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Tests of Powered Anode Rod (ICCP System)

If you are visiting this page, it is certainly because you have discovered imposed current anodes or because you want to know more about cathodic protection. We frequently respond to erroneous information due to a lack of knowledge or due to the association with atmospheric corrosion, which is different from the corrosion in an area where the oxygen level is weak, like in water or in soil.

Cathodic protection is regulated.

In order to provide an effective cathodic protection system to protect a structure such as a residential hot water tank, it is important to ensure a level of polarization of the structure so that the corrosion is permanently neutralized. 

The oil and gas industries are standardized and must follow protection criteria established by organizations such as NACE or CERFRACOR to continue operating in their respective domain. These organizations train and certify personnel working in the field and show them methods and practices which allow them to effectively control the external corrosion systems of metal pipes which are buried or submerged.  These methods and practices are equally applicable to many other subterranean or submerged metallic structures.

For your information, here is the RP0169-2000 standard which requires compliance with at least one of the following two criteria:

The residual potential must be at least negative -850 mV or more for the metal structure, compared to a copper reference/copper sulfate electrode.  The potential must be read when the power source is applied.   In addition, the analysis of the collected data must take into account the drop-in tension during an instant shutdown called “off”. 

or

The second criterion stipulates that the protection difference between potential readings, which say “static” and “instant”, must be higher than 100 mV. 

The CORRO-PROTEC anode system meets these effectiveness criteria.  The tests and design studies were made on more than 350 tanks of all brands, before being marketed.

Imposed current anodes have a determined duration of determined life span. 

The effective life span test was done in an independent laboratory recognized by NACE. 

The effective life span of the CORRO-PROTEC cathodic protection system was subjected to aging tests in compliance with the NACE TM0108-2008 regulation standard and supervised by a level 4 NACE CP specialist

The CORRO-PROTEC systems were submitted to this test in 2010 by the DNV GL Laboratory in Columbus, Ohio.  The results determined that the imposed current anodes are designed for an effective durationof more than 20 years, regardless of the condition of the water in which they are used.

The materials used are of the greatest importance.

As well, in order to maintain the high level of quality of our products, more tests are carried out:

X-ray test of the MMO anode coating

In order to ensure the density of the MMO coating on the anode, x-ray tests are carried out to highlight the uniformity of the coating layer on the titanium substrate.

Surface test

A comprehensive test to verify that the coating is smooth, black, and without any scratches to the naked eye.

Sealing Test

The anodes are subjected to pressures up to 340 PSI in order to ensure their water tightness and reliability.

Rectifier

In addition, the rectifiers used by CORRO-PROTEC have been tested and approved by different organizations such as ETL and CE. Our current rectifiers are compliant with the following standards:

Our anodes have been manufactured and tested for over 12 years, using rigorous and constant procedures in order to offer you a more reliable product.  Since we continually perform quality testing, we can offer one of the best imposed anode currents on the market.  

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3 Comments

  1. Eric Sobocinski on September 4, 2019 at 4:45 pm

    Hello.

    I am a potential residential water heater customer. It seems from the installation instructions that the Corro-Protec water heater powered anode has an indicator light on its rectifier. Does that light indicate proper function or does it merely indicate power?

    I ask because I currently have a competitor’s product that has failed twice in two years (under warranty). The second time it has failed, it’s indicator light has remained on even though there is no voltage at all (not even a millivolt) to the tank leads. I want to make sure that my next powered anode has an indicator light that actually verifies that the anode is working.

    Thanks for your information

    • Corro-Protec on September 5, 2019 at 8:32 am

      Hello Eric,

      The green light indicates proper fonction of the system. By exemple, if you plug everything and there is no water inside your tank, the light won’t work because the system is not active.

      Hope this helps,

      Vincent

  2. Claude Kelley on August 11, 2019 at 1:10 pm

    Recently purchased and installed your product. I had used a aluminum/zinc anode in my previous tank and still had a bad smell for 24 years. About a week after installing a new hot water tank, the smell returned. After installing your powered anode in the new tank, the smell went completely away. The only problem I had was the same as noted in many of the comments. That was getting out the original anode. Even though the tank was new the original anode acted like it was welded in. After many tries with a large ratchet and a breaker bar with no luck, and a pneumatic impact wrench with no luck, I borrowed a 1200 PSI battery powered impact from my local tire dealer. That broke it loose and the rest was a breeze. Thanks.

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