Diversified Project Services International (DPSI)’s Mechanical Integrity Division has a wide range of services available. One of the services we take pride in offering is Phased Array (PAUT).
Some of the industries that are best served by phased array technology are; oil and gas pipelines, storage tank facilities, fabrication, water facilities, power plants, railroad, and structural.
High-resolution discontinuities and ultrasonic thickness mapping of complex shapes with changing geometries, such as elbows, is very challenging. To address such applications, a variety of phased array probes and scanners can be used to access restricted areas.
Some advantages of Phased Array or PAUT, are the following:
Quicker set up, test cycles, and reporting
Digital record that is easily accessible with the ability to share data via email
No radioactive source or additional safety hazard involved
Ability to test in-service/product filled assets
Does not affect plant equipment such as sensors and level indicators
Ability to size multiple planes
Better accuracy for flaw location
Better sensitivity to planar flaws which are more detrimental to the part
No barricades or removal of personnel during inspection
Ability to focus at different depths electronically
Complete weld coverage inspections
The non-intrusive capabilities of this scanning technology can be quite an asset during a down production tie-in or shutdown scenario by saving very valuable time. A qualified Phased Array technician possesses the ability to analyze data real-time to provide a pass/fail result within minutes of the scan being completed.
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