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Heat Pipe Vacuum Tube for Solar Collector
 Heat Pipe Vacuum Tube for Solar Collector |
Product Description
Heat Pipe Solar Collector for Solar Water Heater
Product name: Heatpipe Vacuum Tube for Solar Collector
(Glass-Metal) tubes consist of a single glass tube. Inside the tube is a flat or curved aluminium plate which is attached to a copper heat pipe or water flow pipe. The aluminium plate is generally coated with Tinox, or similar selective coating. These type of tubes are very efficient but can have problems relating to loss of vacuum. This is primarily due to the fact that their seal is glass to metal. The heat expansion rates of these two materials. Glass-glass tubes although not quite as efficient glass-metal tubes are generally more reliable and much cheaper.
| Model tape | TT47 | TT58 |
| Length | 1500mm | 1800 |
| Outer tube diameter | 47mm | 58mm |
| Inner tube diameter | 37mm | 47mm |
| Glass thickness | 1.6mm | 1.7mm |
| Glass Material | Borosilicate Glass 3.3 | Borosilicate Glass 3.3 |
| Absorptive Coating | AL/N/AL | AL/N/AL |
| Absorption coefficient | >92% | >92% |
| Emission coefficient | <8% | <8% |
| Vacuum | P<5x10-2Pa | P<5x10-2 Pa |
| Stagnation Temperature | >220oC | >220oC |
| Net weight | 1.53kg | 2.77kg |
| Trademark: | RUNSUN |
| Productivity: | 10, 000 pcs/year |
| Company: | Changzhou Runsun Energy Technology Co., Ltd. |
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