Gold Member Since 2007
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Changzhou Blueclean Solar Energy Co., Ltd.

Solar Product, Solar Water Heater, Glass Vacuum Tube manufacturer / supplier in China, offering Glass Vacuum Tube, Flat Plate Solar Collector (SF-3), Aluminium Heat Pipe Solar Collector and so on.

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Glass Vacuum Tube

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Basic Info
  • Model NO.: 47/1500 58/1800 70/1700
  • Origin: China
Product Description
Place of Origin: China
Model Number: SS-GT
Price Terms: FOB, CIF
Brand Name: Sunstar / Blueclean
Payment Terms: T/T, L/C
Minimum Order: 100 sets
Supply Ability: 1000PCS/day
Delivery Time: 10 days

Features: Evacuated tubes are the absorber of the solar water heater. They absorb solar energy and convert it intoheat for use in water heating. Each evacuated tube consists of two glass tubes made from extremely strongborosilicate glass. The outer tube is transparent allowing light rays to pass through with minimalreflection. The inner tube is coated with a special selective coating (Al-N/Al) which featuresexcellent solar radiation absorption and minimal reflection properties. The top of the two tubes are fused together and the air contained in the space between the two layers of glass is pumped out while exposing the tube to high temperatures. This " Evacuation" Of the glass forms a vacuum, which is an important factor in the performance of the evacuated tubes. The vacuum in the evacuated glass tube is less than 5 x 10-3Pa. This can only be reached and maintained over a long period of time through a specialized evacuation process in production resulting in an almost total elimination of convection and conduction losses from the tube.
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Ms. Aileen Wang
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