High quality low cost Three targets Solar evacuated Tube
USD $1.5 - $3 /Piece
Min.Order:2500 Pieces
Shandong Guangpu Solar Energy Project Co., Ltd.
No. | Parameter | Triple Target Tube |
1 | Structure | Full-glass Double-tube Coaxial Structure |
2 | Material | Borosilicate Glass 3.3 |
3 | Outer Tube Diameter | Φ47±0.7mm &=1.6mm Φ58±0.7mm &=1.6mm |
4 | Inner Tube Diameter | Φ37±0.7mm &=1.9mm±0.5mm Φ47±0.7mm &=1.9mm±0.5mm |
5 | Length | 47-1500mm/1600mm/1800mm 58-1500mm/1600mm/1800mm/2000mm/2100mm |
7 | Absorbing Coating Structure | Red Copper, Stainless Steel and Aluminum |
8 | Deposition Method | Triple-target DC Reactive Magnetic Sputtering |
9 | Absorption Ratio | 0.92-0.95(AM1.5) |
10 | Emission Ratio | 0.04-0.06(80°C±5°C) |
11 | Interlayer Vacuum | P≤2×10¯³ (Pa) |
12 | Stagnation Temperature | 250°C |
13 | Average Heat Loss Coefficient | ULT= 0.4-0.6w/(m².°C) |
14 | Mechanical Shock Performance | Φ≤30mm |
15 | Amount of Solar Radiation under Stagnation | H=3.7~4.2 MJ/m²(58mm) H=2.9~3.2MJ/m²(47mm) |