RU2013138656A - METHOD FOR REPAIR OF A REGIONAL GAS PIPELINE - Google Patents

METHOD FOR REPAIR OF A REGIONAL GAS PIPELINE Download PDF

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Publication number
RU2013138656A
RU2013138656A RU2013138656/06A RU2013138656A RU2013138656A RU 2013138656 A RU2013138656 A RU 2013138656A RU 2013138656/06 A RU2013138656/06 A RU 2013138656/06A RU 2013138656 A RU2013138656 A RU 2013138656A RU 2013138656 A RU2013138656 A RU 2013138656A
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RU
Russia
Prior art keywords
width
washer
gas pipeline
washer ring
welded joint
Prior art date
Application number
RU2013138656/06A
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Russian (ru)
Other versions
RU2549281C2 (en
Inventor
Шамиль Гусманович Шарипов
Рустем Ринатович Усманов
Михаил Владимирович Чучкалов
Роберт Марагимович Аскаров
Саяфетдин Минигуллович Файзуллин
Ильдар Равилевич Алабердин
Original Assignee
Общество с ограниченной ответственностью "Газпром трансгаз Уфа"
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Application filed by Общество с ограниченной ответственностью "Газпром трансгаз Уфа" filed Critical Общество с ограниченной ответственностью "Газпром трансгаз Уфа"
Priority to RU2013138656/06A priority Critical patent/RU2549281C2/en
Publication of RU2013138656A publication Critical patent/RU2013138656A/en
Application granted granted Critical
Publication of RU2549281C2 publication Critical patent/RU2549281C2/en

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Abstract

Способ ремонта регионального газопровода, изготовленного с подкладными кольцами, заключающийся в вырезке сварного стыка с подкладным кольцом, разделке кромок, «подтягивании» близлежащей трубы и сварке нового сварного стыка, отличающийся тем, что ширину вырезаемой катушки с каждой стороны от оси стыка ограничивают шириной, включающей половину ширины подкладного кольца с добавлением погрешности изготовления и установки, в сумме составляющих 30% ширины подкладного кольца, плюс 0,6 толщины стенки трубы со стороны реза.A method of repairing a regional gas pipeline made with washer rings, which consists in cutting a welded joint with a washer ring, cutting edges, “pulling” a nearby pipe and welding a new welded joint, characterized in that the width of the cut coil on each side of the joint axis is limited by a width including half the width of the washer ring with the addition of manufacturing and installation errors, amounting to 30% of the width of the washer ring, plus 0.6 of the pipe wall thickness on the cut side.

Claims (1)

Способ ремонта регионального газопровода, изготовленного с подкладными кольцами, заключающийся в вырезке сварного стыка с подкладным кольцом, разделке кромок, «подтягивании» близлежащей трубы и сварке нового сварного стыка, отличающийся тем, что ширину вырезаемой катушки с каждой стороны от оси стыка ограничивают шириной, включающей половину ширины подкладного кольца с добавлением погрешности изготовления и установки, в сумме составляющих 30% ширины подкладного кольца, плюс 0,6 толщины стенки трубы со стороны реза. A method of repairing a regional gas pipeline made with washer rings, which consists in cutting a welded joint with a washer ring, cutting edges, “pulling” a nearby pipe and welding a new welded joint, characterized in that the width of the cut coil on each side of the joint axis is limited by a width including half the width of the washer ring with the addition of manufacturing and installation errors, amounting to 30% of the width of the washer ring, plus 0.6 of the pipe wall thickness on the cut side.
RU2013138656/06A 2013-08-21 2013-08-21 Repair of regional gas line RU2549281C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2013138656/06A RU2549281C2 (en) 2013-08-21 2013-08-21 Repair of regional gas line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2013138656/06A RU2549281C2 (en) 2013-08-21 2013-08-21 Repair of regional gas line

Publications (2)

Publication Number Publication Date
RU2013138656A true RU2013138656A (en) 2015-02-27
RU2549281C2 RU2549281C2 (en) 2015-04-27

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RU2013138656/06A RU2549281C2 (en) 2013-08-21 2013-08-21 Repair of regional gas line

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2759272C1 (en) * 2021-01-14 2021-11-11 Акционерное общество "Атомэнергоремонт" Method for inderect welding of dn 800 pipe of multiple forced circulation loop of power units with rbmk-1000 reactor plant

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RU2549281C2 (en) 2015-04-27

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