Basco Hairpin Type CC (Common Closure)
API Heat Transfer Basco Hairpin Type CC (Common Closure) — Process industries with lower temperature/pressure differentials.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Remove bonnets/heads, inspect zinc pencils for erosion >50% corrosion away, clean to bright surface, replace if necessary
Examine tubes for scale buildup and deposits, clean if necessary using high-velocity water jetting or wire brushes (avoid tube perforation or tube-sheet damage)
Carefully examine tubes for signs of erosion or corrosion damage, monitor tube wall thickness to calculate corrosion rate
Inspect for tube bundle ablation/separation from baffles, check baffle conditions and spacers, verify baffle control integrity
Inspect tubesheet face, baffle surfaces, gasket sealing surfaces, and floating head (if applicable) for corrosion, erosion, or deformation
Type-general inspection and maintenance points for this equipment category — not model-specific.
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