Robotic Boiler Inspections
Moving beyond spot-checks to confident boiler reliability. GRITbotic delivers near-complete surface coverage — not guesswork.
The Spot-Check Fallacy
Traditional manual UT and straight-beam robotic systems capture less than 1% of the total furnace wall surface area. That's not inspection — that's guessing.
Manual & Straight-Beam UT Falls Short
Manual UT and robotic straight-beam UT can only deliver isolated thickness readings. They cannot identify:
- ✕ Hydrogen damage (invisible to thickness gauges)
- ✕ Thermal fatigue cracking
- ✕ Stress cracking
- ✕ Small pitting
- ✕ Complex metallurgical degradation within tube walls
The Real Cost of Guessing
If you aren't scanning continuously, you aren't inspecting — you're guessing. Spot-checking relies on pure luck to find localized degradation.
Per day — cost of a forced outage due to a tube leak
"If you aren't scanning continuously, you aren't inspecting — you're guessing."
The GRITBot Advantage
GRITBot is a revolutionary wall-climbing robot using Remote Field Testing (RFT) — a fundamentally superior technology that permeates the entire volumetric thickness of the tube, detecting complex degradation that straight-beam UT simply cannot see.
- Near 100% surface area coverage of scanned path
- Travels up to 15 ft/minute, scanning 5 tubes simultaneously
- Magnetically scales up to 200 feet in elevation
- Detects hydrogen damage, cracking, pitting & UDC — not just thickness
- Eliminates human risk in hazardous environments
Why GRITbotic Dominates Boiler Inspection
Advanced technology that eliminates barriers and delivers comprehensive insights in less time.
Minimal to No Prep Required
Works Without Water
Skip the water protocols—GRITBot operates dry, saving time and reducing operational complexity.
No Heavy Cleaning Required
Eliminate expensive pre-inspection cleaning cycles. GRITBot can inspect boilers as-is.
Works Over Scale & Slag
Inspects reliably over 1/4" of scale or slag buildup — no sandblasting or white metal surface prep required.
Minimal to No Scaffolding
Only needs deployment access — eliminates the $75,000–$100,000+ in scaffolding traditional UT requires just to access a fraction of the area.
Detects Everything
Complete Damage Detection
Identifies hydrogen damage, thermal fatigue cracking, stress cracking, pitting, creep, and UDC — flaws that straight-beam UT is completely blind to.
Precise Wall Thickness Measurement
Automatically calculates the percentage of wall thickness remaining for every scanned area — delivered as topographical heat maps, not just isolated spreadsheets.
Next-Day Data Processing
Analysis completed on average by next day — actionable insights fast, not weeks later.
to No Prep
Damage Types Detected
Average Data Turnaround
Tangent Tube Boilers?
Misaligned tangent tubes won't stop GRITBot. The robot inspects one tube at a time with precision, accessing hard-to-cover areas that traditional methods struggle with. No special rigging, no rework — just thorough coverage exactly where you need it.
The Boiler Inspection Paradigm Shift
See how GRITbotic compares to traditional Manual UT across every critical dimension.
| Category | Manual UT | GRITbotic |
|---|---|---|
| Surface Area Coverage | <1% / Statistical Guesswork | Near 100% of Scanned Path |
| Access Requirements | $100k+ Costly Scaffolding | Minimal to no scaffolding just for access |
| Surface Preparation | Bare Metal Sandblasting Required | Scale-Tolerant up to 1/4 inch |
| Complex Flaw Sensitivity | Blind to under-scale Hydrogen Damage & Fatigue | Highly Sensitive to internal/external degradation |
| Output Format | Isolated Numerical Spreadsheets | Topographical % Wall-Loss Heat Maps |
The Depth of an MRI. The Speed of an X-Ray.
GRITbotic provides the definitive truth about your boiler's health. Reducing surprises. Maximum uptime.
Eliminate Scaffolding Costs
Deploy immediately without the $100,000+ burden of erecting internal scaffolding or bare-metal sandblasting.
Prevent Forced Outages
Replace the blind spots of UT with continuous diagnostic mapping, eliminating the risk of $1M/day unexpected tube failures.
Extend Asset Life
Identify localized hydrogen damage and fatigue years before they cause catastrophic fishmouth ruptures.
Technical Specifications
Wall Coverage
Magnetically scales up to 200 feet in elevation, covering near 100% of the scanned path per inspection cycle with continuous real-time data streaming.
Multi-Tube Inspection
Travels up to 15 ft/minute scanning 5 tubes simultaneously — dramatically reducing total inspection duration and facility downtime.
RFT Technology
Remote Field Testing permeates the entire volumetric thickness of the tube — couplant-free, scale-tolerant, and blind to nothing traditional UT misses.
Inspection Process
Deployment & Setup
GRITBot is positioned at the boiler wall with minimal access requirements — minimal to no scaffolding, no sandblasting. Safety systems are activated and diagnostics confirm readiness.
Magnetic Ascent
The robot magnetically climbs the boiler wall, traveling up to 15 ft/minute while scanning 5 tubes simultaneously — continuous coverage, not spot-checks.
RFT Scanning
Remote Field Testing permeates the full volumetric thickness of each tube, capturing phase and amplitude changes to identify hydrogen damage, cracking, pitting, UDC, and more.
Data Processing
The system calculates precise percentage of wall loss from nominal thickness, delivering a continuous topographical heat map — green for healthy, red for degradation requiring intervention.
Comprehensive Reporting
Detailed report with wall-loss heat maps, defect locations, severity ratings, and actionable maintenance recommendations — delivered on average next day.
Continuous Reality: Heat Map Output
See exactly what GRITBotic delivers — topographical wall-loss heat maps showing complete surface coverage. Green = healthy nominal thickness. Red = localized degradation requiring intervention.
Unlike isolated spreadsheets from manual UT, every pixel represents a measurement. The continuous scanning reveals where degradation is actually happening — and where it isn't. This is confidence.
Inspection Deliverables
Ready to Inspect Smarter?
Stop guessing. Let GRITbotic give you the definitive truth about your boiler's health.
Schedule a Consultation