AT-8 type Aluminum Anode for Water Ballast Tank
An AT-8 type aluminum anode is specifically designed for use in water ballast tanks, which are compartments within ships that hold water to provide stability and balance during voyages. Aluminum anodes are commonly used in marine environments for cathodic protection because they offer a good balance of effectiveness, cost, and longevity.
Overview
Key Features of AT-8 Type Aluminum Anode
Material Composition
The AT-8 type aluminum anode typically contains a mix of aluminum and trace amounts of other elements like zinc and indium. These alloying elements improve the anode’s electrochemical properties, making it more efficient and ensuring it activates correctly in seawater.
Electrochemical Efficiency
Aluminum anodes have a high current capacity, meaning they can protect a large surface area. They are more efficient than zinc anodes in terms of weight and performance.
Long Life Span
Due to their high efficiency, aluminum anodes tend to have a longer lifespan compared to other anode materials like magnesium. This reduces the frequency of anode replacement, which is beneficial for maintenance operations in ballast tanks.
Lower Density
Aluminum anodes are lighter than zinc or magnesium anodes, which can be advantageous in terms of handling and installation.
Picture of AT-8 type Aluminum Anode for Water Ballast Tank
