2m Length Parabolic Trough Glass-to-Metal Solar Tube

Product Details
Customization: Available
Certification: ISO
Concentrating: Yes
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Terms of Payment
LC, T/T, D/P, Western Union
OEM/ODM Availability
Yes
  • 2m Length Parabolic Trough Glass-to-Metal Solar Tube
  • 2m Length Parabolic Trough Glass-to-Metal Solar Tube
  • 2m Length Parabolic Trough Glass-to-Metal Solar Tube
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Basic Info.

Model NO.
RT-2000-100/40
Working Temperature Range
Medium Temperature
Type
Vacuum Solar Collector
Application
Solar Thermal, Air Conditioning System, Parabolic Trough Solar Collector
Pipe Material
Stainless Steel
Outer Tube
High Borosilicate 3.3glass
Inner Tube
SUS304
Length
2000mm
Effective Absorber Length
1800mm
Diameter of Outer Tube
100mm
Diameter of Inner Tube
40mm
Operating Temperature
100~300 Degree Centigrade
Absorption Rate
Greater Than 95.5%
Vacuum Rates
P<0.01PA
Life Span
25 Years
Transport Package
Export Standard Packing
Trademark
Gaia Solar / OEM
Origin
Dezhou, Shandong
HS Code
8419901000
Production Capacity
10pieces/Day

Product Description

               2M length parabolic trough glass-to-metal solar tube



Product Specifications


1. Coated Glass-Steel Vaccum Tube used for parabolic trough solar collector

2. Using Kovar make connection
3. 2000mm  in length

4. Diameter: 100mm

5. Thickness: 2mm/3mm

6. Temperature can reach: 100~300 Degree centigrade

7. Can produced in large quantity already



2m Length Parabolic Trough Glass-to-Metal Solar Tube


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


 



Features

1. Advanced glass-metal hot sealing technology: linear expansion coefficient of borosilicate glass and sealing alloys is similar which can realize glass-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.


 

Packaging

2m Length Parabolic Trough Glass-to-Metal Solar Tube



2m Length Parabolic Trough Glass-to-Metal Solar Tube

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