Solar Tube, Solar Energy Water Heaters, Heat Pipe Solar Collector

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All-Glass Evacuated Solar Collector Tube with Heat Pipe Feature 1. Higher Absorbance, Lower emittance, dry exposure up to 270°C 2. Higher efficiency, more heating Absorbance coating layout 1. Metal reflecting layer(copper) 2. Absorbance layer(SS aluminum nitride metal ceramic) 3. Emittance reducer layer(aluminum nitride) Technical Parameter Material borosilicate glass 3.3(T-0.91) Coating SS-C/CU selective compound absorb coating Absorbance 0.88-0.94 Remittance 0.08-0.04 Vacuum Degree =<2x10-3Pa Max. pressure 6Bars hail resistance =<25mm Kingeagle’s vacuum tube adopt dry absorb type selective coating with lower remittance, it solved the problem of normal tube having not good curve of emittance, when the temperature higher, the remittance higher, which reduce the efficiency of the tube. Three Higher Point of this new tube 1. Higher Efficiency: The absorbance increased by 14% with remittance reduce by 30-40% 2. Higher Heat conduction: dry exposure temperature up to 270°C and can endure -30°C environment temperature and still working 3. Higher Vacuum Degree: Unique technology to keep the vacuum degree, stable absorbance which guarantee the long life of the tube

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Kingeagle Solar Energy Industry Co., Ltd

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