-Linestop fitting is bolted to pipe - contractor pours thrust blocks

- Temporary knife gate valve is then mounted- Hottap machinery bolted up and hottap is performed- Valve closed, tapping machine removed- Linestop equipment mounted and temporary plug isplaced down into the line-Blow-down test occurs through 2” assembly-Contractor begins their work

Installing the fitting

Machinery mounted to fitting through knife gate valve

Linestop machinery stays in place while pipeline modifications are being made

Once the linestopping head is placed down into the line, this is what you get:

Nearly 100% shutdown every time!!Nearly 100% shutdown every time!!

The pipe is left with a fitting capped off with a blind flange