solar tube, vacuum tube, evacuated tube

6. The efficiency of a vacuum tube solar hot water heater is dependent upon a number of factors, one important one being the level of evacuated radiation (insolation) in your region.

5. Vacuum tubes are aligned in parallel, the angle of mounting depends upon the latitude of your location. In a North South orientation the tubes can passively track heat from the sun all day. In an East West orientation they can track the sun all year round.

4. Reducing the fouling on the tube wall, keeping water clean.

Standard PYREX high borosilicate glass with coefficient of linear expansion 3.3

solar tube
Excellent resistance,corrosion
keeping water clean
Excellent performance of absorbing
high efficiency

  • Length:500mm, 800mm, 850mm 1500mm, 1800mm
  • thickness:1.5mm,1.6mm,2.0mm
  • Diameter:47mm, 58mm
  • coating: Al-N/AL-CU selective absorptive coatin...
  • Glass material:Borosilicate glass
  • Structure: All-glass concentric dual tube geome...
  • Pipe Material:Glass
  • Application:Solar Thermal
  • Type:Non-Pressure
  • Model Number:JVN
  • Brand Name:Jinyi
  • Place of Origin:Zhejiang China (Mainland)
  • Country:China (Mainland)
  • telephone:86-573-82848871
Delivery Time: Two weeks for standard order
Package: sample and less than full container: foam+carton +wooden caseFull container: foam+carton customized
Supply Ability: 3,000,000 Piece/Pieces per Month
Minimum Order Quantity: 10 Piece/Pieces Sample and OEM service
Payment Terms: L/C,T/T
Port: Ningbo, Shanghai port
Fob Price: US$1.58-3.2Ningbo, Shanghai port
Glass material: Borosilicate glass
Structure: All-glass concentric dual tube geomer
Pipe Material: Glass
Application: Solar Thermal
Type: Non-Pressure
Model Number: JVN
Brand Name: Jinyi
Place of Origin: Zhejiang China (Mainland)
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