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Dezhou Xinqu Renewable Energy Technology Co.,LTD

 
 
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solar vacuum tube 

  Category : Electronic and electrical->Electronic Parts->Vacuum Tube

     
solar vacuum tube
 
 
       

  Product Specification
 
  Model No:      XQ-58/1800
  Country  CN
  Brand  XINQU
  Materials  borosilicate glass 3.3
  Size  47*1500mm, 58*1800mm, 58*2100mm    
  Packing  carton
  Minimum Order  1000 pcs
  Payment Term  TT in advance

 

    Product Detail
  High solar-thermal conversion and low heat loss
Stable advanced coating up to 380 centigrade
Long time warranty to 15 years
High level vacuum ensure operation under cold weather

Data sheet of solar vacuum tube
Material borosilicate glass 3.3
Structure All glass coaxial double-layer tubes
Material of coating AlN/AIN-SS/Cu
Absorptance 0.94 to 0.96
Emittance 0.04 to 0.06
Vacuum less than 5*10-4pa
Stagnation temperature 270 to 300 centigrade
Heat-loss coefficient less than 0.6w
Bearing hailstone ability Hailstone diameter 25mm
Pressure-endure ability 1Mpa

   


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