Application Guides
Application planning begins after the gas-path environment and corrosion mechanism have been investigated. This guide converts confirmed condensation locations, drainage paths, joints, penetrations and access constraints into preparation, application and continuity-control zones. Sulfuric acid dew-point corrosion remains the subject of the separate protected technical article.
Before defining application work, confirm the known gas-path zones, wet and dry periods, shutdown conditions, washing or cleaning exposure, visible deposits and locations where condensate may form or travel. Unresolved chemistry or dew-point questions remain investigation inputs, not application assumptions.
Trace where liquid can originate, run, collect and drain across vertical and horizontal sections. Mark low points, changes in section, platforms, stiffeners, expansion details and internal obstructions that can interrupt drainage or hide retained moisture.
Plan scaffolding, ventilation, lighting, containment and work sequence so each zone can be reached, prepared and inspected. Avoid accepting an accessible face as evidence for backsides, overhead details or restricted passages.
Expansion joints, seams, welds, nozzles, supports and penetrations may move, trap liquid or create sharp geometry. Define preparation and continuity checks for each detail while preserving its intended movement or drainage function.
Set zone boundaries and layer sequence so adjacent work can form a continuous system without burying unaccepted preparation or leaving inaccessible termination edges. Product-specific mixing, layer build and cure requirements must come from the verified documents for the selected system.
Use traceable visual and specified project checks across open surfaces, edges, welds, overhead areas and difficult details. Record repairs against the original zone map and reinspect them before access or containment is removed.
Close preparation, application, repair and release records before returning the gas path to service. Future inspection should revisit condensation paths, drainage, joints and repaired areas; this guide does not prescribe an interval or predict service life.
Where condensation mechanism, gas composition or local surface conditions remain uncertain, use the protected sulfuric acid dew-point corrosion article to frame further investigation. Application planning cannot substitute for that technical assessment.
Establish the protected mechanism and investigation boundary before application planning.
Review condensation and restricted geometry on a different gas-path asset.
Convert confirmed exposure information into a separate selection framework.
Technical review
Project takeaway
Send the operating condition and the document or application question you need reviewed.
