| Model: | - |
|---|---|
| Brand: | yaoguo solar |
| Origin: | - |
| Category: | Metallurgy , Mining & Energy / New Energy / Solar Energy |
| Label: | solar water heater t , 58*1800low price sol , purple/blue double g |
| Price: |
US $1.78
/ pc
|
| Min. Order: | 3000 pc |
| Last Online:10 Oct, 2017 |
All-glass evacuated solar collector tubes technical data
|
Technical Data |
All-glass evacuated solar collector tubes |
|
Material |
Borosilicate Glass 3.3 |
|
Stone |
Stones (Ø≤1mm) ≤1 piece in area of 10mm×10mm; Stones(1.0mm≤Ø≤1.5mm) ≤ 2 pieces in the whole tube. |
|
Knots |
Knots(Ø≤1mm) ≤2 pieces in area of 10mm×10mm; Knots(Ø≤2.5mm) ≤ 5 pieces in the whole tube |
|
Absorptance of Selective Coating |
≥0.92 (AM1.5) |
|
Emission of Selective Coating |
≤0.065 (80°C±5°C) |
|
|
Solar heat pipe Techinical Specifications
|
Item |
Measured value |
|
Heat conduction coefficient |
>99% |
|
Axial heat transition auantity |
0.93-2.49kw/cm² |
|
Heat conduction speed |
>200mm/s |
|
Axial temperature difference |
1-2centi-degree/m |
|
Starting temperature |
20centi-degree |
|
Starting speed |
2min |
|
|
|
|
Working temperature range |
30centi-degree~300centi-degree |
|
Resistance to high temperature |
No deformation in 48hours under 250C high temp condition |
|
Resistance to low temperature |
-35C |
|
Life |
15 years |
Structure of Solar Collector Tube
1.inside tubes ,2.selective coating,3.vacuum jacket,4.outside tubes,5.supporter,6.getter,7.mirror
solar vacuum tube
Packaging & Shipping
Loading Quantity
|
Specification |
Quantity each carton |
20ft |
40HC |
|
Ø 47*1500mm |
15/20/24pcs |
5040pcs |
12000pcs |
|
Ø 47*1800mm |
15/20/24pcs |
4600pcs |
10200pcs |
|
Ø 58*1800mm |
10/15pcs |
2600pcs |
6420pcs
|
Our Advantages
The reason using our solar vacuum tube is:
Ø Over 10 years production experiences
ØProduction chain from glass tube to solar vacuum tube which could ensure the stability of tubes.
Ø8 years export experiences
ØGlobal network
ØFast delivery (production time: 5 containers within 7 days; 10 containers within 10 days.
Our Services
Company Information
Shandong Yaoguo Solar Science And Technology Co., Ltd is a professional solar vacuum tube product supplier integrating the research, manufacture and marketing.
In recent years, our products have been well received by customers and won a high reputation worldwide. With a focus on the continual improvement of products, management and service, our company are strongly committed to our unique mission of providing effective solutions for friends all over the world.
