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Corrosion coupons told the above property owners they had no corrosion problem.

In fact, most major corrosion disasters we document are due to years of operation where favorable coupon results contradicted even the most obvious evidence of a corrosion problem.

The CorrView^® corrosion monitor measures true wall loss inside the pipe itself, not in an isolated loop absent of most environmental factors. CorrView is installed directly into the piping system to provide a brilliant color change and warning after its predetermined metal surface corrodes away. Simple, low cost, and easy to install, CorrView's maintenance free design extends corrosion monitoring coverage.

CorrView is affected by all corrosion related forces such as particulate and abrasive content, flow rate, galvanic activity, electrical currents, under deposit pitting, and micro biological growths, etc. In effect, CorrView remains in place to act as a virtual "Pipe Fuse" - providing a bright visual warning indication after a preset amount of wall loss has been exceeded.

Published on 11 January 2012


Corrosion Trends American Welding Society - Understanding Pipe Corrosion Problems A piping system that satisfies service life demands requires the recognition of piping design vulnerabilities, effective corrosion monitoring, and the adoption of corrective measures. With corrosion related failures on the rise, advanced planning and an awareness of potential threats becomes more important.	Testing Procedures World Pipelines - Investigation vs. Procedure Substantially different findings are likely where ultrasonic pipe testing is approached as a forensic investigation based upon known system problems and vulnerabilities, rather than simply a linear based measurement procedure. A critical importance is understanding the inherent corrosion related problems to various piping systems.	Fire Sprinkler Corrosion Fire Protection Contractor - When Pipe Corrosion In a Fire Protection System Can Cost Lives The time to learn of a pipe corrosion problem is not during a true fire emergency when lives are in jeopardy. Thinner pipe, more corrosive steel, lower quality galvanizing, foreign pipe, dry systems, MIC - all are pushing toward higher internal corrosion deposits to render your fire protection system worthless.

Ultrasonic Testing Fluid Handling Systems - Finding The Remaining Service Life Ultrasonic testing is, by far, the most informative diagnostic method available for determining pipe status. An effective piping analysis is much more than a spreadsheet of a few wall thickness measurements - requiring careful statistical analysis and practical interpretation.	Pipe Corrosion World Pipelines - Multiple Metering And Monitoring Needs With no single form of corrosion monitoring capable of proving full coverage to the many different forms of pipe corrosion possible, multiple testing methods are always advised. These should include ultrasonic testing, spool pieces, LPR, regular internal inspection, and a close observance to the often obvious signs of a problem.


Fire System Failures Major Misconceptions Within The Fire Protection Industry From the use of thin wall schedule 7 pipe, to lower quality pipe products, to frequent flow testing which brings in new fresh water, clear reasons exist to explain the higher corrosion activity found at today's fire protection systems.	Corrosion Coupons What's Wrong With The Above Picture? Corrosion coupons reported a 0.3 MPY corrosion rate for 8 years where the actual rate exceeded 25 MPY. Believed implicitly in contrast to multiple leaks and failures, almost total destruction of the condenser water piping system was the result. A case history.	Corrosion Threats When Pipe Corrosion At A Fire Protection System Can Cost Lives The time to learn of a fire pipe corrosion problem is not during an actual fire emergency. Internal rust deposits can, and have, totally blocked water flow through the sprinkler heads - resulting in the loss of human life.

Ultrasonic Testing The Benefits of Ultrasonic Testing in Determining Corrosion Rate and Service Life Ultrasonic testing provides the most comprehensive and cost-effective tool to assess the condition and remaining service life of any piping system. Performed properly, ultrasound offers the first step toward identifying a potential corrosion problem, or for certifying a piping system as fit for service.	Corrosion Coupons The Benefits and Limitations of Corrosion Coupons Relied upon for decades as an indicator of corrosion activity within piping systems, corrosion coupons are highly unreliable in most examples, and totally worthless in others. Here is why.


Failure	Repair	Replacement

Unfortunately, the above is a very common progression of events for many of our our clients. Often, greater attention to chemical corrosion control and corrosion monitoring could have saved the system and avoided the problem. In others, a decades prior design flaw or poor choice of pipe supplier may be traced back as the primary fault.

During the 18 years that we have been involved in the field of ultrasonic pipe testing / corrosion monitoring, we have authored various Technical Bulletins for the benefit of our clients. These Technical Bulletins address frequent problem issues to any building owner or operator, and offer both insight as well as reasonable and proven solutions.

We offer below the various categories available, and continue to add new bulletins as time permits.

Current Categories

Corrosion Issues: Interior Rust Deposits, Common Threats, Corrosion Types, Winter Lay-Up, MIC, Corrosion Monitoring and Testing, CUI, Corrosion Coupon Failures, Rust Removal, Reducing Corrosion Threats

Fire Protection: Corrosion Threats, Design Misconceptions, Dry Fire Corrosion, Schedule 10 Pipe, Clogged Fire Systems

Maintenance Solutions: Heat Exchangers, Benefits of UT Testing, Chemical Treatment, Condenser Tube Coating, Mold Concerns, Chromate Removal, Growing Threat of Corrosion

Piping Threats: Schedule 40 Limitations, Piping Trends, Hidden Corrosion Threats, Dielectric Insulators, Clamped Piping, Piping Schedules

Water Filtration: Improving Heat Transfer Efficiency, Improving Filtering Efficiency, Filter Placement, Failure Causes, Filter Selectioon Considerations