Patent ID: 9297487
Filing Date: 2016-03-29
CPC Classification: F16K,F16L,Y10T

Claim Text:
1. A method of installing a valve in an existing pipeline, the method comprising: attaching a sleeve about the pipeline; filling an annular space between the sleeve and the pipeline with a solidifiable material; solidifying the solidifiable material within the annular space to form a solidified material; attaching a temporary valve to the sleeve; machining a cylindrical hole through the solidified material and through a section of the pipeline; removing the section of the pipeline from the sleeve; attaching a valve insertion apparatus including a pressurized chamber containing a valve cartridge to the temporary valve attached to the sleeve; and replacing the removed section of the pipeline with the valve cartridge sized to replace the removed section, the valve cartridge including a full port valve opening having an opening diameter corresponding to a diameter of the pipeline.