- Contact Person : Ms. luo Sunny
- Company Name : Haining Aojin Solar Energy Industrial Co., Ltd.
- Tel : 86-573-15857319981
- Fax : 86-573-87888686
- Address : Zhejiang,Haining,Yuanhua Town Haining City
- Country/Region : China
- Zip : 314416
Related Product Searches:all glass vacuum tube,High Quality,all glass vacuum tube, tri-element vacuum tube,AJ-47/1500
all glass vacuum tube specificatioins as follows:
1)all glass hard borosilicate:3.3
2)high efficient selective absorption coating: SS-C/CU&AL/N
3)size of vacuum tube: 47mm*1500/1800mm & 58mm*1800/2000mm & 70* 1900/2100mm
the concrete specification as follows:
Model:AJ47/1500 AJ58/1800 AJ70/2100
Specification:
1) Glass material: Borosillicate glass 3.3
2) Glass thickness:1.6mm
3) Absorption coefficient more than90%(92%)
4) Aborbtive coating:SS-C/CU&Al/N
5) Emission coefficient :less10%(8%)
6) Vacuum:less than 5*10-2 Pa
7) Stagnation temperature: mor than220 Celsius
8) Hail resistance:25mm
9) Freezing resistance:-35 Celsius
Structure |
| Dual concentric geometry tube |
Material of glass | hard borosilicate:3.3 | |
Diameter and thickness of outer tube | Ø58±0.5mm&1.6mm | |
Diameter and thickness of inner tube | Ø47±0.5mm&1.6mm | |
Length of vacuum tube | 1800mm(±mm) | |
Properties of absorptive coating | Coating method | selective absorptive sputtering coating: SS-C/cu & AL/N |
Transmissivity t≥ 0.89(AM1.5) | 0.913 | |
Absorptance α≥ 0.86(AM1.5) | 0.930 | |
Emissivity εh≤0.080(30degree±5degree) | 0.026 | |
Pressure of vacuum tube p≤5×10-2 Pa | 5×10-3Pa | |
Stagnation parameter Y>250sqm·degree/kW | 246.3 | |
Solar radiance H<4.7MJ/sqm | 4.59 | |
Average heat loss coefficient: ULT<0.8W(sqm·degree) | 0.721 | |
Lifetime | 10 years |
all glass vacuum tube