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Help CenterAll-glass Evacuated 58*47*1800mm Solar Collector Tubes
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Our solar collector tube can start up fast and collects solar energy fully, there is no need to
wait and the water is available immediately, high level vacuum ensure operation under
cold weather, and the unique super copper surface allowing lower reflection and minimal
heat loss, the current products mainly include: diameter: 47/58mm, and the length is
1800mm, but we can also provide products as your request. Long time warranty for 15 years.
We are looking forward to establish business relationship with you!
3.3 high borosilicate glass tube performance and usage introduction
High borosilicate glass has first -class level of hydrolysis resistance performance high-borosilicate glass, widely used in laboratory and chemical plants, in recent years in the solar
heating device on the application have developed rapidly.
Advantages
High borosilicate 3.3 glass product has known as chemical stability, high voltage, resistance to
thermal shock and excellent processing performance characteristics.
Quality
High borosilicate 3.3 glass production tube, capillary, bar the use of advanced production
technology production, high borosilicate 3.3 (DIN ISO3585) in the world recognized. The
production process of every step has strict quality control, and through ISO9001 quality authentication.
Three kind of solar collector:
1.Common :evacuated collector tubes.
2. High-efficiency: Three-target evacuated collector tubes: blue and black-golden
3. High-efficiency: Three-target evacuated collector tubes: purple-golden (purple and golden)
Solar evacuated collector tubes technical data:
Dimension |
Φ47 |
Φ58 |
Material of tubes |
3.3 high borosilicate |
3.3 high borosilicate |
Glass expansion ratio |
3.3±0.1X10-6 k-1 |
3.3±0.1X10-6 k-1 |
Outer diameter of tubes |
Φ47±0.7 |
Φ58±0.7 |
Inner diameter of tubes |
Φ37±0.7 |
Φ47±0.7 |
Thickness of glass |
1.6±0.15 |
1.6±0.15 |
Transmittance |
≥0.89 |
≥0.89 |
Selective coating |
SS-CU-AL-N/AL |
SS-CU-AL-N/AL |
Adsorptivity |
≥0.86(AM1.5) |
≥0.86(AM1.5) |
Emissivity |
≤0.080(80±5) |
≤0.080(80±5) |
Vacuum degree |
≤5.0 X 10-3Pa |
≤5.0 X 10-3Pa |
Collecting performance under sunshine |
≥190m2/kw |
≥190m2/kw |
Hailstone resistance |
25mm |
25mm |
Start up fast and collect solar energy fully
Unique super pure copper surface,allowing lower reflection and minimal heat loss.
High level vacuum ensure operation under cold weather.
Long time warranty to 15 years
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