SpiralEdge™ Outer Fin Tubes
High-Efficiency Spiral-Wound Finned Tubes for Heat Transfer Performance
Tube Tech® SpiralEdge™ Outer Fin Tubes are engineered to maximise external surface area, improve convective heat transfer, and deliver long service life in demanding thermal applications. Manufactured using precision spiral-winding technology, these fin tubes offer consistent fin height, tight bonding, and excellent resistance to vibration and thermal cycling.
Key Features
- • Spiral-wound outer fins for maximum heat transfer
- • Optimised fin pitch & height for enhanced air-side performance
- • High thermal conductivity with strong metallurgical bonding
- • Available in copper, aluminium, brass, stainless steel & CuNi
- • Ideal for condensers, air coolers & HVAC–R systems
- • Custom lengths, fin profiles, and coatings available
SpiralEdge™ Fin Tube Varieties - Technical Specifications
| Fin Tube Type | Tube Diameter | Tube Thickness | Fin Density | Fin Depth | Tube Length |
|---|---|---|---|---|---|
| Integral Fin Tubes | 6.35 - 40 mm | 0.90 mm+ | 11 - 40 FPI | 0.6 - 2.5 mm | Up to 10 Mtrs |
| Corrugated Fin Tubes | 9.52 - 38.10 mm | 0.55 mm+ | 4 - 10 FPI | 0.35 mm+ | Up to 10 Mtrs |
| Turbo Chill Tubes | 15.87 & 19.05 mm | 1.14 mm+ | 19 & 26 FPI | 1.2 mm+ | Up to 10 Mtrs |
| End Cross Fin Tubes | 12.70 - 25.40 mm | 0.55 mm+ | 26 FPI | 0.25 mm+ | Up to 10 Mtrs |
| Condenser Tubes | 15.87 & 19.05 mm | 1.00 mm+ | 40 - 56 FPI | 0.75 mm+ | Up to 10 Mtrs |
| Internally Finned Tubes | 6.00 - 25.40 mm | 0.60 mm+ | 30 - 75 grooves | 0.15 mm+ | Up to 10 Mtrs |
| Finned Cooling Coils | 12.70 - 22.22 mm | 1.25 mm+ | 11 - 26 FPI | 1.2 - 2.5 mm | Coils as required |
| Finned U-Bent Tubes | 9.52 - 25.40 mm | 0.90 mm+ | 19 - 26 FPI | 0.8 - 1.6 mm | Leg: Up to 5000 mm |
* All fin tubes available in Copper, Brass, Cupro Nickel, Stainless Steel & Carbon Steel as per requirement.
* Fin tubes fabricated to meet ASTM B 75 / B 359 and other applicable ASTM, BS EN, JIS, IS and DIN standards.
* Turbo Chill Tubes: Outer integral low fins with internal helical ridges (10 to 42 ridges at desired helix angle).
* End Cross Fin Tubes: Outer integral low fins with cross knurling.
* Condenser Tubes: Outer integral low fins with cross knurls & internal helical ridges.
* Internally Finned Tubes: Internal grooves/ridges with plain outer diameter.