NVI NDT

Lixi, Inc.

Lixi, Inc. has created a unique portable pipe inspection instrument based on the Gad Scope technology. The Profiler was developed by Lixi as a very fast measuring tool to determine total wall thickness in pipes. For versatility in pipe inspection, these pipes can either have process fluid inside, with insulation outside or have process fluid, with no insulation on the pipe.

Pipe Inspection Problems

Refineries, chemical plants, electrical power plants and paper/pulp manufacturing facilities have MANY miles of pipe that are insulated to prevent heat loss or heat absorption. This insulation is often made up of several materials, with calcium based material being the most dense. The insulating material is usually wrapped with an aluminum or stainless steel outer wrap.The current method of determining wall thickness is radiography and ultrasound. Both pipe inspectiuon methods require lengthly time to acquire data, which all needs to be recorded manually with respect to pipe location for future analysis.

The drawbacks of the ultrasound method.

Requires removing and replacing a plug of insulation.
Surface must be cleaned.
Slow and expensive per meter.
The drawbacks of the x-ray method

Shows only a small area of pipe.
Requires that the area be roped off for radiation safety.
Slow and expensive per meter.


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With the Lixi Profiler the data can be seen instantly on screen. Pipe inspection can be performed on large lengths of pipe and the statistics will scroll on the monitor. The data scrolls can be monitored as the pipe is being inspected and/or the data can be transferred to another computer so that it can be viewed at a later date.
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