C68700 C44300 Copper Alloy Spiral Finned Tube 0-12mm Fin Height 5-26 FPI for Marine Heat Exchangers
Professional C68700 and C44300 anti-corrosion copper alloy spiral finned tubes designed specifically for marine heat exchanger applications. These extruded fin tubes deliver superior thermal performance and durability in demanding marine environments.
- Roll forming process ensures seamless fin integration
- 30-50% higher heat transfer efficiency compared to HF welding and wrapped fin tubes
- Space-saving design reduces assembly footprint
- ISO 9001:2008 quality certified manufacturing
- Global distribution network serving USA, Australia, Germany, and more
| M | 11 | 045 | 180 | 100 | 00 |
|---|---|---|---|---|---|
| Fin Height M=Medium H=High L=Low |
Minimum Fins per Inch | Fin Height in 1/10 mm | Minimum Root Diameter in 1/10 mm | Root Wall-thickness in 1/100 mm | Inner Surface Code 00=plain 01=Undulated 02=Grooved |
- Raw material procurement based on customer specifications
- Incoming material quality inspection
- Precision roll forming with continuous process monitoring
- Custom length cutting to exact requirements
- Comprehensive finned tube specification verification
- Optional secondary processing: de-fin, soft annealing, bending, coiling, welding connectors
- Final cleaning, pressure testing, drying, and protective packaging
Our extruded fin tubes feature a unique manufacturing process where fins are formed by roll-forming the outer surface of seamless plain tubes. This creates an inseparable bond between fin and tube, eliminating thermal resistance and maximizing heat exchange efficiency. The monolithic construction provides superior vibration resistance, enhanced anti-corrosion properties, and extended service life in demanding marine applications.
| Parameter | Range |
|---|---|
| Fin Height | 0-12mm |
| Fins per Inch | 5-26 |
| Fin Thickness | 0.3-0.5mm |
| Wall Thickness | 0.7-2mm |
| Custom OD/ID | Available per requirements |
- Optimized inner to outer surface ratio for maximum heat transfer
- Enhanced structural integrity from roll forming process
- Flexible configurations: straight, bent, or coiled heat exchangers
- Minimal thermal resistance between fins and tube
- Superior shock resistance and thermal expansion tolerance
- Cost-effective operation with energy savings and long service life
These finned tubes are engineered for critical applications including marine heat exchangers, gas-fired boilers, condensing boilers, flue gas condensers, oil coolers, mine coolers, diesel engine air coolers, gas coolers, process heaters, power plant cooling systems, and nuclear engineering applications.
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