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  • BS EN 489:2009

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    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

    Available format(s):  Hardcopy, PDF

    Superseded date:  05-11-2019

    Language(s):  English

    Published date:  31-05-2009

    Publisher:  British Standards Institution

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Requirements
      4.1 General requirements
          4.1.1 General requirements for the joint
          4.1.2 Installation of the joint
          4.1.3 Competence of the welder and fitter
          4.1.4 Expected thermal life and long term temperature
                resistance
          4.1.5 Steel service pipe weld
          4.1.6 Polyurethane rigid foam insulation (PUR)
          4.1.7 Joint casing
      4.2 Type test requirements
          4.2.1 Water tightness
          4.2.2 Soil stress test
          4.2.3 Polyurethane rigid foam insulation (PUR) properties
          4.2.4 Weld joint stress crack resistance
      4.3 Installation instructions
          4.3.1 General
          4.3.2 Work environment
          4.3.3 Cleaning
          4.3.4 Surveillance system
          4.3.5 Steel site weld
          4.3.6 Joint casing
          4.3.7 Joint insulation
    5 Methods for type tests
      5.1 Soil stress test
      5.2 Water impermeability test
      5.3 Weld joint stress crack resistance test
      5.4 Polyurethane rigid foam insulation (PUR)
          5.4.1 General
          5.4.2 Test specimens
          5.4.3 Sampling
          5.4.4 Ageing resistance
          5.4.5 Cell structure
          5.4.6 Foam density
          5.4.7 Water absorption at elevated temperature
    6 Marking
      6.1 General
      6.2 Joint casing
      6.3 Plugs
      6.4 Joint insulation system
    Annex A (normative) Fusion welding of steel service pipes on site
          A.1 General
          A.2 Material
          A.3 Welding process
          A.4 Preparation for welding and lining up
          A.5 Qualification of welders
          A.6 Steel weld inspection
              A.6.1 General
              A.6.2 Leak-tightness test with air/gas
              A.6.3 Leak-tightness test with water
              A.6.4 Radiographic examination
              A.6.5 Ultrasonic examination
    Annex B (informative) General guidelines for inspection of the
            joint on site
    Annex C (informative) Qualification of fitters installing joints
            in preinsulated bonded pipe networks
          C.1 Knowledge and skills
          C.2 Background for training and testing
          C.3 Subjects for training and testing
              C.3.1 General
              C.3.2 Casing of polyethylene (PE)
              C.3.3 Surveillance
              C.3.4 PUR-foam system
              C.3.5 Joint types/jointing systems
              C.3.6 Installation of joints
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes requirements for joints made under field conditions between adjacent preinsulated pipes and/or fittings in district heating networks.

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

    Committee RHE/9
    Development Note Supersedes 00/716008 DC. (03/2003) Supersedes 07/30153360 DC. (06/2009) Reviewed and confirmed by BSI, August 2013. (07/2013)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    CSA Z662 PACKAGE : 2011 CONSISTS OF Z662-11, OIL AND GAS PIPELINE SYSTEMS AND Z662.1-11, COMMENTARY ON CSA Z662-11, OIL AND GAS PIPELINE SYSTEMS
    CAN/CSA-Z662-15 Oil and gas pipeline systems

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

    EN 13941:2009+A1:2010 Design and installation of preinsulated bonded pipe systems for district heating
    EN ISO 6520-1:2007 Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1: Fusion welding (ISO 6520-1:2007)
    EN 444:1994 Non-destructive testing - General principles for radiographic examination of metallic materials by X- and gamma-rays
    EN ISO 5817:2014 Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections (ISO 5817:2014)
    ISO 6520-1:2007 Welding and allied processes Classification of geometric imperfections in metallic materials Part 1: Fusion welding
    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
    ISO 845:2006 Cellular plastics and rubbers — Determination of apparent density
    EN ISO 4590:2016 Rigid cellular plastics - Determination of the volume percentage of open cells and of closed cells (ISO 4590:2016)
    EN 1714:1997/A2:2003 NON-DESTRUCTIVE TESTING OF WELDS - ULTRASONIC TESTING OF WELDED JOINTS
    ISO 4590:2016 Rigid cellular plastics Determination of the volume percentage of open cells and of closed cells
    DVS 2202-1:2006-07 Imperfections in thermoplastic welding joints - Features, descriptions, evaluation
    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 ISO 845:2009 Cellular plastics and rubbers - Determination of apparent density (ISO 845:2006)
    ISO 5817:2014 Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections
    EN 14419:2009 District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Surveillance systems
    EN 583-1:1998/A1:2003 NON-DESTRUCTIVE TESTING - ULTRASONIC EXAMINATION - GENERAL PRINCIPLES
    EN 1712:1997/A2:2004 NON-DESTRUCTIVE TESTING OF WELDS - ULTRASONIC TESTING OF WELDED JOINTS - ACCEPTANCE LEVELS
    EN 12517-1:2006 Non-destructive testing of welds - Part 1: Evaluation of welded joints in steel, nickel, titanium and their alloys by radiography - Acceptance levels
    ISO 15607:2003 Specification and qualification of welding procedures for metallic materials General rules
    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 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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