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ISO 11414:2009
Plastics pipes and fittings —
Preparation of polyethylene (PE) pipe/pipe
or pipe/fitting test piece assemblies by butt fusion
прийнято як національний стандарт
методом підтвердження за позначенням
ДСТУ ISO 11414:2019
(ISO 11414:2009, IDT)
Пластмасові труби та з’єднувальні деталі.
Підготування випробних зразків з’єднань поліетиленової (ПЕ) труби/труби чи труби/ з’єднувальної деталі, виконаних зварюванням встик
Plastics pipes and fittings — Preparation of polyethylene (PE) pipe/pipe or pipe/fitting test piece assemblies by butt fusion
Tubes et raccords en matières plastiques — Préparation d'éprouvettes
par assemblage tube/tube ou tube/raccord en polyéthylène (PE) par
soudage bout à bout
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 11414 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee SC 5, General properties of pipes, fittings and valves of plastic materials and their accessories — Test methods and basic specifications.
This second edition cancels and replaces the first edition (ISO 11414:1996), which has been technically revised.
Plastics pipes and fittings — Preparation of polyethylene (PE) ipe/pipe or pipe/fitting test piece assemblies by butt fusion
1 Scope
This International Standard specifies a method for preparing butt-fusion-jointed test piece assemblies between polyethylene (PE) pipes and spigot-ended fittings.
This International Standard specifies the assembly parameters involved, such as the ambient temperature, joint geometry and fusion parameters, taking into account the service condition limits specified in the relevant product standards, as well as the type of pipe to be used.
This International Standard is intended to enable the effect of site assembly variables on joint performance to be determined. The fusion-jointing procedures and parameters used in the field can differ from those in this International Standard, depending on the manufacturer's written procedures and/or local standards.
NOTE The assembly and fusion-jointing technique specified in this International Standard is applicable whatever the polyethylene resin employed, provided it is used in accordance with ISO/TR 11647[1]. Deviations from the fusion cycle
specified, in order to demonstrate joint performance, can be considered in accordance with the notes in Annexes A and B.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 4427-2, Plastics piping systems ʊ Polyethylene (PE) pipes and fittings for water supply ʊ Part 2: Pipes
ISO 4427-3, Plastics piping systems ʊ Polyethylene (PE) pipes and fittings for water supply ʊ Part 3: Fittings
ISO 4437, Buried polyethylene (PE) pipes for the supply of gaseous fuels — Metric series — Specifications
ISO 8085-2, Polyethylene fittings for use with polyethylene pipes for the supply of gaseous fuels — Metric series — Specifications — Part 2: Spigot fittings for butt fusion, for socket fusion using heated tools and for use with electrofusion fittings
ISO 12176-1, Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 1: Butt fusion
3 Symbols
3.1 Symbols used in more than one phase of the fusion-jointing cycle
en nominal pipe wall thickness
dn nominal external diameter of the pipe
p pressure applied to the butt-fusion joint interface
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