Home > Products > Spare parts of solar water heater > Solar Vacuum Tube
Solar Vacuum Tube
- Shanghai
- T/T
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Product Details
| Place of Origin | Zhejiang, China | Brand Name | Jishen | |
| Model Number | JS-VT |
Product Description
Adding one more complete three cavity tube in the normal tube, raising the heating
efficiency by decreasing the water content, not the heating area, The heating
efficiency can improve 30% by this way.
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 &=2.0mm
Pipe length 800mm 1200mm 1500mm 1600mm
1800mm 1900mm 2000mm 2100mm
Absorbing coating property Structure
Sediment method
Specific absorption
Emission ratio
Cu/SS-ALN(H)/SS-ALN(L)/ALN
3 target magnertron sputtering plation
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≤3.7MJ/m2(Φ47)
H=3.7~4.2MJ/m2
H=2.9~3.2MJ/m2
Average heat loss coefficient ULT=0.4~0.6W/(m2.)
Contact Us
- Haining Jishen Solar Energy Technology Co., Ltd.
- Contact nameKelly Lin Chat Now
- Phone86-573-87871222
- AddressNo. 7, Youdian Lane, Nanjie Road, Yuanhua Town
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