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Help Center3.3 High Borosilicate All-glass Evacuated Tubes of Solar Collector
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Our vacuum collectors tube can start up fast and collects solar energy fully, there is no need to wait and the water isavailable 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 calso provide products as your request. Long time warranty for 15 years.
Absorptance of three high efficiency solar vacuum tube increased by 12%, and launch reducedby 30 to 40 percent, the super
absorbing, heat loss less, warming faster. Efficient tube, the
super absorbing, thermal efficiency is high, warming faster, in the same light conditions, cancreate more and higher
temperature water than common tubes ; high cold tube, copper ions for the launch of aluminum ion mantua, so low
0.2 thermal loss rarely, in high cold environment
can still work normally. hot water turn out as usual under 30 ºC. high temperature special efficiency tube, because
the membrane layer stainless steel
ion high temperature resistant, fight air drying. Membrane layer under the condition of the 400 ºC, not attenuation,
not aging, discoloration.
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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