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Dezhou Gaia Solar Energy Co., Ltd.

Vacuum Tube Solar Csp, Receiver Tube, Solar Collector Tube manufacturer / supplier in China, offering Vacuum Tube Solar Csp Application to Parabolic Trough Solar Collector, 1000W Automatic Metal CNC Laser Cutting Machine, Higher Power Fiber Laser Cutting Machine for Metal Cutting and so on.

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Supplier Homepage Product Receiver tube Vacuum Tube Solar Csp Application to Parabolic Trough Solar Collector

Vacuum Tube Solar Csp Application to Parabolic Trough Solar Collector

FOB Price: US $1,200 / Piece
Min. Order: 50 Pieces
Min. Order FOB Price
50 Pieces US $1,200/ Piece
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Port: Tianjin, China
Production Capacity: 10pieces/Day
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: RT-4060
  • Concentrating: Yes
  • Type: Vacuum Solar Collector
  • Pipe Material: Stainless Steel
  • Inner Tube: Ss316
  • Effective Absorber Length: 3860mm
  • Diameter of Inner Tube: 70mm
  • Absorption Rate: Greater Than 95.5%
  • Life Span: 25 Years
  • Transport Package: Export Standard Packing
  • HS Code: 8419901000
  • Certification: ISO
  • Working Temperature Range: High Temperature
  • Application: Solar Thermal, Air Conditioning System, Parabolic Trough Solar Collector
  • Outer Tube: High Borosilicate 3.3glass
  • Length: 4060mm
  • Diameter of Outer Tube: 125mm
  • Operating Temperature: 400~500 Degree Centigrade
  • Vacuum Rates: P<0.01PA
  • Trademark: Gaia Solar / OEM
  • Origin: Dezhou, Shandong
Product Description
Vacuum tube solar csp application to parabolic trough solar collector

After ten years of technical research and development, thousands of tests, Gaia Solar got technology to melt glass and steel together. We use times of Kovar between glass and steel, and bellowed photos show the finished receiver tubes, with different length of 2 meters and 4 meters, and the diameter can be 4060mm/130mm/70mm, 2000mm/125mm/70 and 2000mm/100mm/40mm.

Product Specifications of RT-4060:

1. Coated Glass-Steel Vaccum Tube used for parabolic trough solar collector 
2. Using Kovar make connection
3. 4060mm  in length
4. Diameter: 125mm
5. Thickness: 2mm/3mm
6.Glass tube light transmittance: 96%(AM1.5)
7. Temperature can reach: 400~500 Degree centigrade
8. Can produced in large quantity already

It is also called absorber tube, its stainless steel pipe treated with a low emitted and high absorptive coating, encased in a high transmittance glass cylinder, the space between the pipe and glass cover is evacuated.

Some test data on the Receiver Tubes:

Density fo axially heat flow ≥ 28MW/m2
Total radiation activity α: 1.4*10-1Bq/g
Effective service life ≥ 150000h
Heat flux ≥ 14MW/m2 ºC
Radiation activity - β: 1.7*10-1Bq/g



1. Advanced glass-to-metal hot sealing technology: linear expansion coefficient of borosilicate glass and sealing alloys is similar which can realize glass-to-metal sealing. It solves the mismatch of linear expansion coefficient between glass and metal.

2. Selective absorbing coating can withstand high temperature from 400 ºC to 500 ºC in a high vacuum condition, to ensure that the sunlight selective absorption coating can keep long-term stability of absorption ratio at high operating temperature.

3. All parts of the vacuum tube pass high temperature and high vacuum exhaust and the tube has a long-acting getter, ensuring it can maintain a high degree of vacuum during its using process.

4. Paten-designed elastic sealing components and sealing protection devices, ensuring stable and reliable sealing.

5. It ends are plug structure made by precision turning, easy to install and weld and ensuring the straightness of the system.

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