Guided Wave Ultrasonic Testing

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Guided Wave Ultrasonic Testing

Maximize Efficiency with TechCorr's Guided Wave Ultrasonic Testing (GWUT). Our Advanced NDT Group employs GWUT to remotely analyze assets for corrosion and flaws over long distances without shutdowns. Contact us to discuss your project or schedule an inspection today.
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Guided Wave Ultrasonic Testing (GWUT), Testing powerful non-destructive testing (NDT) technique utilized by TechCorr's Advanced NDT

Guided Wave Ultrasonic Testing (GWUT), also referred to as long-range ultrasonic testing (LRUT), is a powerful non-destructive testing (NDT) technique utilized by TechCorr's Advanced NDT Group for assessing the integrity of assets such as pipelines, chiller systems, fire suppression piping, and solid rods. GWUT employs mechanical stress waves that travel along the length of a structure, guided by its boundaries, allowing for remote inspection over considerable distances with minimal energy loss. The technique involves the deployment of portable field equipment consisting of three primary components: the transducer ring, the inspection instrument, and the controlling computer.
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Streamline Project Success with
Comprehensive Reporting

All inspections and findings are meticulously documented in a comprehensive electronic report. This report includes summarized recommendations, calculations, API checklist items, CAD drawings, and high-quality photos, providing you with clear insights into the condition of your assets.

A Cornerstone of Tank Inspection

  • Application Capabilities
  • How it Works

GWUT offers a wide range of applications, including inspection of buried and insulated pipes, anchor rods, boiler tubes, and road and rail crossings. Its capabilities include the inspection of 100% of the pipe or rod volume, rapid identification of corrosion damage in buried or covered structures, detection of corrosion and other defects, monitoring for corrosion over time, and the collection of corrosion data in difficult-to-access areas. By providing comprehensive coverage of the pipe wall without the need for insulation or coating removal, GWUT enables rapid screening of assets, allowing for quick identification of areas requiring further inspection using complementary NDT techniques. 

Transducer rings are affixed to the external surface of the structure, facilitating the coupling of piezoelectric transducer elements to the pipe or rod under inspection. This setup enables the examination of long lengths of pipe or rod from a single location, making it particularly suitable for inspecting challenging areas such as buried or insulated piping with ease and minimal surface preparation.