Cathodic Protection, Corrosion Monitoring, 

Mitigation, Control and Testing

 

 

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ENGINEERING AND DESIGN

Design
NACE certified Engineers design corrosion control/mitigation/monitoring systems.  With over 27 years of experience behind every design, you can count on the reliability of our systems.
    

        

        A galvanic sacrificial anode system uses an anode with a more "negative" electrochemical potential than the metallic structure being protected. To create cathodic protection,  the potential of the metallic surface is polarized more negative until it has a uniform potential. The polarization occurs due to the current flow from the anode to the cathode (structure) which is caused by the difference in electrochemical potential between the anode and the cathode.  When this is accomplished, the corrosion of the structure is greatly reduced or halted. The galvanic anode begins to corrode in place of the structure it is protecting and eventually  must be replaced. 

    Impressed Current

    Large structures or large amounts of pipeline require greater amounts of current.  Galvanic anodes do not provide an economically friendly way to produce complete protection. Impressed Current Cathodic Protection  systems use anodes connected to a DC power source, typically an AC powered rectifier. Anodes for these systems are tubular and solid rod shapes made of various specialized materials including graphite,  platinum and niobium coated wire.

INSTALLATION
We provide complete installation of all systems.  Systems will be installed by experienced, knowledgeable personnel under the supervision of a NACE Certified Cathodic Protection Specialist.  
 
Materials
Quality materials are provided for your small or large cathodic protection project.
 
Evaluations
The causes for corrosion on a pipeline or structure vary greatly.  Technically advanced tests should be performed to evaluate cause and cure for corroding structures and/or to determine necessary measures for prevention. After the tests are performed, we design and install the necessary system.
 

 

 

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GOUDY ENGINEERING, INC.

P.O. Box 18258 

Tucson, AZ  85731

(520) 298-1104 - Phone  (520) 721-9406 - Fax

goudyeng@theriver.com

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