systems, from raw materials and components to system installation and performance.
- EN ISO 4437: Specifies requirements for polyethylene (PE) piping systems for gaseous fuels, often referenced for complementary use.
- ISO 17855: Test methods and quality assurance for plastic piping systems used in the transport of gaseous fuels.
- UNI 9034 & National Standards: For countries such as Italy, national standards and legislation may specify additional or alternative requirements for materials and installation.
By following SIST EN ISO 16486-2:2025/A11:2025 and the referenced standards, industry stakeholders help ensure that plastics piping systems for gas supply are safe, durable, and in line with European and international expectations for performance and reliability. This standard supports both regulatory compliance and operational excellence within the gas distribution industry.
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Frequently Asked Questions
SIST EN ISO 16486-2:2025/A11:2025 is a amendment published by the Slovenian Institute for Standardization (SIST). Its full title is "Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 2: Pipes". This standard covers: This document specifies the physical and mechanical properties of pipes made from unplasticized polyamide (PA-U) in accordance with ISO 16486-1, intended to be buried and used for the supply of gaseous fuels. It also specifies the test parameters for the test methods to which it refers. The ISO 16486 series is applicable to PA-U piping systems, the components of which are connected by fusion jointing and/or mechanical jointing. In particular, this document lays down dimensional characteristics and requirements for the marking of pipes. Pipes conforming to this document are jointed typically by using mechanical, electrofusion or butt fusion techniques.
This document specifies the physical and mechanical properties of pipes made from unplasticized polyamide (PA-U) in accordance with ISO 16486-1, intended to be buried and used for the supply of gaseous fuels. It also specifies the test parameters for the test methods to which it refers. The ISO 16486 series is applicable to PA-U piping systems, the components of which are connected by fusion jointing and/or mechanical jointing. In particular, this document lays down dimensional characteristics and requirements for the marking of pipes. Pipes conforming to this document are jointed typically by using mechanical, electrofusion or butt fusion techniques.
SIST EN ISO 16486-2:2025/A11:2025 is classified under the following ICS (International Classification for Standards) categories: 75.200 - Petroleum products and natural gas handling equipment; 83.140.30 - Plastics pipes and fittings for non fluid use. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN ISO 16486-2:2025/A11:2025 has the following relationships with other standards: It is inter standard links to SIST EN ISO 16486-2:2025. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN ISO 16486-2:2025/A11:2025 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-oktober-2025
Cevni sistemi iz polimernih materialov za oskrbo s plinastimi gorivi - Cevni sistemi
iz nemehčanega poliamida (PA-U) z zvari in mehanskimi spoji - 2. del: Cevi -
Dopolnilo A11
Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U)
piping systems with fusion jointing and mechanical jointing - Part 2: Pipes
Kunststoff-Rohrleitungssysteme für die Gasversorgung - Rohrleitungssysteme aus
weichmacherfreiem Polyamid (PA-U) mit Schweißverbindungen und mechanischen
Verbindungen - Teil 2: Rohre
Systèmes de canalisations en matières plastiques pour la distribution de combustibles
gazeux - Systèmes de canalisations en polyamide non plastifié (PA-U) avec
assemblages par soudage et assemblages mécaniques - Partie 2: Tubes
Ta slovenski standard je istoveten z: EN ISO 16486-2:2024/A11:2025
ICS:
75.200 Oprema za skladiščenje Petroleum products and
nafte, naftnih proizvodov in natural gas handling
zemeljskega plina equipment
83.140.30 Polimerne cevi in fitingi za Plastics pipes and fittings for
snovi, ki niso tekočine non fluid use
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 16486-
EUROPEAN STANDARD
2:2024/A11
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2025
ICS 75.200; 83.140.30
English Version
Plastics piping systems for the supply of gaseous fuels -
Unplasticized polyamide (PA-U) piping systems with
fusion jointing and mechanical jointing - Part 2: Pipes
Systèmes de canalisations en matières plastiques pour Kunststoff-Rohrleitungssysteme für die Gasversorgung
la distribution de combustibles gazeux - Systèmes de - Rohrleitungssysteme aus weichmacherfreiem
canalisations en polyamide non plastifié (PA-U) avec Polyamid (PA-U) mit Schweißverbindungen und
assemblages par soudage et assemblages mécaniques - mechanischen Verbindungen - Teil 2: Rohre
Partie 2: Tubes
This amendment A11 modifies the European Standard EN ISO 16486-2:2024; it was approved by CEN on 11 June 2025.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This amendment exists 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any
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