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Haining Chaoda Solar Collector Tubes Co., Ltd.
No. 34, Yujie Group, Xintang Village, Maqiao Street, Haining City, Jiaxing, Zhejiang, China
No. 34, Yujie Group, Xintang Village, Maqiao Street, Haining City, Jiaxing, Zhejiang, China
| Solar water heater vacuum tube All-Glass Evacuated Solar Collector Tube Feature: * Higher Absorbance, Lower emittance, dry exposure up to 270 degree * Higher efficiency, more heating Absorbance coating layout: 1--metal reflecting layer(copper) 2--absorbance layer(SS aluminumnitride metal ceramic) 3--remittance reducer layer(aluminumnitride) Material borosillicate glass 3.3(T-0.91) Coating SS-C/CU selective compound absorb coating Absorbance 0.88-0.94 Remittance 0.08-0.04 VacuumDegree =<2x10-3Pa Max. Pressure 6Bars Hail resistance =<25mm KE's vacuum tube adopt dry absorb type selective coating with lower remittance, It solved the problem of normal tube having not good curve of remittance, when the Temperature higher, the remittance higher, which reduce the efficiency of the tube. 3 higher point of this new tube Higher Efficency: The absorbance increased by 14% with remittance reduce by 30-40% Higher Heat conduction: Dry exposure temperature up to 270 degree and can endure -30 degree environment temperature and still working Higher Vacuum Degree: Unique technology to keep the vacuum degree, stable absorbance which guarantee the long life of the tube. |
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