- Contact Person : Ms. Hu Shirley
- Company Name : Zhejiang Shenhao Light & Solar Energy Technology Co., Ltd.
- Tel : 86-573-87297698
- Fax : 86-573-87297699
- Address : Zhejiang,Haining,Industrial Park Of Yuanhua
- Country/Region : China
- Zip : 314416
glass vacuum tube
Related Product Searches:glass vacuum tube,High Quality,vacuum tube, solar vacuum tube,58*1800mm
Three-Target Vacuum Tube
Three-target all-glass vacuum heat collection tube property and specification
Structure | All-glass double-tube co-axial structure | |
Glass material | High borosilicate 3.3 glass | |
Extermal pipe diameter and thickness | Φ=47±0.7mm&=1.6mm Φ=58±0.7mm&=1.6mm | |
Internal pipe diameter and thickness | Φ=37±0.7mm&=1.6mm Φ=48±0.7mm&=1.6mm | |
Pipe length | 800mm 1200mm 1500mm 1600mm 1800mm 1900mm 2000mm 2100mm | |
Absorptive Coating Property | Structure | CU/SS-ALN(H)/SS-ALN(L)/ALN |
Sediment method | 3 target magnertron sputtering plating | |
Specific absorption | as=0.93~0.96(AM1.5) | |
Emission ration | Εh=0.04~0.06(80degree±1.5degree) | |
Vacuum tightness | P≤5.0x10-3 Pa | |
Idle sunning property parameters | Y=260~300square meter.degree/KW | |
Solar irradiation for obtaining a preset water temperature | H≤4.7MJ/square meter (Φ58) | H=3.7~4.2MJ/square meter |
H≤3.7MJ/square meter(Φ47) | H=2.9~3.2MJ/square meter | |
Average heat loss coefficient | ULT=0.4~0.6W/(square meter. degree) | |
glass vacuum tube