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  • BS 6437:1984

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Specification for polyethylene pipes (type 50) in metric diameters for general purposes

    Available format(s):  Hardcopy, PDF

    Superseded date:  11-12-2003

    Language(s):  English

    Published date:  31-01-1984

    Publisher:  British Standards Institution

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

    Foreword
    Committees responsible
    Specification
    1. Scope
    2. Definitions
    3. Designation, category and class
    4. Dimensions and tolerances
    5. Compound composition
    6. Pipe material
    7. Hydrostatic properties
    8. Physical and mechanical characteristics
    9. Marking
    Appendices
    A. Method for the determination of ovality
    B. Method for the determination of a toluene extract
        of carbon black
    C. Method for the measurement of the extinction
        coefficient of the cyclohexane extract of carbon
        black at lambda = 386 nm
    D. Method for the determination of volatile matter
        from carbon black
    E. Method for the determination of the long term hydro-
        static strength of pipe at 20 deg C
    F. Method of ageing for the resistance to weathering
        of unpigmented pipes
    G. Method for the determination of elongation at break
    Tables
    1. Pipe dimensions
    2. Coil diameters
    3. Melt flow rate tolerances
    4. Carbon black characteristics
    5. Hydrostatic pressure conditions
    6. Elongation at break
    7. Failure point distribution
    8. Values of Student's t distribution (upper 2 1/2 %
        points)
    9. Dimensions of punched test piece
    10. Number of strips for a given diameter of pipe
    11. Dimensions of machined test piece
    Figures
    1. Punched test piece
    2. Machined test piece

    Abstract - (Show below) - (Hide below)

    Requirements for composition, dimensions, performance and marking for polyethylene pipes in metric diameters for general purposes, including use in the food and chemical industries.

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

    Committee PRI/88
    Development Note Supersedes 82/53980 DC, BS 1973(1970) and BS 3796(1970). (11/2004)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    BS 864-5:1990 Capillary and compression tube fittings of copper and copper alloy Specification for compression fittings for polyethylene pipes with outside diameters to BS 5556
    BS 6700:1997 Specification for design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages
    BS 8301:1985 Code of practice for building drainage
    BS 8081:1989 Code of practice for ground anchorages

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

    BS 2782-3:Methods 320A to 320F:1976 Methods of testing plastics. Mechanical properties Tensile strength, elongation and elastic modulus
    BS 2782-0:1982 Methods of testing plastics Introduction
    BS 5293:1976 Methods for sampling and testing carbon black for use in the rubber industry
    BS 2782-11:Method 1101A:1981 Methods of testing plastics. Thermoplastics pipes, fittings and valves Measurement of dimensions of pipes
    BS 4728:1971 Method for determination of the resistance to constant internal pressure of thermoplastics pipe
    BS 2782-7 Method 720A:1979 Methods of testing plastics. Rheological properties Determination of melt flow rate of thermoplastics
    BS 2782-4 Method 452B:1978 Methods of testing plastics. Chemical properties Determination of carbon black content of polyolefin compound
    BS 5556:1978 Specification for general requirements for dimensions and pressure ratings for pipe of thermoplastics materials (metric series)
    BS 2782-8:Methods 823A and 823B:1978 Methods of testing plastics. Other properties Methods for the assessment of carbon black dispersion in polyethylene using a microscope
    BS 2782-11 Method 1102B:1981 Methods of testing plastics. Thermoplastics pipes, fittings and valves Longitudinal reversion of pipes: oven method
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