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Hot tap machine and orange valve connected to a pipe in an excavation

Live-line connections

Hot Tapping 101: Connecting to a Pressurized Pipeline

A field-oriented introduction to the components, planning inputs, sequence, and limits behind a live-line branch connection.

Services 101

Every line needs its own plan.

This overview describes the method. Koppl reviews the line conditions and required work before selecting equipment and procedures.

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What hot tapping does

Hot tapping creates an opening and branch connection with the qualified pipeline still pressurized and operating. A typical setup combines a tapping fitting, an isolation valve, and a tapping machine selected for the line and connection geometry.

The inputs that shape the method

Pipe material, outside diameter, wall thickness, operating pressure, temperature, media, connection size, access, and required orientation all influence the fitting and machine plan. Existing coatings, reinforcement, corrosion, and concrete-cylinder construction can add further controls.

How the cut is controlled

After the fitting and valve are installed and tested, the cutter advances through the open valve. A wired pilot drill retains the coupon. Once the cut is complete, the cutter and coupon retract beyond the valve gate so the valve can be closed and the machine removed.

Where technical review matters

Published capability is not an automatic project approval. The actual line data, condition, media, equipment configuration, fitting design, procedures, and site controls must be reviewed before work is scheduled.

What to send Koppl

Share the pipe size, material, wall thickness if known, operating pressure and temperature, media, line location, access, timing, and the work that needs to happen. Include current photographs and drawings.

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Services 101

Related service overviews.

Start with what you know

Talk to Koppl about your line.

Share the line conditions and work you need completed. Koppl's crew can help identify the next step.