Guided Wave Testing

Guided Wave Testing
ATS' Guided Wave Testing (GWT) Services

Applied Technical Services, Inc. (ATS) provides guided wave testing as a productive and efficient method for effective pipeline surveying by applying low-frequency ultrasonic waves originating from a single test location. Axial or circumferential cracks and corrosion loss in above ground storage tanks, insulated and buried pipes can be identified in addition to their estimated location and size using this technique.

As a time-saving measure in reducing cost, guided wave testing allows ultrasonic inspection and evaluation of large sections of pipeline which may include insulated pipes that can remain unaltered while staying in service without the need to remove contents from the lines as a beneficial result. In addition, stress cracks can be identified in above ground storage tank steel plates for multipliable use.

Structural Health Monitoring (SHM):

ATS can implement structural health monitoring (SMH) for fixed installation for continual and long-interval data-collection and detection monitoring in wide-ranging areas.

Guided Wave Testing Detects Flaws In:
  • Buried anchor rods
  • Heat exchanger tubing
  • Metal structures
  • Pipelines
  • Steel Cabling
Capabilities:
  • Ability to inspect underground piping, pipelines and insulated pipes for internal or external corrosion and cracks.
  • Pipe size outside diameter for inspection range from 0.25-inch to 60-inch.
  • Operating frequency range between 8 kHz to 250 kHz; at higher frequencies it can lower the near-field zone as well as the dead zone at less than 0.5 ft.
  • Test above ground tanks and pressure vessels for stress cracking.
Industries Best Served by This Method:
  • Petrochemical
  • Industrial plants

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