- Contact Person : Mr. Zhou Jack
- Company Name : Haining Haokang Solar Energy Co., Ltd.
- Tel : 86-573-87872033
- Fax : 86-573-87863966
- Address : Zhejiang,Haining,Yuanhua Development Zone, Haining City, Zhejiang Province. China
- Country/Region : China
- Zip : 314416
vacuum tube (Customized size accpetable)
vacuum tube
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/SS-ALN(H)/SS-ALN(L)/ALN |
Sediment method | Single target magnertron sputtering plating | |
Specific absorption | 0.95~0.98 | |
Emission ratio | 0.02~0.03 | |
Vacuum tightness | 6.0×103 Pa | |
Idle sunning property parameters | 220~260./KW | |
Solar irradiation for obtaining a preset water temperature | H≤4.7MJ/(Φ58) | H=3.1~3.4MJ/ |
H≤3.7MJ/(Φ47) | H=2.1~2.9MJ/ | |
Average heat loss coefficient | 0.3~0.5W/(.) | |
Resistant Hail | 25mm | |
Life aged | 15 years | |
Common Vacuum tube Size:
47mmx1500mm,47mmx1800mm,
58mmx1500mm,58mmx1800mm,
Primary advantage: 1) CE, ISO9001, CCC, EN12975 certified2) Competitive price on same quality level3) Prompt delivery 4) Environmental protection 5) Small order and OEM order accepted
Please feel free to contact me for offer and more details. Your enquiry will be replied promptly.
vacuum tube (Customized size accpetable)