New Tri-element Vacuum Tube

Product name：New Tri-element Vacuum Tube

Item：58-1800

Details：

New Tri-element Vacuum Tube Characteristics：  Vacuum tubes assimilate the advanced 12 layers of spattering deposition of trivalent technology,high borosilicate glass,gradual change of ALN/AIN-SS/CU selective complex absorptive coating.Ang these make vacuum tubes have high performance of absorptance and low reflection ratio.Through the interlayer,vacuum has a unique effect of thermo,with its temperature up to 380℃ of idle sunning,performing a strong heating ability. Technical Parameters: Structure: all glass concentric dual tube geometer Glass material: borosilicate glass Coating: Grated SS-C/CU Absorptance: >0.92 Emittance: <0.08(80℃) Vacuum: <5×10-3 Pa Stagnation: >230m2. ℃/KW Average heat loss: <0.6w/m2. ℃ Lifetime: >15 years http://china-solarheater.com/