Corrosion Protection for Heat Exchanger

Corrosion Protection for Heat Exchanger

Devcon offers a range of metal repair putties & ceramic coatings for the repair and protection of crucial equipment, notably heat exchangers. These solutions extend to safeguarding components like tube sheets, water boxes, flange faces, division bars, and end covers against galvanic corrosion and chemical damage. The use of our cold-curing epoxy products allows for quick, on-site application, minimizing downtime while ensuring lasting defense against erosion and corrosion. What sets Devcon apart is its materials' exceptional electrical insulation properties, effectively isolating dissimilar metals within heat exchangers and preventing galvanic corrosion.

Heat Exchanger Restoration & Protection

Heat exchangers can undergo effective repair using a combination of Devcon metal putty and ceramic materials. This repair approach accomplishes several essential objectives:

Long-term Erosion and Corrosion Resistance: By using these materials, heat exchanger components can regain their original profile while gaining enhanced resistance to erosion and corrosion over an extended period.

Elimination of Galvanic Corrosion: These materials effectively isolate dissimilar metals, preventing galvanic corrosion, which can significantly impact heat exchanger performance and durability.

Prevention of Crevice Corrosion: The use of these materials helps prevent crevice corrosion, a common issue in heat exchanger components that can compromise their integrity.

Minimization of Equipment Downtime: The repair process with metal putty and ceramic materials can be efficiently carried out in situ, reducing the need for extended downtime or equipment removal.

High-Temperature Resistance: These materials offer excellent high-temperature resistance, ensuring the repaired components can withstand the demanding thermal conditions within heat exchangers.

Outstanding Chemical Resistance: They exhibit exceptional resistance to a wide range of chemicals, making them suitable for heat exchanger environments where exposure to corrosive substances is a concern.

Elimination of the Need for Hot Work: Repairing heat exchangers with these materials eliminates the necessity for hot work processes, reducing safety risks and minimizing downtime.

Reduction in Expensive Replacement Costs: Repairing rather than replacing heat exchanger components can result in significant cost savings, especially for critical industrial equipment.

Extension of Equipment Life: By restoring components to their original profile and enhancing their resistance to various forms of corrosion, these materials contribute to extending the overall service life of heat exchangers.

Devcon metal repair putty is renowned for its exceptional performance across a wide range of service conditions. In the context of heat exchanger maintenance, Devcon Plastic Steel Putty is a trusted choice for general repairs to critical components like tube sheets, flange faces, water boxes, and end covers. For areas that experience high levels of erosion and corrosion, Devcon Brushable Ceramic Blue provides an effective coating solution with temperature range up to 350°F (176°C).

In summary, the use of Devcon metal putty and ceramic coating in heat exchanger repair not only restores components but also delivers crucial performance benefits, cost savings, and increased equipment longevity.


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