Curran’s Fin Fan Tube Repairs provide a proven alternative to tube plugging and premature equipment replacement through precision installation of full or partial length alloy tube ID liners.
Our comprehensive service begins with thorough tube preparation using hydro blasting or Curran’s proprietary grit blasting method, followed by hydraulic expansion of custom-sized liners to ensure complete metal-to-metal contact. This process effectively restores tube integrity, mitigates wall loss, and addresses cracking or pitting while maintaining optimal heat transfer performance.
Industrial fin fans and air coolers face significant operational challenges from corrosion, erosion, and tube degradation. Thinning walls, potential leaks, and ruptured tubes compromise unit integrity and system reliability. Traditional approaches often resort to tube plugging, which reduces capacity, or complete unit replacement, which creates extended downtime and substantial capital expenditure.
Capacity Loss from Plugging
Curran’s tube lining solution addresses these challenges through precision installation of full or partial length alloy tube ID liners. Our comprehensive process begins with thorough tube preparation using hydro blasting or proprietary grit blasting, followed by hydraulic expansion to ensure complete metal-to-metal contact and optimal heat transfer performance.
Metal-to-Metal Contact
Fin Fan Tube Repairs restore damaged tubes by addressing wall loss, cracking, and pitting with precision-installed liners. The hydraulic expansion process ensures full metal-to-metal contact for optimal heat transfer performance.
Custom alloy options and thorough QA/QC procedures support long-term reliability. Fast, onsite installation helps reduce turnaround time and extend equipment life without full tube replacement.
Address significant wall loss, cracking, and pitting through precision liner installation
Ensure complete metal-to-metal contact through hydraulic expansion method
Prevent tube plugging and defer costly equipment replacement
Streamline maintenance through expert onsite installation
Select optimal alloy compatibility including 316SS, C276, 304H, and 825
Complete QA/QC inspection and testing throughout installation process
Select appropriate alloy based on process conditions and order properly sized annealed liners
Clean tube ID through grit blasting and measure parent tube dimensions for calibration
Install full-length liners into parent tubes with proper positioning
Expand liners using calibrated hydraulic pressure to achieve metal-to-metal contact
Cut liners to tubesheet specifications
mechanically roll to expand ends as required
Curran International offers comprehensive turnkey tube lining solutions with 24-hour worldwide service capability
Contact Curran for comprehensive site evaluation and tube condition assessment
Receive detailed technical specifications and metallurgy recommendations
Develop customized installation timeline and turnaround integration
Execute precision liner installation with complete quality assurance
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Curran's tube liners are applicable to fin fans, air coolers, and various heat exchange equipment experiencing tube degradation, wall loss, or integrity issues.
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Installation duration depends on unit size and scope, but Curran's streamlined process is designed to minimize turnaround time while ensuring quality installation.
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Tube liners provide significant cost savings compared to equipment replacement while extending unit life and maintaining heat transfer performance
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Curran offers custom metallurgy solutions including 316SS, C276, 304H, 825, and other alloys to match specific application requirements.
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Hydraulic expansion creates complete metal-to-metal contact along the entire tube length, ensuring optimal heat transfer and preventing insulating effects.
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