- 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
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three high vacuum tube
Structure: All-glass double-tube co-axial structureGlass 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 &=2.0mm
Pipe length: 800mm 1200mm 1500mm 1600mm 1800mm 1900mm 2000mm 2100mm
Absorbing coating property:
Structure: Cu/SS-ALN(H)/SS-ALN(L)/ALN
Sediment method: 3 target magnertron sputtering plation
Specific absorption: as=0.93~0.96(AM1.5) εh=0.04~0.06(80±5)
Vacuum tightness: P≤5.0X10-3Pa
Idle sunning property parameters: Y=260~300m2./KW
Solar irradiation for obtaining a preset water temperature:
H≤4.7MJ/m2(Φ58) H=3.7~4.2MJ/m2
H≤3.7MJ/m2(Φ47) H=2.9~3.2MJ/m2
Average heat loss coefficient: ULT=0.4~0.6W/(m2.)
three high vacuum tube