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The UltraWave LRT uses guided wave technology and excites low-frequency
ultrasonic waves that travel lengthwise over tens of meters along a pipe,
detecting wall thickness variations. The system is ideal to screen in-service pipes
and pipelines, and to inspect limited access pipes from a single inspection
position. It includes advanced software, acquisition unit, touch screen laptop,
and compact probes with bands and bladders.
Offering the capacity to screen in-service pipes and pipeline over long distances,
guided wave inspection is used to localize areas of concern on above-ground
conventional structures and for advanced applications such as buried, insulated,
coated, and vertical pipes. This technology also detects corrosion at supports,
clamps, and pipe racks.
Guided wave technology can perform inspections on pipes with limited access. It
pinpoints locations that require further inspection, avoiding unnecessary
excavation, coating removal, or scaffolding, if no flaw is detected. The use of this
technology helps provide a significant reduction in operating costs and is
considered an inspection solution for unpiggable pipes.
Guided Wave Technology
Guided wave technology is a nondestructive testing method used to locate
potential degradation, such as internal or external corrosion and metal loss.
While conventional UT provides localized inspection, underneath or in the vicinity
of the sensor location, guided waves are able to screen the entire pipe wall, over
tens of meters, from a single inspection position. Then, prove-up inspection only
needs to be conducted at the specific indication position. Combined with other
NDT techniques, a guided wave system will help to maximize the efficiency of a
corrosion management program, without compromising data quality.
Conventional UT provides localized inspection, underneath or in the vicinity of
the sensor location. Guided wave inspection allows for the entire pipe wall to be
screened over tens of meters from each side of the probe collar location.
Advantages of Guided Waves
High productivity inspection with long-range coverage and rapid screening.
Ability to scan pipes with limited access, such as buried, coated, insulated and
through wall pipes, leading to cost reduction for excavation and insulation
UltraWave LRT System
The UltraWave LRT system excites low-frequency ultrasonic waves that
propagate in the axial direction of the pipe, from both sides of the probe collar.
Various factors influence the maximum inspection distance: the pipe
configuration and environment, the type of fluid inside the structure, and the
type of coating. The propagated torsional waves detect general variations in the
total cross-sectional area of pipe, as well as changes in the material properties.