RU94013405A - METHOD AND DEVICE FOR CONNECTING PIPES - Google Patents

METHOD AND DEVICE FOR CONNECTING PIPES

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Publication number
RU94013405A
RU94013405A RU94013405/06A RU94013405A RU94013405A RU 94013405 A RU94013405 A RU 94013405A RU 94013405/06 A RU94013405/06 A RU 94013405/06A RU 94013405 A RU94013405 A RU 94013405A RU 94013405 A RU94013405 A RU 94013405A
Authority
RU
Russia
Prior art keywords
coupling
pipes
connecting pipes
reheated
preheated
Prior art date
Application number
RU94013405/06A
Other languages
Russian (ru)
Inventor
Д.И. Богданов
Л.Н. Мосягина
Original Assignee
Акционерное общество открытого типа "Техводстрой"
Filing date
Publication date
Application filed by Акционерное общество открытого типа "Техводстрой" filed Critical Акционерное общество открытого типа "Техводстрой"
Publication of RU94013405A publication Critical patent/RU94013405A/en

Links

Claims (1)

Изобретение относится к соединениям в напорных магистралях, в частности к неразъемным соединениям труб. Технической задачей изобретения является повышение надежности и снижение стоимости соединения труб. Указанная техническая задача достигается тем, что в способе соединения труб с помощью муфты перед установкой муфты ее предварительно нагревают до 125 - 130oС и увеличивают ее внутренний диаметр. На концы труб с натягом одевают уплотнения. После установки муфты ее повторно нагревают до 120 - 125o. Кроме того, муфта выполнена из полиэтилена, а соотношение наружных диаметров труб и муфты составляет 0,95 - 0,99.The invention relates to compounds in pressure lines, in particular to the permanent pipe connections. An object of the invention is to increase reliability and reduce the cost of connecting pipes. This technical problem is achieved by the fact that in the method of connecting pipes with a coupling, before installing the coupling, it is preheated to 125-130 o C and its internal diameter is increased. At the ends of pipes with tightness wear seals. After installation, the coupling is reheated to 120-125 o . In addition, the coupling is made of polyethylene, and the ratio of the outer diameters of pipes and couplings is 0.95 - 0.99.
RU94013405/06A 1994-04-18 METHOD AND DEVICE FOR CONNECTING PIPES RU94013405A (en)

Publications (1)

Publication Number Publication Date
RU94013405A true RU94013405A (en) 1996-01-20

Family

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