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- Company Name : Wuxi High-New Technology Industrial Development Co., Ltd.
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Direct Flow Pipe With High Vacuum Inside
Product Detailed
Related Categories:Solar Water Heater Parts
High heat efficiency, 15% higher efficiency than normal vacuum tube.
China Hitek Solar Co., Ltd.
Features
1. This is Full Vacuum Tube with Direct Flow Pipe.
2. High heat efficiency, 15% higher efficiency than normal vacuum tube.
3. The direct flow pipe is made up by two concentric single-wall-tubes.
4. Cold water follows through the inner tube from upside down and flows out to the collector from the bottom through the space between the inner & outer tube, taking the heat made by the absorber.
5. It could be installed at any angle, even horizontally, while normally heat pipe tube should be installed at 30°-90°
Details
| Type | DF 70/1700 | DF 70/1900 |
| Specification | Direct flow vacuum tube | |
| Configuration | ||
| 0.095m² | 0.104 m² | |
| Weight | 2.29kg | 2.55kg |
| Installation tilt angel | 0° – 90° | |
| Dimension | Ø70mm x1700mm | Ø70mm x1790mm |
| Heat pipe | Inner copper pipe: Ø 8mmOuter copper pipe: Ø 15mm | |
| Absorber material | Copper or Aluminum;Thickness: 0.6 mm | |
| Selective coating | SS-AlN-Cu ;Absorptance: a > 0.96;Emittance: ε < 0.05 | |
| Glass tube | material :Borosilicate glassThickness: 2 mmTransmittance of glass: 91% | |
| Vacuum | < 10-8 bar | |
| Min. ambient tem. | -50°C | |
| Stagnation temp. | 300°C | |
| Resistance to hail | Ø35mm | |
Direct Flow Pipe With High Vacuum Inside
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