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Advanced Testing Methods

Advanced Ultrasonic Testing Methods


CorrView International, LLC provides a superior level of ultrasonic testing and reporting, as well document on this Internet site.  Our standard level of random spot testing of piping systems is the recommended starting point to identifying the condition of any piping system, and in most examples is the only investigation necessary to resolve the issue.

Further questions do develop, however, which may require additional investigative tools such as remote visual inspection (RVI), metallurgical lab analysis, outside corrosion experts, and microbiological culturing.

We offer two additional and much higher level ultrasonic services which will be soon further detailed on this site.  Both methods provide a focused look at selective areas of pipe in response to a specific concern or to allow repetitive monitoring of pipe conditions.

 

Fixed Point Template


 

 

A customized plastic form or "template" is permanently bonded to a section of pipe defining a specific area of interest.  Using a new generation of ultrasonic instrumentation, we can accurately measure and record 150,000 or more wall thickness measurements in this small area to provide a three dimensional map and virtual photograph of the pipe's interior surface.

A detailed report is provided defining current conditions, and upon which future ultrasonic testing at the same fixed and unmoveable location of pipe can provide a definitive and undisputable corrosion rate analysis.  It is the ultimately accurate measure of wall loss and corrosion rate based upon true wall loss at the pipe wall itself.

The very competitive cost of this testing program allows multiple corrosion monitoring stations in the most appropriate but always most impossible locations - such as dead end piping, crossovers, seasonal lines such as for heat exchangers, and main 24/7 service lines.

This higher level investigation is especially well suited for new construction and to establish a baseline of pipe wall conditions prior to the introduction of water, and during the traditionally highest period of corrosion loss to any new piping system - the start-up and commissioning period.

   

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Pipe Mapping

 

A standard ultrasonic testing survey will often identify one or more areas of higher threat - such as an area of deep pitting at the bottom of a low flow run, deep wall loss at the bottom of a dry fire line, or the water line deterioration at a water storage tank. 

With lower wall thickness defining the production of rust, substantial interior deposits known as "tuberculation" will exist to further accelerate corrosion activity.  In many examples, the presence of one area of deep pitting suggests other nearby problem areas.

Computer mapping any area of pipe is now possible by taking an ultrasonic wall thickness measurement every 0.005 in. in any given area.  Physically impossible by human hands, robotically automated measurement of 200,000 or more wall thickness measurements will provide a highly detailed three dimensional image of the internal surface equivalent in detail to having the pipe cut out and inspected.

 

Please feel free to contact CorrView International, LLC at any time relating to any corrosion problem, or to any interest related to this Internet site.

 

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CorrView International, LLC

P.O. Box 8513
Landing, NJ  07850
www.corrview.com
Ph:    973-770-7764
Fax:  973-770-6576

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