Both Side Open Vacuum Tube

Group Solar Vacuum Tube
PriceUS $2-4 / piece
Min. Order 1000 piece
Terms of Payment Western Union, T/T
Update Time 2018-11-27
Item specifics
TypeVacuum Solar Collector
ApplicationWater Heater
Pipe MaterialGlass
Description

 

 

  Vacuum Tube Type Single-target Vacuum Tube 
  Vacuum Tube Structure   All-glass double-tube co-axial structure 
  Glass Material   High borosilicate 3.3 glass 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   Vacuum Tube Type  Single-target Vacuum Tube    Vacuum Tube Structure    All-glass double-tube co-axial structure    Glass Material    High borosilicate 3.3 glass    External Tube Diameter & Thickness    Φ=58±0.7mm  &=1.6mm,     Internal Tube Diameter & Thickness    Φ=47±0.7mm  &=1.6mm,     Pipe Length   1800mm,   Absorbing  Coating   Structure    AL/AL-ALN(H)/AL-ALN(L)/ALN   Sediment Method    single-target magnetron sputtering plating   Specific Absorption    as=0.90~0.93(AM1.5)   Emission Ratio  εh=0.05~0.075(80±5)    Vacuum Tightness    P≤5.0X10-3Pa    Idle Insolation Property    Y=220~260m2./KW    Solar Irradiation    H=4.1~4.4MJ/m2    H=4.1~4.4MJ/m2    H=3.1~3.4MJ/m2    H=3.1~3.4MJ/m2    Average Heat Loss Coefficient    ULT=0.6~0.7W/(m2.)