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Help CenterSolar Heat Absorbing Heat Pieppe Solar Water Heater Tube
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solar heat absorbing heat pieppe solar water heater tube
Feature:
1.Vacuum tube feature:
The kind of vacuum tube assimilate the advanced 12 layers of spattering deposition of trivalent element technology, high quality borosilicate glass 3.3, gradual change of CU-SS-ALN/ALN selective absorption coating and make vacuum tubes have high performance of absorptance and low reflection ratio. Through interlayer, vacuum has a unique effect of thermal, with its temperature up to 300degree of idle sunning, performing a strong ability.
2. Vacuum tube specification:
47-1500MM, 58-1800MM (Standard specification)
47-1800MM, 58-2000MM (optional specification)
3. Vacuum tube Loading quantity in container:
47-1500MM, 4700 PCS/20ft, 9600 PCS/40ft.
58-1800MM, 2700 PCS/20ft, 5600 PCS/40ft
| Model type | 47 | 58 |
| Length | 1500mm | 1800mm |
| Outer tube diameter | 47mm | 58mm |
| Inner tube diameter | 37mm | 47mm |
| Glass thickness | 1.5mm | 1.5mm |
| Thermal expansion | 3.3x10-6 | 3.3x10-6 |
| Material | Borosilicate Glass 3.3 | Borosilicate Glass 3.3 |
| Absorptive Coating | AL/N/AL | AL/N/AL |
| Absorption coefficient | >90% | >90% |
| Emission coefficient | <10% | <10% |
| Vacuum | P<5x10-2pa | P<5x10-2pa |
| Stagnation Temperature | >200 | >200 |
| Net weight | 1.20kg | 2.23kg |
| Size | 1580*280*250mm/20pcs | 1880*330*170mm/10pcs |
| Quantity in 20 container | 5060 pcs | 2650 pcs |
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