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ESTEUT

Our Services

Corrosion

Cathodic Protection Engineering Services

ESTEUT supplies a full range of cathodic protection field testing and engineering services for corrosion control.

Cathodic Protection Installation Services

•    Deep Anode Ground Bed Installation
•    Deep Anode Ground Bed Abandonment
•    Conventional Anode Installation
•    Sacrificial Anode Installation
•    System Relocation & Repair
•    Custom Cathodic Protection Systems
•    Test Station & Monitoring Station Installation
•    Water Tank Systems
•    Oil Field Vessel Systems
•    Marine Systems
•    A/C Mitigation Systems

ESTEUT provides special surveys on pipelines and a variety of structures using a range of techniques including:
 
ECDA- External Corrosion Direct Assessment.
A assessment to evaluate buried onshore ferrous pipeline integrity. ECDA helps to manage the risk of pipeline corrosion failures and minimizing the cost required for excavations and repair.
 
DCVG- Direct Current Voltage Gradient.
A coating survey used for locating and sizing coating defects in cathodically protected buried pipeline.
 
CIPS- Close Interval Potential Survey.
A survey aimed at assessing the CP effectiveness over the entire length of the pipeline, in between the permanent test stations.
 
CDS- Current Drainage Survey.
A survey to determine current required to protect a new or existing buried pipeline before application of CP system.


PRODUCT


Anodes
ESTEUT provides a variety of aluminum, magnesium, zinc and mixed metal oxide cathodic protection system anodes for corrosion protection.

Impressed Current Anodes
Anodes designed for impressed current cathodic protection systems.From graphite to titanium, mesh to tubular, the following Impressed Current Anodes are designed for impressed current cathodic protection systems. These anodes are engineered for use in various environments. To learn more about an Anode, or to order, please contact us for more details.

Sacrificial Anodes
Sacrificial cathodic protection requires the periodic replacement of consumed anodes.  Whether aluminum, magnesium, or zinc, sacrificial anodes are used for sacrificial / galvanic cathodic protection systems.
Aluminum
Aluminum anodes have long been used in the fight against corrosion. Applications for aluminum anodes include ship hulls, tank interiors, offshore structures, submerged pipelines, piers, pilings, etc.
Magnesium
In cathodic protection, the most widely used sacrificial anodes are magnesium anodes. When high potential magnesium anodes are required for high current applications.
Zinc
Sacrificial zinc anodes made to ASTM-B-418 Type II specifications for corrosion protection of steel structures in soil. These anodes are made from 99.99% pure Special High Grade Zinc and are ideally suited for galvanic protection of metal in soil.

Due to the fact that zinc anodes have a lower driving voltage than that of magnesium, zinc anodes are typically used in low soil resistivity applications. Typical applications include buried pipelines, tanks and a number of other similar uses.
Zinc soil anodes can be vertically or horizontally installed in native soils and should be wetted before burial. The anode cable can either be connected directly to the structure or through a cathodic protection test station. Typical cable-to-structure connection methods include welding and mechanical attachment.

CUSTOM MADE TRANSFORMER RECTIFIER (T/R)
   - Air-cooled Type
   - Oil-cooled Type
   - Switch Type - SCR’s Transistorised Controlled Type
   - Manual Type  
   - Automatic Type