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  • UNI EN 13941 : 2011

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    DESIGN AND INSTALLATION OF PREINSULATED BONDED PIPE SYSTEMS FOR DISTRICT HEATING

    Available format(s): 

    Superseded date:  25-07-2019

    Language(s): 

    Published date:  01-01-2011

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions, units and symbols
    4 General considerations for system design
    5 Components and materials
    6 Actions and limit states
    7 Installation
    Annex A (normative) - Design of piping components under internal pressure
    Annex B (informative) - Geotechnics and pipe-soil interaction
    Annex C (informative) - Global- and cross sectional analysis
    Annex D (informative) - Calculation of heat losses
    Annex E (informative) - National A-deviations
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes rules for design, calculation and installation for preinsulated bonded pipe systems for buried hot water distribution and transmission networks with pipe assemblies in accordance with EN 253, for continuous operation with hot water at various temperatures up to 120 degrees C and occasionally with peak temperatures up to 140 degrees C and maximum internal pressure 25 bar (overpressure).

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 3834-1:2005 Quality requirements for fusion welding of metallic materials Part 1: Criteria for the selection of the appropriate level of quality requirements
    EN 444:1994 Non-destructive testing - General principles for radiographic examination of metallic materials by X- and gamma-rays
    EN ISO 3834-3:2005 Quality requirements for fusion welding of metallic materials - Part 3: Standard quality requirements (ISO 3834-3:2005)
    ENV 1991-3:1995/AC:1998 EUROCODE 1 - BASIS OF DESIGN AND ACTIONS ON STRUCTURES - TRAFFIC LOADS ON BRIDGES
    EN ISO 3834-2:2005 Quality requirements for fusion welding of metallic materials - Part 2: Comprehensive quality requirements (ISO 3834-2:2005)
    ASME B31.1 : 2016 POWER PIPING
    EN 488:2015 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
    EN ISO 9692-2:1998/AC:1999 WELDING AND ALLIED PROCESSES - JOINT PREPARATION - PART 2: SUBMERGED ARC WELDING OF STEELS
    ISO 3834-4:2005 Quality requirements for fusion welding of metallic materials Part 4: Elementary quality requirements
    EN ISO 3834-4:2005 Quality requirements for fusion welding of metallic materials - Part 4: Elementary quality requirements (ISO 3834-4:2005)
    ISO/TR 15608:2017 Welding Guidelines for a metallic materials grouping system
    EN 1714:1997/A2:2003 NON-DESTRUCTIVE TESTING OF WELDS - ULTRASONIC TESTING OF WELDED JOINTS
    EN 1594:2013 Gas infrastructure - Pipelines for maximum operating pressure over 16 bar - Functional requirements
    ISO 14731:2006 Welding coordination Tasks and responsibilities
    EN 10216-2:2013 Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
    EN 448:2015 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
    EN 473:2008 Non-destructive testing - Qualification and certification of NDT personnel - General principles
    ISO 5817:2014 Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections
    ISO 15614-1:2017 Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys
    EN 13480-3:2017 Metallic industrial piping - Part 3: Design and calculation
    ISO 15609-1:2004 Specification and qualification of welding procedures for metallic materials Welding procedure specification Part 1: Arc welding
    ISO 3834-2:2005 Quality requirements for fusion welding of metallic materials Part 2: Comprehensive quality requirements
    EN 1289:1998/A2:2003 NON-DESTRUCTIVE TESTING OF WELDS - PENETRANT TESTING OF WELDS - ACCEPTANCE LEVELS
    EN 10217-2:2002/A1:2005 WELDED STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - PART 2: ELECTRIC WELDED NON-ALLOY AND ALLOY STEEL TUBES WITH SPECIFIED ELEVATED TEMPERATURE PROPERTIES
    EN 583-1:1998/A1:2003 NON-DESTRUCTIVE TESTING - ULTRASONIC EXAMINATION - GENERAL PRINCIPLES
    EN 489:2009 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
    EN ISO 14731:2006 Welding coordination - Tasks and responsibilities (ISO 14731:2006)
    EN 10204:2004 Metallic products - Types of inspection documents
    CEN/TR 1295-2:2005 Structural design of buried pipelines under various conditions of loading - Part 2: Summary of nationally established methods of design
    EN ISO 15609-1:2004 Specification and qualification of welding procedures for metallic materials - Welding procedure specification - Part 1: Arc welding (ISO 15609-1:2004)
    EN ISO 3834-1:2005 Quality requirements for fusion welding of metallic materials - Part 1: Criteria for the selection of the appropriate level of quality requirements (ISO 3834-1:2005)
    EN 1712:1997/A2:2004 NON-DESTRUCTIVE TESTING OF WELDS - ULTRASONIC TESTING OF WELDED JOINTS - ACCEPTANCE LEVELS
    ISO 3419:1981 Non-alloy and alloy steel butt-welding fittings
    EN 13018:2016 NON-DESTRUCTIVE TESTING - VISUAL TESTING - GENERAL PRINCIPLES
    ISO 9692-2:1998 Welding and allied processes — Joint preparation — Part 2: Submerged arc welding of steels
    EN 1291:1998/A2:2003 NON-DESTRUCTIVE TESTING OF WELDS - MAGNETIC PARTICLE TESTING OF WELDS - ACCEPTANCE LEVELS
    ISO 15607:2003 Specification and qualification of welding procedures for metallic materials General rules
    EN 571-1:1997 Non destructive testing - Penetrant testing - Part 1: General principles
    EN 253:2009+A2:2015 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
    EN 1418:1997 Welding personnel - Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials
    EN 970:1997 Non-destructive examination of fusion welds - Visual examination
    EN 1290:1998/A2:2003 NON-DESTRUCTIVE EXAMINATION OF WELDS - MAGNETIC PARTICLE EXAMINATION OF WELDS
    ISO 3834-3:2005 Quality requirements for fusion welding of metallic materials Part 3: Standard quality requirements
    EN 25817 : 1992 ARC WELDED JOINTS IN STEEL - GUIDANCE ON QUALITY LEVELS FOR IMPERFECTIONS
    EN 10253-2:2007 Butt-welding pipe fittings - Part 2: Non alloy and ferritic alloy steels with specific inspection requirements
    EN 10217-1:2002/A1:2005 WELDED STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - NON-ALLOY STEEL TUBES WITH SPECIFIED ROOM TEMPERATURE PROPERTIES
    EN 10217-5:2002/A1:2005 WELDED STEEL TUBES FOR PRESSURE PURPOSES - TECHNICAL DELIVERY CONDITIONS - PART 5: SUBMERGED ARC WELDED NON-ALLOY AND ALLOY STEEL TUBES WITH SPECIFIED ELEVATED TEMPERATURE PROPERTIES
    EN 1435:1997/A2:2003 NON-DESTRUCTIVE TESTING OF WELDS - RADIOGRAPHIC TESTING OF WELDED JOINTS
    EN ISO 15607:2003 Specification and qualification of welding procedures for metallic materials - General rules (ISO 15607:2003)
    EN 287-1:2011 Qualification test of welders - Fusion welding - Part 1: Steels
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