Three High Vacuum Solar Collector - Solar Vacuum Tube
Three high Vacuum Solar Collector - solar vacuum tube has property and spec. as following:
Spec.
| 1. All-glass double-tube co-axial structure, high borosilicate 3.3 glass |
| 2. Transmission Ratio of the Outer Glass Tube |
| 3. Structure: Cu/SS-ALN(H)/SS-ALN(L)/ALN |
| 4. Sediment method: 3 target magnertron sputtering plating |
Comparing to Al-N-Al vacuum tube, it has advantages in cold area as following:
Advantages
| a. Absorbance: 12% higher |
| b. Emission Ration: 30-49% lower. |
|
c. In alpine area, copper irons emission ration is lower than that of aluminum ion. So it could work properly even circumstance temp. is lower than -30Deg C. |
|
d. Stainless steel ion has performance of high temp. resistant, anti-stagnation temp. coating will not decay or get aging or disappears. |
Size:
Dia. 47 with length of 1500mm.
Dia. 58 with length of 1500mm
Dia. 58 with length of 1600mm
Dia. 58 with length of 2000mm.






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