1. Fin: Hydrophilic, bare or Epoxy, painting is possible such as yellow, white etc
2. Heat exchange tube: Copper/Stainless steel/Aluminum with internal screws
3. Connecting pipe: Copper/Stainless steel/Aluminum pipe and seamless steel pipe;
4. Sheet material: Aluminum plate, galvanized steel plate, stainless steel plate and copper plate;
6. Special treatment: Spraying and coating, anodic oxidation<o: P>
2. Heat exchange tube: Copper/Stainless steel/Aluminum with internal screws
3. Connecting pipe: Copper/Stainless steel/Aluminum pipe and seamless steel pipe;
4. Sheet material: Aluminum plate, galvanized steel plate, stainless steel plate and copper plate;
6. Special treatment: Spraying and coating, anodic oxidation<o: P>
| Fin Pattern | Copper Tube O. D. (mm) | Row Space(mm) | Hole Space(mm) | Fin Thickness(mm) | Fin Space(mm) | ||||
| Flat fin | Sine wave with blade fin | Smooth sine wave fin | Window fin | Sesamoid fin | |||||
| A | 7 | 12.7 | 21 | 0.105 | / | / | 1.3 | 1.3 | / |
| B | 7 | 13.2 | 17.6 | 0.105 | / | / | 1.3 | 1.3 | / |
| C | 7 | 12.7 | 20.4 | 0.105 | / | / | 1.3~1.8 | 1.3~1.8 | / |
| D | 7.94 | 15.88 | 25.4 | 0.105 | 1.8~3.0 | 1.8~3.0 | 1.8~3.0 | 1.8~3.0 | / |
| E | 9.52 | 22 | 25.4 | 0.105~0.15 | 1.6~3.2 | 1.6~3.2 | 1.6~3.2 | 1.6~3.2 | / |
| F | 9.52 | 22 | 25.4 | 0.18~0.4 | 3.5~6.35 | / | / | / | / |
| G | 9.52 | 21.65 | 25 | 0.105~0.18 | 1.6~3.2 | 1.6~3.2 | 1.6~3.2 | 1.6~3.2 | / |
| H | 9.52 | 21.65 | 25 | 0.15~0.24 | 3.2~6.35 | 3.2~6.35 | 3.2~6.35 | / | / |
| I | 12.75 | 27.5 | 31.75 | 0.115~0.15 | 1.5~3.5 | 1.5~3.5 | 1.5~3.5 | 1.5~3.5 | 1.6~3.2 |
| J | 15.88 | 33 | 38.1 | 0.115~0.15 | 1.5~4.0 | 1.5~4.0 | 1.5~4.0 | / | / |
| K | 15.88 | 34.64 | 40 | 0.115~0.15 | / | 2.6~3.5 | 2.6~3.5 | / | / |