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Ceramic Coatings for Process Tubes

Process Tube Oxidation, Corrosion and Carburization Protection

Eliminate scaling on process tubes with Cetek coatings.

Is your fired heater limited by bridge wall temperature, tube metal temperature or firing duty? The cause could be excessive fouling/scale formation on the radiant tubes. Cetek’s Tube-Coat service addresses all these issues and brings the tubes back to an as-new condition. The High Emissivity Ceramic Coatings ensure that the tubes remain in this clean state for an extended period of time.

Cetek Ceramic Coatings provide a durable, protective, thin-film layer on the outer surfaces of process tubes, which prevents oxidation, corrosion, and carburization of the metal and maintains the tube thermal conductivity coefficient close to new tube conditions.

Oxidation and scale formation on the outer surfaces of process tubes reduces conductive heat transfer, resulting in low production rates and/or excessive fuel consumption. Cetek’s High Emissivity Ceramic Coating system ensures optimum maximum conductive heat transfer for the process.

Layers of fouling/scale prevent accurate determination of tube metal temperature, reducing the reliability of those measurements. Because the thin layer of Ceramic Coating provides a consistent temperature differential between the outside surface and the metal tube, the reliability of tube metal temperature determination is improved significantly.

Corrosion and carburization result in metal loss and reduced service life. Cetek’s coatings provide significant benefits in the form of:

  • Typical productivity benefits of 4% to 10%
  • Fuel Savings
  • Production Increases
  • Decreased BWT
  • Increased Tube Life / Reliability
  • Rapid payback on investment

The coatings are applied by Cetek’s highly trained, experienced technicians, following thorough cleaning of the tube surfaces. Coating systems are available for every type of metal substrate and process temperature.

The coating application may be applied in-situ, to tubes already installed in heaters, or to new tubes at Cetek’s facility, or at a remote site. In the latter cases, coated tubes may be placed in storage until needed.

The coatings are inert, non-catalytic, and water-based, offering a complete environmentally safe process improvement.

The service is supported by a superior Health & Safety Program, yielding a safety record better than industry standards.

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