Solar Heater High Absorption Vacuum Tube

Solar Heater HighAbsorption Vacuum Tube

Product Introduction
KD-VT-HA solar heater high absorption vacuum tube is made ofborosilicate glass, which applies the advanced 12-layer of spatteringdeposition technology of gradual change of ALN/ALN-SS/CU selective absorptivecoating. This makes the vacuum tubes highly absorptive and highly resistant tohigh temperatures and low temperatures. In addition, the vacuum tube features alow reflection ratio. The interlayer produces a unique thermal effect, making thesurface temperature reach up to 380℃.The color of the inner tube of high absorption vacuum tube is red.
The vacuum tube, the keypart of the solar water heater, decides the performance of the heating system. KD-VT-HA high absorption vacuum tubehas high heat efficiency and is reasonably priced. Even at a temperatureof–20°C, itoperates normally. 

Specification
A) Structure: all glass concentric dual layer tube
B) Glass material: borosilicate
C) Absorption rate: >0.95
D) Emittance: <0.058 (80℃)
E) Vacuum: <5x10-5 Pa
F) Stagnation: >230 ㎡ .℃/KW
G) Average Heat Loss: <0.8 w/ ㎡.℃
H) Service life: more than 15 years

Technical Data of KD-VT-HA Solar Heater High Absorption Vacuum Tube

Kaisundun is a specialized solar heater highabsorption vacuum tube manufacturer and supplier in China. We offer various types ofproducts such as a solar water heater, heat pipe solar collector, heat pumpwater heater, split solar water heating system, and wind turbine generator.