Copper Aluminum Tube Finned Tube For Mini Freezer Refrigerator Evaporator
The diameter of large-diameter finned pipes is generally 2 inches, 2.5 inches, 3 inches, and some larger ones are 5 inches and 6 inches.The large-diameter finned pipe type is divided into different models according to the size of the steel pipe used, but its appearance is similar, but the volume of the radiator is different. The different sizes are to meet the needs of different users for heat dissipation. different needs of the device.
| Items | Code | Dimensions | Tolerances |
| Tube outside diameter | D1 | Φ25~Φ219 mm | ±0.2 mm |
| Fin outside diameter | D2 | Φ37~Φ279 mm | ±0.75 mm |
| Fin pitch | M | 4~90 mm | ±0.2 mm |
| Fin height | H | 6~30 mm | ±0.75 mm |
| Tube thickness | δ1 | 2~16 mm | ±0.15 mm |
| Fin thickness | δ2 | 0.8~2.5 mm | ±0.1 mm |
| Unfinned tube ends length | L1 | customized | ±1‰*L1 mm |
| Unfinned tube ends length | L2 | customized | ±1‰*L2 mm |
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