Home  »  Services  »  Boiler Bank Tubes Inspection
 
  Drum to Drum Inspection of Boiler Bank Tubes

Carbon steel boiler tubes behind swage reductions are one of the toughest areas to inspect today. A technician (and plant operator) often relies on fixed-diameter RFT probes that are small enough to fit through the swage.

The requirement to fit through the swage precludes the use of segmented (array) probes. Instead, fixed-diameter probes will employ a single central detect to interrogate the entire circumference of the tube. The undersized detectors often result in poor defect resolution. The small probes also tend to tip and wobble, creating additional travel noise and reducing data quality even further.

The Russell Flexible/Collapsible Boiler Probe is an advanced Remote Field Probe with swage entry capability that enables NDE technicians to inspect the tubes behind swage reductions with maximum sensitivity.

The probe’s flexible design allows it to collapse through swage reductions and expand to nominal diameter behind the swage. The 3 inch probe, for example, has the ability to smoothly collapse down to 1.55” diameter.

By staggering the detector coils and separating them into two groups on each side of the probe’s exciter, the probe eliminates blind spots and provides full 360° coverage.

 

 

Literature

alt Collapsible Probe Brochure

 

view the VertiScan in action
 ;

     Press play to start video

     
 
low bred 11s cement tongue 5s cement tongue 5s jordan 5 cement tongue jordan 11 low bred jordan 11 low bred jordan 11 low bred jordan 11 low bred space jam 5s jordan 5 space jam jordan 5 cement tongue jordan 5 space jam jordan 5 space jam low bred 11s jordan 11 low bred jordan 5 space jam jordan 5 cement tongue jordan 5 space jam jordan 5 cement tongue jordan 5 cement tongue jordan 13 low bred Jordan retro 11 low bred 13s jordan 13 low bred Jordan retro 11 jordan 11 low citrus jordan 13 low bred jordan 13 low bred Jordan retro 11 Jordan retro 11 low bred 13s jordan 11 low citrus low citrus 11s low bred 13s low citrus 11s low bred 13s low citrus 11s jordan 13 low bred low bred 13s jordan 13 low bred