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Guides for inspection, robotics, data and visualization teams

Inspection Knowledge Hub

Technical notes for asset owners and inspection engineers working with robotic NDT, field data and reporting workflows.

Pressure vessel inspection14 min read|Oct 2, 2026

Pressure Vessel CUI Inspection in Vietnam

A valid UT reading at one opening leaves the neighboring jacketed shell unexamined. Use the vessel's CUI history to choose openings, verify thickness results and hand off the gaps.

  • Tie each proposed opening to a named vessel zone, credible water-entry path and inspection decision.
  • Photograph jacket and insulation as found; a stain or failed seal is a clue, not a wall-thickness result.
  • Map exposed coating and steel before cleaning, then record every change made for examination.
Illustration of an insulated horizontal pressure vessel with weathered jacket seams, a nozzle penetration and two saddle supports
Illustration of an aboveground steel storage-tank shell with visible courses, seams, appurtenances and weathered coating
Tank Integrity16 min read

Tank Shell UT Mapping in Vietnam

A tank-shell thickness spreadsheet is only as strong as its location record. Map every valid UT result—and every blocked or rejected location—to a named course, plate, elevation and permanent circumferential datum.

Storage tank shellsUT mapping
Illustration of a process-piping elbow with visible weld boundaries and weathered coating for UT thickness-mapping planning
NDT Methods16 min read

Piping Elbow UT Mapping in Vietnam

A straight-run thickness trend cannot speak for an unmeasured elbow. Give the fitting its own coordinate system, prove each UT response, expand around credible lows and report every surface the probe or crawler could not cover.

Piping elbowsWall thinning
Illustration of directional wear on the sootblower-facing side of tubes in a dense second-pass boiler bank
Boiler Inspection17 min read

Sootblower Erosion Inspection in Vietnam | Boiler-Tube UT

Sootblower and fly-ash erosion follow impact direction, not the easiest inspection route. Map the exposed tube faces, use remote visual evidence to target valid UT, and keep every blocked row or rejected response visible.

Sootblower erosionBoiler tubes
Illustration of repeatable ultrasonic thickness locations referenced from a fixed weld datum on industrial piping
Inspection data quality16 min read

UT Corrosion-Rate Trending in Vietnam

Before subtracting two UT readings, prove they describe the same metal under a compatible measurement setup. Control location, validity, coverage, physical changes and inspection history first.

UT corrosion trendingThickness monitoring
Illustration of localized corrosion where a process pipe rests on a steel support
Pipeline inspection16 min read

Pipe Support Corrosion Inspection: Vietnam

Plan pipe-support and trunnion corrosion inspections with focused visual checks, valid UT coverage, clear no-data zones and qualified follow-up.

Pipe support corrosionTrunnions
Illustration of an external floating-roof tank deck with pontoons, an access ladder, fittings, and standing water
Tank Integrity17 min read

External Floating-Roof Tank Inspection: Vietnam

Build a decision-ready external floating-roof inspection plan that separates visual observations, qualified UT readings, coverage gaps and roof-integrity decisions.

External floating roofTank roof inspection
Illustration of staining around a capped dead-leg branch on process piping
Pipeline inspection17 min read

Dead-Leg Corrosion Inspection in Vietnam | Robotic UT Mapping

A practical dead-leg corrosion inspection workflow for mapping risk features, UT coverage, valid readings and exclusions beyond sparse spot checks.

Dead-leg corrosionProcess piping
Illustration of sediment and coating wear across the submerged floor of a water tank
Underwater inspection17 min read

Underwater Tank Inspection: Vietnam | ROV + UT

A practical underwater tank inspection workflow using ROV video, local cleaning and UT spot readings, with clear coverage and hygiene controls.

Water tank inspectionUnderwater visual inspection
Illustration of weld seams, nozzles, and surface wear inside a steel pressure vessel
NDT Methods15 min read

Internal Pressure Vessel Inspection in Vietnam | RVI and UT

Plan internal pressure vessel inspection with MagRover RVI and UT gridding, including data quality, safety limits and underground-vessel considerations.

Pressure vessel inspectionRemote visual inspection

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