Curtiss Wright Nuclear
Panther™ Sets a New Pace for Ultra-fast Pipe Body Inspection
By: Eddyfi Technologies
Source: Eddyfi Technologies
When it comes to OCTG and line pipe testing, inspectors must be on the lookout for a number of flaws determined by international standards to help ensure the safe operation of pipelines. The ultrasonic testing system used to gather the data necessary for pipeline integrity validation must feature high sensitivity, repeatability, and productivity. Enter Panther™, the ultimate phased array and total focusing method imaging machine. This blog highlights how KARL DEUTSCH leverages the power of Eddyfi Technologies’ Panther instrument with their fully automated phased array ultrasonic testing solution for seamless pipe inspection. Special thanks to Jörn Bolten for his contributions to this article.

Most standards for ultrasonic testing (UT) of seamless pipe require the inspection of the following defect types:

Emerging longitudinal cracks (parallel to pipe axis), from internal and external surface Emerging transversal cracks (in the circumference of the pipe), from internal and external surface Lamination defects (parallel to the surface) and pipe wall thickness variations. In addition to these typical standards, oblique flaw testing for one or multiple defect orientations is recommended or required by international state-of-the-art standards for oil country tubular goods, more commonly referred to as OCTG, and line pipe testing.

High sensitivity, repeatability, and productivity of the UT testing system are key features for customers producing OCTG and line pipes. Depending on the inspection requirements, UT testing machines linear with rotational transport systems can be used - especially phased array technology which has demonstrated its capability to cope with the high-performance requirements previously mentioned.

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Mistras Group