Ultrasonic Testing

Ultrasonic flaw detectors and phased array systems are widely used for monitoring the integrity of pipes, tanks, heat exchangers, and structural metals throughout the energy and chemical industries, including detection of hydrogen cracking and similar forms of intergranular weakening, and for pipeline weld inspection. Phased array systems provide imaging capability as well as the potential for automated inspection with motorized fixturing. Hand-held ultrasonic thickness gages are widely used for corrosion monitoring.

Eddy Current Testing

Eddy current instruments are used in the oil and petrochemical industries primarily for the inspection of in service tubing, including tube bundles that are used for cooling processes. Often these tube bundles can be several thousand tubes, each of which must be inspected for pitting, cracking, wear, and corrosion, and eddy current makes this a relatively fast process. Eddy current array technology quickens the process even further. Eddy current array technologies are also being developed for detecting cracking, particularly chloride stress corrosion cracking.

Remote Visual Inspection

Videoscopes, fiberscopes and borescopes are used throughout many different types of plant, for instance in condenser tubes, heat exchangers and tubes, pipelines, steam and power turbines, pumps, gearboxes, compressors, boilers, headers and valves. Remote Visual Inspection equipment can be used for condition monitoring, by means of integral or optional photo-documentation systems, including advanced digital image management software, and by measurement via videoscopes and borescopes, allowing accurate assessment of defect length, width and depth.

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