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High Temperature Corrosion Mapping and Weld Inspections

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Non destructive testing capability up to 500°C (932F)

Page last modified
Friday, September 16, 2022 - 11:09

To reduce turnaround time and to increase plant availability, high temperature corrosion mapping and weld inspection capability with advanced ultrasound techniques is available for inspections up to 485 °C (905F) when the plant is online. High Temperature PAUT and TOFD are specialist Non Intrusive Inspection techniques, which enable the equipment to be inspected while in operation (on-stream).

The technology is standardized and ready to go for inspections up to 350 °C (662F). Above this temperature, preparation time will take from a few hours to a few days.

Inspection of partly filled “golden” welds at pre-heat temperature can avoid extension of your turnaround.

High temperature non-intrusive inspections (NII) are aimed to reduce turnaround duration and minimize risk of unplanned shutdowns.

Pro/con

Reduction turnaround duration
Avoiding unplanned shutdowns
Online monitoring of indications
Execution of regular inspections outside shutdown
Increased plant safety
Strict safety pre-cautions
Non Intrusive inspection (NII)

Specification

Accuracy Similar as regular inspections at ambient temperature.
Areas of Application Non intrusive inspections | In-service inspections | Flaw detection | Defect monitoring | Corrosion assessment | Thickness testing with spot checking | Corrosion screening and monitoring under insulation with pulsed eddy current
ATEX certified No
Capabilities Up to 350 °C (662F) standardised. 350 °C (662F) till 485 °C (905F).
Certifications / licences Regular UT / NDT codes and standards.
Compliance ASME + EU codes and standards.
In-service inspection possible Yes
Inspection 6mm up to 250mm wall thickness.
Repeatability Similar as regular inspections at ambient temperature.
Temperature -150°C (-238F) till + 485°C (905F)
Nin Intrusive Inspection (NII) Enables weld examination while the plant is operating (on-stream)

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About TÜV Rheinland Sonovation

TÜV Rheinland Sonovation is a leading provider of advanced non-destructive testing services worldwide. We have been developing safe and sustainable solutions for the inspection challenges arising in the Oil, Gas & Petrochemical Industries for over 25 years.

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