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Vacuum tube

  • Product:
    Vacuum tube

  • Model Number:


  • Description:

    Feature
    High solar-thermal conversion and low heat loss
    Stable advanced coating up to 380℃
    Long time warranty to 15 years
    High level vacuum ensure operation under cold weather
    Adavanced solar silective coating
    Advanced solar selective coatings employ two patent technologies:
    Double cermet film structure with the highest photothermal efficiency
    Metal-Aluminium nitride vermet(M-AIN)materials deposited by a novel sputtering technology

    Length

    1500mm

    1800mm

    Outer tube diameter

    47±0.7mm

    58±0.7mm

    Inter tube diameter

    37±0.7mm

    47±0.7mm

    Material

    Borosilicate Glass 3.3

    Absorptive coating

    AL-N/AL  CU-SS-N/AL

    Absorptance

    ≥0.93

    Vacuum

    P≤5×10-3Pa

    Stagnation temperature

    ≥250℃


    Tag:Vacuum tube , Vacuum Tube Theory , solar vacuum tube 
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