Project Background & Buyer Pain Points
In modern industrial gas compression and power fields, the Ingersoll Rand Air Compressor is globally renowned for its exceptional stability and heavy-duty operation. However, air compressors generate immense thermal energy during high-speed gas compression. If the thermal exchange efficiency of the cooling system is insufficient, it directly leads to excessive discharge temperatures, or worse, triggers frequent automatic system shutdowns for self-protection. As the core heat transfer component of the compressor’s aftercooler, the performance and dimensional precision of the inner finned tube directly determine the operational efficiency of the entire air compressor unit.
In April 2026, a prominent industrial equipment integrator from Iran contacted Datang Finned Tube. The client was urgently sourcing a premium replacement solution for their end-user’s Ingersoll Rand Air Compressor intercoolers and aftercoolers tube bundles. Because conventional smooth fluid pipes could no longer fulfill the heat dissipation needs of the upgraded machinery, the client explicitly specified high-efficiency copper inner finned tubes. Furthermore, due to the tight space constraints of the original equipment’s tube sheets, they imposed extremely strict tolerances on the two ends’ swaged dimensions, wall thickness uniformity, and machining precision.
Advanced Technical Specifications & Datang Solutions
As an elite manufacturer deeply rooted in industrial heat exchanger solutions, the engineering team at Datang Finned Tube conducted several rounds of rigorous technical and blueprint reviews via video conferences with the Iranian client. To withstand the high-pressure, high-velocity environments typical of an Ingersoll Rand Air Compressor, we customized a copper inner finned tube featuring an optimized internal micro-fin profile. This advanced internal structure dramatically increases the inner heat transfer surface area, induces intense fluid turbulence, and breaks down the boundary thermal resistance layer, boosting the overall heat transfer coefficient by over 200% compared to standard bare copper tubes.
To perfectly match the structural configuration of the client’s original equipment, all key dimensions of this batch of inner finned tubes were held to ultra-precise tolerances:
| Technical Parameter Item | Design Requirement Spec | Datang Actual Measured Result |
| Material | High-Purity Copper (C12200 / TP2 Copper) | 100% Compliant, Outstanding Conductivity & Ductility |
| Base Tube Outer Diameter (OD) | 28.5 mm | 28.5 mm ± 0.05 mm |
| Base Tube Wall Thickness (WT) | Approx. 1.0 mm | 1.0 mm (integrated with internal micro-fins) |
| Effective Tube Body OD | Approx. 25 mm (After fin crest processing) | 25.1 mm |
| Swaged End Outer Diameter (OD) | 23.5 mm | 23.5 mm ± 0.07 mm |
| Swaged End Wall Thickness (WT) | 1.0 mm | 1.02 mm |
Technical Breakthrough: Precision Cold Swaging Process
Since the inner wall of the tube features delicate micro-fins, compressing the tube from an original 28.5mm OD down to a 23.5mm OD via mechanical cold swaging poses an immense risk of internal fin distortion, fin collapse, or tube body cracking. Datang Finned Tube utilized its proprietary cold-swaging dies and advanced internal mandrel-core control technology. This engineering approach not only perfectly maintained the 23.5*1mm swaged geometry but also guaranteed a completely smooth transition zone, fulfilling all expansion and welding requirements for the compressor’s tube sheets with zero risk of leakage.
Core Applications: Recommended Use of Copper Inner Finned Tubes in Ingersoll Rand Air Compressors
This specification of copper inner finned tubes is engineered specifically for high-pressure, large-flow heat exchange environments and is highly recommended for the following core sections of Ingersoll Rand air compressor systems:
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Multi-Stage Compression Intercoolers: Between the compression stages of Ingersoll Rand centrifugal or large screw air compressors, using copper inner finned tubes rapidly lowers the temperature of high-temperature air discharged from the previous stage, significantly improving the volumetric efficiency of the next stage and realizing substantial system energy savings.
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Compressed Air Aftercoolers: Compressed air carries immense heat before final output. Treated by a cooler utilizing copper inner finned tubes, the air temperature can be brought down to ambient levels within the shortest piping length, forcing water vapor to rapidly condense and separate to supply dry, high-quality compressed air downstream.
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Dedicated Lubricating Oil Coolers: Air compressor oil degrades easily under high temperatures. Utilizing copper inner finned tubes greatly enhances oil circuit heat exchange, firmly keeping oil temperature within its optimal viscosity range and effectively extending the service life of core Ingersoll Rand compressor blocks.
Rigorous Quality Control & Transparent Inspection Photo Gallery
Datang Finned Tube established full-process quality traceability for this Iranian order of inner finned tubes and supplied a comprehensive set of real-time inspection photographs prior to dispatch. These unedited quality inspection workflows showcase our absolute commitment to transparency:
① Bulk Ready-to-Ship Copper Inner Finned Tubes
Upon completing all precision micro-grooving, cold swaging, and strict ultrasonic degreasing/cleaning processes, thousands of high-efficiency inner finned tubes were neatly arranged on our factory racks. The pure copper surfaces displayed a bright, flawless reddish-gold metallic luster, completely free of oxidation spots, pitting, scratches, or machining residues, reflecting superb craftsmanship.
Bulk inspection of copper inner finned tubes at Datang Finned Tube factory
② Precision Measurement of Base Tube & Mid-Body OD
To verify the geometric accuracy of the inner finned tube, our QC engineers utilized calibrated digital micrometers to perform multi-point sampling checks on both the base tube OD (28.5mm) All live data was instantly synchronized with Datang’s QC ledger, ensuring fluid dynamics and heat dissipation areas are perfectly met.
Outer diameter measurement of inner grooved copper tube for air compressor
③ Swaged End OD (23.5mm) & Wall Thickness Verification
To guarantee that the finished tube bundles slide smoothly into the Ingersoll Rand Air Compressor aftercooler tube sheet holes without any friction or binding, we conducted a 100% full inspection on the swaged 23.5mm outer diameter. The live photographs captured the digital caliper readings locked securely within the strict permissible tolerance band.
Precision measurement of 23.5mm swaged end OD for inner finned tube
④ Swaged Segment Length & Total Tube Length Measurement
Because the longitudinal space margins within air compressor enclosures are extremely tight, even minor length errors can result in an expensive assembly failure. Datang’s quality inspectors not only verified the exact axial length of the cold-worked swaged ends on both sides but also checked the total length of the copper inner finned tube from end to end using calibrated tape measures, ensuring a flush finish.
Swaged length check of inner finned copper tube for Ingersoll Rand air compressors
Total length check of inner finned copper tube Ingersoll Rand air compressors
⑤ Sea-Worthy Fully Enclosed Anti-Moisture Wooden Box Packaging
Considering the lengthy ocean voyage and complex inland logistics to Iran, Datang Finned Tube engineered reinforced, export-grade heavy-duty wooden crates. Tubes were layered and isolated using soft polyethylene foam sheets, and the crate interiors were fully sealed with waterproof plastic wrapping and heavy-duty desiccant packs, ensuring a 100% rust-free and zero-damage arrival at the client’s plant.
Export wooden case packaging for copper inner grooved tubes shipping to Iran
Secure wooden box packaging and container loading of copper inner finned tubes
Flawless Project Delivery & Customer Testimonial
This batch of premium inner finned tubes was successfully cleared through customs and loaded for shipping well ahead of the contract deadline. Upon receiving and conducting on-site sampling tests, the Iranian client expressed immense satisfaction with the manufacturing quality of Datang Finned Tube, sending an enthusiastic testimonial via email:
💬 “Datang’s inner finned tubes are a perfect match for our Ingersoll Rand air compressors. The swaged ends (23.5mm) fit our tube sheets effortlessly, and the heat dissipation performance exceeded our local refinery’s expectations. Their transparent inspection photos gave us total peace of mind before shipping!”
This batch of high-precision copper inner finned tubes tailor-made for Ingersoll Rand air compressors meets or even surpasses original replacement part standards in all dimensional tolerances and process qualities. Upon receiving our comprehensive documentation report, the Iranian client expressed great appreciation and firmly indicated their intent for long-term subsequent procurement.
Through this successful execution for the Iranian market, Datang Finned Tube has once again demonstrated its superior flexible customization and precision manufacturing capabilities in the high-end global heat exchanger component market. Whether you require specific sizes of inner finned tubes, high-frequency welded (HFW) spiral fin tubes, or bimetallic extruded fin tubes, we provide one-stop thermal calculations and elite manufacturing solutions.
Whether you are an air compressor OEM manufacturer, a matching heat exchanger factory, or a compressor repair and technical upgrade team, Datang Finned Tube can always customize highly compatible, highly efficient copper inner finned tubes products for you. We welcome B2B clients worldwide to contact us for inquiries and quotes at any time!
