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  • BSI
    BS ISO 14531-3:2010 Plastics pipes and fittings. Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels. Metric series. Specifications - Fittings for mechanical jointing (including PE-X/metal transitions)
    Edition: 2011
    $411.69
    / user per year

Description of BS ISO 14531-3:2010 2011

This part of ISO 14531 specifies the physical properties and mechanical-performance requirements for full-end-load-resistant mechanical fittings for use in the connection of crosslinked polyethylene (PE-X) pipes conforming to ISO 14531-1 and in the construction of transition assemblies for joining PE-X pipes to metal pipes having plain spigot, screw thread, compression socket and flange terminations. In addition, it lays down dimensional requirements and specifies some general material properties (including chemical resistance) together with a classification scheme for PE-X fitting materials produced in the form of pipe.

This part of ISO 14531, when used in conjunction with the other parts of ISO 14531, provides the basis for the design, manufacture and installation of PE-X piping systems (PE-X pipes, PE-X fusion fittings and mechanical fittings) for the supply of category D and category E hydrocarbon-based fuels (see ISO 13623) at

  1. maximum operating pressures (MOPs) up to and including 16 bar1) and

  2. a maximum operating temperature of +60 °C and

  3. a minimum operating temperature of

    1. -50 °C;

    2. -35 °C;

    3. -20 °C.

Conformity to this part of ISO 14531-3 of mechanical fittings produced in accordance with ISO 10838-1, ISO 10838-2 or ISO 10838-3 may be claimed subject to the satisfactory conclusion of the tests listed in 5.6 and an end-use restriction on operating temperatures to the temperature range −20 °C to +40 °C.

NOTE It is recognized that mechanical fittings conforming to ISO 10838-1, ISO 10838-2 or ISO 10838-3 are limited to a maximum operating temperature of 40 °C. Provision is made in ISO 14531-4 for the use on a restricted-temperature basis of ISO 10838 fittings conforming to 5.6 in conjunction with PE-X pipes conforming to ISO 14531-1. The fitting manufacturer's technical file should also be consulted for relevant supporting information.

For installation purposes, this part of ISO 14531 provides for the jointing of mechanical fittings to PE-X pipes within the temperature range −5 °C to +40 °C.



Standard NumberBS ISO 14531-3:2010
TitlePlastics pipes and fittings. Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels. Metric series. Specifications - Fittings for mechanical jointing (including PE-X/metal transitions)
StatusConfirmed
Publication Date2011-01-31
ReplacesBS ISO 14531-3:2006
Identical National Standard OfISO 14531-3:2010
DescriptorsPipelines, Pipes, Plastic pipelines, Performance testing, Mechanical components, Pipe fittings, Gas-pipe fittings, Gas pipelines, Joints, Polyethylene, Plastics, Mechanical properties of materials, Cross-linked materials, Physical properties of materials, Gaseous fuels
ICS23.040.20 Plastics pipes, 23.040.45 Plastics fittings, 75.200 Petroleum products and natural gas handling equipment, 83.140.30 Plastics pipes and fittings for non fluid use
CommitteePRI/88/2
ISBN978 0 580 72194 6
PublisherBSI
Pages30

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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