Solar Vacuum Tube uses a vacuum tube solar collector to eliminate the heat loss of the gas convection and conduction.
Minimum Order Quantity: 500 Piece/Pieces
Supply Ability: 6000 Piece/Pieces per Week
Payment Terms: L/C,D/P,T/T
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Solar Vacuum Tube uses a vacuum tube solar collector to eliminate the heat loss of the gas convection and conduction, and the application of selective absorbing coating makes the radiation heat loss down to the minimum. It structures pressure well and can work in high temperature.
The specification of Solar Vacuum Tube
| Structure | All-glass double-tube co-axial structure |
| Glass material | High borosilicate 3.3 glass |
| External pipe diameter | D=47±0.7mm D=58±0.7mm D=70±0.7mm |
| Internal pipe diameter | D=37±0.7mm D=47±0.7mm D=58±0.7mm |
| Thickness of vacuum tube | 1.6mm / 1.8mm |
| Heat loss coefficient | ≤0.90 / ≤0.85 / ≤0.80 |
| Sun exposure temperature | ≥200 |
| Coefficient of thermal expansion of glass | 3.3×10-6 |
| Cover glass tube transmittancy | 0.91 |
| Solar selective surface coating sputtering gradient | Al-N / Al |
| Solar absorption ratio(AM1.5) | 0.93 |
| Emission ratio | 0.06 |
| Anti-hail capability | No damage from D 25mm hail impact |
Model No.: Jiachen-VTC-01
Features: vacuum tube with copper pipe
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VTC-01
Features: Solar Water Heater heat pipe tube
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VT-01
Features: solar vacuum tube
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3. 15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VT-01
Features: Single-target coating tubes
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3. 15Years Warranty for vacuum tube
4.OEM
Model No.: Jiachen-VTC-01
Features: vacuum tube with copper pipe
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VT-01
Features: Solar parts- vacuum tube
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3. 15Years Warranty for vacuum tube
4.OEM
Model No.: Jiachen-VT-01
Features: Triple-target coating vacuum tubes
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3. 15Years Warranty for vacuum tube
4.OEM
Model No.: Jiachen-VT-01
Features: Solar Water Heater vacuum tube
1.CE,ISO9001,CCC
2.USD 1.6-3 per pc
3.15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VTC-01
Features: Solar Water Heater heat pipe tube
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VTC-01
Features: Solar Water Heater evacuated tube
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
4OEM
Model No.: Jiachen-VTC-01
Features: Solar Water Heater vacuum tube with copper pipe
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3.15Years Warranty for vacuum tube
4.OEM
Model No.: Jiachen-VTC-01
Features: Solar Water Heater heat pipe tube
1.CE,ISO9001,CCC
2.USD 5.5-8 per pc
3. 15Years Warranty for vacuum tube
4OEM