1. Material: copper, aluminum, galvanized plate.
2. Copper pipe: diameterΦ7, Φ7.94, Φ9.52, inner grooved or smooth tube.
3. Aluminum foil: hydrophilic or bare
4. Fin type: louver fin, flat fin, corrugated fin
5. Pitch of fins: Ø7 1.1~1.8mm Ø7.94 1.4~2.0 mm Ø9.52 1.4~2.3 mm
6. Pitch of holes and pitch of rows: 20.5x12.7mm, 22x19.05mm, 21x12.7mm, 25.4x22mm equilateral triangle arrangement.
NO | Tube Diameter(mm) | Distance of hole/row(mm) | Fin Style | Fin Space(mm) |
---|---|---|---|---|
1 | Φ7 | 21*12.7 | Louvered fin,Plain fin,Sine wave fin | 1.4~2.0 |
2 | Φ7 | 21*18.2 | Sine wave fin,Corrugated fin | 1.3~1.9 |
3 | Φ9.52 | 25*21.65 | Louvered fin,Sine wave fin | 1.6~6.35 |
4 | Φ9.52 | 25.4*22 | Louvered fin,Sine wave fin | 1.6~3.2 |