evacuated tube solar collector
Product Details:
| Pipe Material | Glass |
|---|---|
| Application | Solar Thermal |
| Type | Vacuum Solar Collector |
| Place of Origin | Zhejiang, China |
| Brand Name | BAOGUANG |
| Model Number | ST58-1800MM |
Detailed Product Description
We make co-axial structure vacuum tubes with outer diameter (OD) 47mm, 58mm and 70mm, and tube length ranges are available at 1200mm,1500mm,1600mm,1700mm,1800mm,2000mm and more, Advanced selective absorption coating AL/AL-ALN( Single-target coated tubes) and CU/SS-AL-ALN ( Triple-target coated tubes) are adopted for excellent heat efficiency.Our tube products are widely used for both solar water heater and solar thermal heating system.
Structure | All glass coaxial double-layer |
Length (nominal) | 1500mm |
Outer tube diameter | 47mm |
Inner tube diameter | 37mm |
Glass thickness | 1.6 ±0.08 mm |
Thermal expansion | 3.3x10-6 K |
Material | Borosilicate Glass 3.3 |
Absorptive Coating | Graded Al-N/Al |
Absorption | α≥90%(AM1.5) |
Emittance | ε≤0.05 ~ 0. 075 |
Vacuum | P≤5x10-3 Pa. |
Temperature of Stagnation | 220 ~ 260 JC |
Heat Loss | ≤0.6 ~0.7W/ ( m2oJC ) |
Pressure-endure ability | 1 Mpa |
Weight per tube | 1.40 kg. |
Number of Tubes per box | 20 |
Hail Resistence | 25mm |
evacuated tube solar collector
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Company Info
Haining City Baoguang Heat Collection Tubes Co., Ltd.
[China]
[Verified Member]
City: Jiaxing
Province/State: Zhejiang
Country/Region : China
Business Type:Manufacturer
Online Postings: Products