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Phased Array Ultrasonic Testing (PAUT) uses multi-element transducers to create and transmit ultrasonic beam fronts at a variety of angles simultaneously to identify and size defects across a variety of materials.

Phased array uses 16 to 128 elements (small transducers in one probe) to create ultrasonic beam fronts that encompass up to 40 different angles into the part under examination. This creates distinct advantages over conventional ultrasonics by giving the technician more coverage over the area interest. This enables inspections to be much faster and more efficient.

Phased Array Ultrasonic Testing is used all over the petrochemical industry as an alternative to radiography in the following codes:

  • ASME B31.1
  • ASME B31.3
  • ASME Section VIII
  • API 650
Phased Array
Increases Safety

Minimizes Inspection Time

Increases Accuracy

KEY ADVANTAGES:

  • Non-intrusive
  • Doesn’t affect plant equipment
  • Faster inspection times
  • Ability to size defect height, depth and length
  • Higher sensitivity to planar flaws
  • Better accuracy for flaw location
  • Ability to electronically focus at specific depths
  • Digital record that can be shared via email or network
  • No barricades or lost production during inspection
  • Eliminates all hazards associated with radiation

QUALIFICATION TESTING:

Each Amerapex certified technician must pass a practical examination that includes four test specimens. All Amerapex technicians also hold current QUPA certifications from the American Petroleum Institute (API).

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