- Lighters[3]
- Mobile Phone Chargers[4]
- Other Lights & Lighting Products[2]
- Moulds[3]
- Alternative Energy Generators[7]
- Cups & Saucers[1]
- Mugs[1]
- Solar Water Heaters[1]
- Solar Collectors[4]
- Other Solar Energy Related Products[10]
- Solar Energy Systems[1]
- Other Cookware[6]
- BBQ Grills[1]
- Other Energy Related Products[2]
- Baking Equipment[1]
- Lawn Lamps[1]
- Reflective Material[4]
- Ovens[1]
- Water Treatment[1]
- Contact Person : Mr. Deng Kevin
- Company Name : Qingdao Huamao Metal Manufacture Co., Ltd.
- Tel : 86-532-85197829
- Fax : 86-532-85197829
- Address : Shandong,Qingdao,Fengjialing Village, Yinzhu Street Agency, Jiaonan City
- Country/Region : China
- Zip : 266400
solar vacuum tube
Structure | All-glass double-tube co-axial structure | ||
Glass material | High borosilicate 3.3 glass | ||
External pipe diameter and thickness | dia.=47±0.7mm &=1.6mm dia.=58±0.7mm &=1.6mm dia.=70±0.7mm &=2.0mm | ||
Internal pipe diameter and thickness | dia.=37±0.7mm &=1.6mm dia.=47±0.7mm &=1.6mm dia.=58±0.7mm &=1.6mm | ||
Pipe length | 1500mm 1600mm 1700mm 1800mm1900mm 2000mm 2100mm | ||
Absorptive coating property | Structure | Cu/SS-ALN(H)/SS-ALN(L)/ALN | |
Sediment method | 3 target magnertron sputtering plating | ||
Specific absorption | as=0.90~0.93(AM1.5) | ||
Emission ratio | 0.05~0.075(80°C±5°C) | ||
Vacuum tightness | P≤5.0×10-³Pa | ||
Idle sunning property parameters | Y= 260 ~ 300m²°C/KW | ||
Solar irradiation for obtaining a preset water temperature | H≤4.7 MJ/ m² | H=3.7~4.2 MJ/ m² | |
H≤3.7 MJ/ m² | H=2.9~3.2 MJ/ m² | ||
Average heat loss coefficient | Ult=0.4~0.6W/( m².°C) | ||
solar vacuum tube