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Ultrasonic Inspection Service

What we look for:

Boilers suffer from many forms of degradation while in service. Water Wall tubes can degrade due to hydrogen damage, pitting, ash and soot-blower erosion, graphitization, under-deposit corrosion, thermal fatigue cracking and creep damage. Our ultrasonic and visual inspections detect all these forms of boiler damage through precise and accurate testing.

How we do it:

Utilizing high quality ultrasonic testing, inspectors utilize robots to gather thickness data around the complete surface of each water wall tube. We can service water wall tubes ranging from 1.5” to 3.5” in outer diameter. Measurements are collected at different angles by an array of eight ultrasonic sensors. With variable speeds up to 12 inches/second, our robots are equipped with a camera allowing for real time video surveillance. Measurements are calibrated and compared with handheld scanner readings to ensure the highest accuracy.

Actionable Results:

  • Real-Time Tube Wear (Ultrasonic thickness data map).
  • Real-Time HD Video and Visual Inspection.
  • Inspection report with repair recommendations made available immediately.


Gecko Robotics services power generating boilers during both Planned and Unplanned Outages.

Gecko Robotics performs rapid inspections of the water walls within boilers by integrating high quality ultrasonic testing and real-time HD video and camera with proprietary wall-climbing technology and software platform.

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