Devcon Maintenance and Repair Solutions - Sintemar

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Field Application Reports Products: Application Date: Customer: Industry: Location 5 Coal Dust Valve Repair Titanium Putty / Brushable Ceramic 2/15/94 Canada Cement Lafarge Cement Manufacturing Problem: Fine coal dust particulate would cause extreme wear to the seal areas on this valve. Because the wear was 1/8”, the seal was compromised allowing coal dust to seep through the valve when in the closed position. Solution: The repair area was roughened using a grinder and wire wheel attachment. Repair area was then chemically cleaned using Cleaner Blend 300. A generous coating of release agent was applied to the butterfly valve. Titanium Putty was mixed and applied to the valve body, rebuilding the missing metal. The Titanium Putty was smoothed, sculpted and feathered using acetone. The butterfly valve with release agent applied, was closed and used as a forming mold. Following a 4 hour cure, the valve was opened. Three coats of Brushable Ceramic were applied totaling 25 mils. Brushable Ceramic encapsulated the repair areas and provided a long lasting, abrasion resistant protective surface coating.
Field Application Reports Products: Application Date: Customer: Industry: Location 6 Channel, Valve and Pipe Repair Ceramic Repair Repair / Brushable Ceramic 2/2/97 P. T. Badak Pertamina Petrochemical Liquid Natural Gas Manufacturing Problem: Vessel and exchanger channels, valves and piping would receive extreme corrosive damage from the process of manufacturing liquid natural gas. Each manufacturing train would be completely refitted every 3 years. Equipment and machinery replacement would not only be cost prohibitive, but would cause realignment and fitting problems when reassembled. Solution: All repair and coating surfaces were sandblasted to a SSPC-SP5 white metal finish. Complete repair areas were chemically cleaned using Cleaner Blend 300. All corroded areas over 1/8” deep, were filled using Ceramic Repair Putty. Following a partial cure of Ceramic Repair Putty, (4 hours), Brushable Ceramic was applied to a thickness of 30 mils. Brushable Ceramic encapsulated the repair areas and provided a long lasting, low co-efficient to friction, chemical resistant protective coating. Following a partial cure of the first coat of Brushable Ceramic, (4 hours), a second coat of Brushable Ceramic was applied, again to a thickness of 30 mils. Devcon’s repair procedure is estimated to save hundreds of thousand of dollars annually.
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Devcon Maintenance and Repair Solutions - Sintemar

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