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BS 6730:1986

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by
withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for black polyethylene pipes up to nominal size 63 for above ground use for cold potable water
Available format(s)

Hardcopy , PDF

Withdrawn date

10-12-2010

Language(s)

English

Published date

28-11-1986

Publisher

British Standards Institution

Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Dimensions and tolerances
4. Compound composition
5. Physical properties
6. Type test requirements
7. 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. Conditioning
F. Method for the determination of induction
    temperature
G. Method for the preparation of test pieces for the
    determination of elongation at break
H. Method for the analysis of results from the
    determination of the long-term hydrostatic strength
    of pipe at 20 deg C
J. Quality control testing
Tables
1. Pipe dimensions
2. Out-of-square tolerances for ends
3. Coil diameters
4. Carbon black characteristics
5. Dimensions of punched test piece
6. Failure point distribution
7. Percentage points of Student's t distribution
    (upper 2 1/2 % points)
Figures
1. Types of failure
2. Example of DSC trace
3. Punched test piece

Small sizes of pipe in metric series diameters to complement use of pipes in accordance with BS 6572 where greater resistance to external light and weathering is required. Not for use below ground, to avoid confusion with buried power cables with black plastics sheathing.

Committee
PRI/88
DevelopmentNote
Supersedes BS 3284(1967), BS 1972(1967) & 84/40545 DC. (01/2011)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Withdrawn
SupersededBy
Supersedes

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 5502-25:1991 Buildings and structures for agriculture Code of practice for design and installation of services and facilities
BS 8000-15:1990 Workmanship on building sites Code of practice for hot and cold water services (domestic scale)

BS CP312-1(1973) : 1973 CODE OF PRACTICE FOR PLASTICS PIPEWORK (THERMOPLASTICS MATERIAL) - GENERAL PRINCIPLES AND CHOICE OF MATERIAL
BS 2782-3:Methods 320A to 320F:1976 Methods of testing plastics. Mechanical properties Tensile strength, elongation and elastic modulus
BS 2782-4:Method 434D:1975 Methods of testing plastics. Chemical properties Determination of antioxidants in polyolefin compounds by a spectrophotometric method
BS 5293:1976 Methods for sampling and testing carbon black for use in the rubber industry
BS CP312-3(1973) : 1973 CODE OF PRACTICE FOR PLASTICS PIPEWORK (THERMOPLASTICS MATERIAL) - POLYETHYLENE PIPES FOR THE CONVEYANCE OF LIQUIDS UNDER PRESSURE
BS 2782-4:Method 434B:1977 Methods of testing plastics. Chemical properties Determination of antioxidants in polyolefin compounds by ultra-violet absorption of the chloroform extract
BS 5750-2:1987 Quality systems Specification for production and installation
BS 2782-11:Method 1101A:1981 Methods of testing plastics. Thermoplastics pipes, fittings and valves Measurement of dimensions of pipes
BS 2782-4 Method 434C:1977 Methods of testing plastics. Chemical properties Determination of antioxidants in polyolefin compounds by ultra-violet absorption of the toluene/ethanol extract in ethanol solution
BS 4728:1971 Method for determination of the resistance to constant internal pressure of thermoplastics pipe
BS 6572:1985 Specification for blue polyethylene pipes up to nominal size 63 for below ground use for potable water
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

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