| Place of Origin | China | Model Number | VST-CTNO |
| Price Terms | FOB,CNF,CIF | Brand Name | CTNO or OEM |
| Payment Terms | T/T, L/C | Minimum Order | 1 x 40' FCL |
| Supply Ability | 350,000pcs/month | Delivery Lead Time | 7 days |
| Features: Technical Specifications |
The solar tubes 47-1500, 47-1800, 58-1800 are available for your order.
Other models, 58-2000, 58-2100, 100/110-2000, we can make according to your quantity orders.
Length
|
1500mm
|
1800mm
|
Outer tube diameter
|
47mm
|
58mm
|
Inner tube diameter
|
37mm
|
47mm
|
Weight
|
1.3kg
|
2.2kg
|
Glass thickness
|
1.6mm
| 1.6mm |
Material
|
Borosilicate Glass 3.3
|
Borosilicate Glass 3.3
|
Absorptive coating
|
Graded A1/N/A1
|
Graded A1/N/A1
|
Vacuum degree
|
P<5*10 -3 Pa
|
P<5*10 -3 Pa
|
Thermal expansion
|
3.3*10 -6 /°C
|
3.3*10 -6 /°C
|
Insolation Temperature
|
>200°C
|
>200°C
|
Absorptance
|
>93%
|
>93%
|
Emittance
|
<8%
|
<8%
|
Heat loss
|
<0.8W/(m2°C)
|
<0.8W/(m2°C)
|
Maximum strength
|
0.8Mpa
|
0.8Mpa
|
Resist cold
|
-35 °C
|
-35 °C
|
Resist hailstone
|
Ø25mm
|
Ø25mm
|
Resist wind
|
30m/s
|
30m/s
|
Start-up temperature
|
<=25°C
|
<=25°C
|
Item No.
|
Specification
|
Effective collector
area m2
|
Diameter of solar tube
|
Length of solar tube
|
VST-TF-4715
|
Ø47mm
|
1.5M
|
0.0966
|
VST-TF5818
|
Ø58mm
|
1.8M
|
0.1350
|
Contact us today for more information .
http://china-solarheater.com/
energy@savegreeninc.com |
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