LRGWUTLong Range Guided Wave Ultrasonic Testing (non-destructive testing)
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Using LRGWUT technology, the imperfections and areas of metal loss were accurately pinpointed (Graph).
For the second case, LRGWUT was used as part of a multi-year study to assess the overall state of integrity on more than 120 miles of a natural gas distribution system, of which approximately 10 miles were under paved surfaces with numerous road and rail crossings.
The LRGWUT technique was also used as a complementary technology in the Direct Assessment process at two cased road locations on an 8-inch coal tar-coated carbon dioxide pipeline in close proximity to a major urban area (Photo).