Invention Grant
US09052050B2 Valve device for the assembly in in-service pipelines and the assembly procedure of said device 有权
用于在役管道中的组装的阀装置以及所述装置的组装过程

Valve device for the assembly in in-service pipelines and the assembly procedure of said device
Abstract:
A valve device and assembly procedure thereof on a in-service pipeline by mounting an assembly that includes an operative subset, a deposit subset, and lateral sets which are assembled on a pipeline so that, without shutting down the pipeline service, the pipeline is perforated, and valve seats, included with the valve device, are displaced until the device is in-service, thus arranging the valve device to enable the control of the fluid circulation through the pipeline.
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