Superheater, Reheater, and Economizer Services

Protecting upper furnace components with superheater, reheater, and economizer services

With over 30 years of experience, WSI is a leading expert in safeguarding upper furnace components subjected to harsh corrosive and erosive conditions. Our patented Unifuse 360^® technology provides unparalleled protection to superheaters, reheaters, and economizers. With the industry’s largest installed base, our technology has a solid track record of reliability, successfully preserving hundreds of boilers worldwide.

A unique, cost-effective solution for superheater, reheater, and economizer repair

WSI’s Unifuse 360 technology features a fully fused welded bond between the corrosion-resistant overlay material and the tube base material. This patented welding process creates a fully tempered heat-affected zone, allowing the tube to be bent to its final configuration after the coating application. The bond quality achieved with Unifuse 360 is significantly superior to other methods, such as coextruded tubes and tubes heat-treated after overlay application.

Tailored manufacturing for maximum protection

Unifuse 360 can be manufactured in small batches using corrosion-resistant alloys specifically tailored to the corrosive environment of your boiler. This flexibility ensures that the protective overlays are optimized for each boiler’s unique conditions. The technology’s reliability has been proven over decades, offering successful protection for hundreds of boilers around the world.

Leading expert with automated weld overlay technology for upper furnace components

Upper furnace components in boilers face some of the most challenging erosive and corrosive environments. Exposed to flue gas corrosion products and higher operating temperatures than other components like waterwalls, these critical elements also endure high-velocity flue gas particulates due to the area reduction typically designed into the units.

WSI’s Unifuse 360 technology provides the highest level of protection for your superheater, reheater, and economizer services, ensuring operational efficiency and longevity in the toughest environments. Our expertise in superheater automated weld overlay, reheater machine weld overlay, and economizer weld overlay help prevent tube leaks and other common issues, offering comprehensive and reliable repair solutions.