- Contact Person : Mr. Lee Youto
- Company Name : Haining Haoguang Solar Industrial Co., Ltd.
- Tel : 86-573-87888088
- Fax : 86-573-87888806
- Address : Zhejiang,email us :<hnvacuumtube(at)hotmail.com>,changxiao village, yuanhua town,hainingcity (solartubes At gmail Dot com)
- Country/Region : China
- Zip : 314416
Haoguang tri-element all-glass vacuum heat collecting tube
The three-target all-glass vacuum heat collecting property and specification is as follows
Structure | All-glass double-tube co-axial structure | |
Glass material | High borosilicate 3.3 glass | |
External pipe diameter and thickness | Φ=47±0.7mm=1.6mm Φ=58±0.7mm=1.6mm Φ=70±0.7mm=2.0mm | |
Internal pipe diameter and thickness | Φ=37±0.7mm=1.6mm Φ=47±0.7mm=1.6mm Φ=58±0.7mm=1.6mm | |
Pipe length | 1200mm 1500mm 1600mm 1800mm 1900mm 2000mm 2100mm | |
Absorptive coating property | Structure | Cu/Ti-ALN(H)/Ti-ALN(L)/ALN |
Sediment method | 3 target magnetron sputtering plating | |
Specific absorption | 0.93~0.96 | |
Emission ratio | 0.04~0.06 | |
Vacuum tightness | 5.0×10-3Pa | |
Idle sunning property parameters | 260~300m2.C/KW | |
Solar irradiation for obtaining a preset water temperature | H≤4.7MJ/(Φ58) | H=3.7~4.2MJ/ |
H≤3.7MJ/(Φ47) | H=2.9~3.2MJ/ | |
Average heat loss coefficient | 0.4~0.7W/(.) | |
Resistant Hail | 25mm | |
Life aged | 15 years | |
Haoguang tri-element all-glass vacuum heat collecting tube
