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PowerMag 1000 Auto-Potential Magnesium Anode Controller for Water Tanks

PowerMag 1000 Auto-Potential Magnesium Anode Controller for Water Tanks
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Farwest Corrosion Control Company is proud to introduce the first and only cathodic protection control system that automatically provides a constant, IR-Free potential for internal steel water reservoir surfaces using magnesium anodes.

The POWERMAG 1000 (U.S. Patent 7585397) requires no external power or batteries, yet provides controlled and regulated cathodic protection current for the internal surfaces of steel reservoirs with the use of sacrificial, magnesium anodes. Costs are reduced while optimizing cathodic protection levels. Benefits include:

  • Automatic Potential Control
  • IR-Free Cathodic Protection Readings
  • Eliminates Remote Potential Error
  • NSF-61 Compatible
  • Uses Sacrificial Magnesium Anodes
  • Prolongs Anode Life
  • Prevents Over-Voltage Protection Issues
  • No External Power Needed
  • 100% Green Technology
  • Simple to Install and Use
  • Compatible with NSF/ANSI 61 for Drinking Water
 


 
Ideal for remote tanks, where electrical power is not available.

Tank Coatings and Cathodic Protection

The effectiveness and durability of internal tank coatings have improved so much over the years that impressed current cathodic protection systems may no longer be the best alternative to protect the internal surfaces of a steel water reservoir. In fact, even automatically controlled rectifiers with the lowest rated current outputs have difficulty operating in the low current (milliamp range) and tend to be unstable and difficult to adjust at the low end of their operating range.

With low cathodic protection current requirements, a newly coated reservoir can be easily protected by a magnesium anode system when controlled by the POWERMAG 1000. This configuration automatically regulates the output of a magnesium anode system and eliminate any of the past “over voltage” issues seen with magnesium anodes.

Cathodic Protection Standards

AWWA and NACE standards suggest that tank-to-water potentials be maintained between -0.850V and -1.100V. Additionally, it is now common practice for cathodic protection designers to specify that all tank-to-water voltage potential measurements be “IR-Free”. The POWERMAG1000 does both. It automatically maintains the potential and delivers IR-Free measurements.

New Cathodic Protection Technolgoy

Using the newest digital technology, the POWERMAG 1000 provides the user the ability to operate an automatic, constant potential, IR-Free cathodic protection system using only sacrificial magnesium anodes. This eliminates the need for power-thirsty impressed current cathodic protection systems and related maintenance issues of an externally powered system.

Product Comparisons

System Features POWERMAG 1000 Other Controllers

Automatic Potential

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IR-Free Potential Readings

Yes No

Digital, Solid State Technology

Yes No

No Need for AC Power

Yes No

No Need for Batteries

Yes No

Remote Monitor Ready

Yes No