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  • BS 6129-1(1981) : 1981

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    CODE OF PRACTICE FOR THE SELECTION AND APPLICATION OF BELLOWS EXPANSION JOINTS FOR USE IN PRESSURE SYSTEMS - METALLIC BELLOWS EXPANSION JOINTS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1981

    Publisher:  British Standards Institution

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

    Foreword
    Cooperating organizations
    Code
    1. Scope
    2. References
    3. Definitions
    3.1 Nominal size (DN)
    3.2 Movement
    3.3 Expansion joints
    3.4 Effective area
    3.5 Expansion joint components
    3.6 Associated equipment
    4. Materials for convolution manufacture and
         precautions to avoid corrosion in service
    4.1 General considerations affecting the choice of
         material for the convolutions of a bellows
         expansion joint
    4.2 Precautions during storage, installation and use
         to avoid damage due to corrosion
    4.3 Typical materials used in the fabrication of
         bellows convolutions
    5. Application and use of expansion joints
    5.1 General
    5.2 Thermal expansion of various pipe materials
    5.3 Unrestrained expansion joints
    5.4 Restrained expansion joints
    5.5 Special service conditions
    6. Definition of design conditions and working
         conditions and classification of inspection
         procedures
    6.1 General
    6.2 Design conditions
    6.3 Working conditions
    6.4 Classification of inspection procedures
    7. Information to be provided by the purchaser and
         the manufacturer
    7.1 Information to be provided by the purchaser
    7.2 Information to be provided by the manufacturer
    8. Pre-installation inspection and testing
    8.1 General
    8.2 Class I
    8.3 Class II
    8.4 Class III
    9. Identification, protection, packing, transportation
         and installation
    9.1 Identification
    9.2 Protection
    9.3 Packing and transportation
    9.4 Installation
    10. Testing of systems containing expansion joints
    10.1 General
    10.2 Cases where a standard pressure test, in accordance
         with 10.1.5 on a system including expansion joints
         is not reasonably practicable
    11. Guide for maintenance of expansion joints after
         installation
    11.1 General
    11.2 Inspection after first full movement
    11.3 Periodic inspection after an agreed interval of
         time
    11.4 Accessibility
    12. Modifications to pressure systems incorporating
         expansion joints
    12.1 General
    12.2 Examples of modifications hazardous to systems
         containing all types of expansion joints
    12.3 Examples of modifications particularly hazardous
         to systems containing unrestrained axial expansion
         joints
    12.4 Examples of modifications particularly hazardous
         to systems containing restrained expansion joints
    13. Certification
    Table
    1. Classification of inspection procedures
    Figures
    1. Typical system using unrestrained expansion joint
    2. Examples of unsafe practice in a system using
         unrestrained expansion joints
    3. Diagrammatic explanation of cold pull of
         unrestrained expansion joint
    4. Typical system using a tied double expansion joint
         with hinged-end tie-bars
    5. Typical system using a tied double expansion joint
         with spherical-ended tie-bars
    6. Typical system using two single gimbal expansion
         joints
    7. Typical system using one single hinged expansion
         joint and two single gimbal expansion joints
    8. Typical systems using single hinged expansion
         joints
    9. Examples of unsafe practice in systems using gimbal
         expansion joints
    10. Examples of cold pull in a piping system with
         restrained expansion joints
    11. Systems using a pressure-balanced expansion joint

    Abstract - (Show below) - (Hide below)

    Provides details and recommendations on the selection, application and testing of metallic bellows expansion joints used in pressure systems. Includes illustrations of typical systems.

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

    Committee PSE/14
    Development Note Supersedes 77/79382 DC (09/2005) Reviewed and confirmed by BSI, December 2012. (11/2012)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

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

    BS 806(1993) : 1993 SPECIFICATION FOR DESIGN AND CONSTRUCTION OF FERROUS PIPING INSTALLATIONS FOR AND IN CONNECTION WITH LAND BOILERS
    BS 806(1990) : 1990 SPECIFICATION FOR DESIGN AND CONSTRUCTION OF FERROUS PIPING INSTALLATIONS FOR AND IN CONNECTION WITH LAND BOILERS
    BS 6880-1(1988) : 1988 CODE OF PRACTICE FOR LOW TEMPERATURE HOT WATER HEATING SYSTEMS OF OUTPUT GREATER THAN 45 KW - FUNDAMENTAL AND DESIGN CONSIDERATIONS
    BS 5724-1.3(1995) : 1995 MEDICAL ELECTRICAL EQUIPMENT - GENERAL REQUIREMENTS FOR SAFETY - COLLATERAL STANDARD: GENERAL REQUIREMENTS FOR RADIATION PROTECTION IN DIAGNOSTIC X-RAY EQUIPMENT

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

    BS 4872-1(1972) : LATEST APPROVAL TESTING OF WELDERS WHEN WELDING PROCEDURE APPROVAL IS NOT REQUIRED - FUSION WELDING OF STEEL
    BS 3971(1980) : 1980 SPECIFICATION FOR IMAGE QUALITY INDICATORS FOR INDUSTRIAL RADIOGRAPHY (INCLUDING GUIDANCE ON THEIR USE)
    BS 2704(1978) : 1978 SPECIFICATION FOR CALIBRATION BLOCKS FOR USE IN ULTRASONIC FLAW DETECTION
    BS 4336-1A(1968) : LATEST
    BS 1449-2(1975) : LATEST STEEL PLATE, SHEET AND STRIP - SPECIFICATION FOR STAINLESS AND HEAT-RESISTING STEEL PLATE, SHEET AND STRIP
    BS 4397(1979) : LATEST
    BS 4331-2(1972) : 1972 METHODS FOR ASSESSING THE PERFORMANCE CHARACTERISTICS OF ULTRASONIC FLAW DETECTION EQUIPMENT - ELECTRICAL PERFORMANCE
    BS 3351:1971 SPECIFICATION FOR PIPING SYSTEMS FOR PETROLEUM REFINERIES AND PETROCHEMICAL PLANTS
    BS 3974-1:1974 SPECIFICATION FOR PIPE SUPPORTS - PIPE HANGERS, SLIDER AND ROLLER TYPE SUPPORTS
    BS CP3003-1(1967) : AMD 3072
    BS 4672-2(1971) : 1971 GUIDE TO HAZARDS IN THE TRANSPORT AND STORAGE OF PACKAGES - CLIMATIC HAZARDS (MAPS AND DIAGRAMS)
    BS 4124(1987) : LATEST METHODS FOR ULTRASONIC DETECTION OF IMPERFECTIONS IN STEEL FORGINGS
    BS 3072(1978) : LATEST NICKEL AND NICKEL ALLOYS: SHEET AND PLATE
    BS 2910(1973) : LATEST RADIOGRAPHIC EXAMINATION OF FUSION WELDED CIRCUMFERENTIAL BUTT JOINTS IN STEEL PIPES
    BS 4871-1(1974) : LATEST APPROVAL TESTING OF WELDERS WORKING TO APPROVED WELDING PROCEDURES - FUSION WELDING OF STEEL
    BS 4331-3(1974) : 1974 METHODS FOR ASSESSING THE PERFORMANCE CHARACTERISTICS OF ULTRASONIC FLAW DETECTION EQUIPMENT - GUIDANCE ON THE IN - SERVICE MONITORING OF PROBES (EXCLUDING IMMERSION PROBES)
    BS 4672-1(1971) : 1971 GUIDE TO HAZARDS IN THE TRANSPORT AND STORAGE OF PACKAGES - CLIMATIC HAZARDS
    BS 4416(1969) : LATEST METHOD FOR PENETRANT TESTING OF WELDED OR BRAZED JOINTS IN METALS
    BS 4069(1966) : LATEST
    BS 1501-2(1970) : AMD 1005 STEELS FOR FIRED AND UNFIRED PRESSURE VESSELS: PLATES - ALLOY STEELS: IMPERIAL UNITS
    BS 3923-1(1978) : LATEST METHODS FOR ULTRASONIC EXAMINATION OF WELDS - MANUAL EXAMINATION OF FUSION WELDS IN FERRITIC STEELS
    BS 4870-1(1981) : 1981 SPECIFICATION FOR APPROVAL TESTING OF WELDING PROCEDURES - FUSION WELDING OF STEEL
    BS 5996(1980) : 1980 METHODS FOR ULTRASONIC TESTING AND SPECIFYING QUALITY GRADES OF FERRITIC STEEL PLATE
    BS 2600-1(1973) : LATEST METHODS FOR STEEL 2MM UP 50 AND INCLUDING 50MM THICK
    BS 1501-1(1964) : LATEST STEEL FOR FIRE AND UNFIRED PRESSURE VESSELS: PLATES - SPECIFICATION FOR CARBON AND CARBON MANGANESE STEELS
    BS 1133(1950) : LATEST
    BS PD6484(1979) : 1979 COMMENTARY ON CORROSION AT BIMETALLIC CONTACTS AND ITS ALLEVIATION
    BS 4331-1(1978) : 1978 METHOD FOR ASSESSING THE PERFORMANCE CHARACTERISTICS OF ULTRASONIC FLAW DETECTION EQUIPMENT - OVERALL PERFORMANCE: ON-SITE
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