solar thermal vacuum tube
Product Details:
| Place of Origin | Zhejiang, China |
|---|---|
| Brand Name | BAOGUANG |
| Model Number | ST47-1800 |
Payment & Shipping Terms:
| Supply Ability: | 30000 Piece/Pieces per Day |
|---|
Detailed Product Description
BAOGUANG Normal type Solar Vacuum Tube technology parameter :
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 | 1Mpa |
Weight per tube | 1.40 kg. |
Number of Tubes per box | 20 |
Hail Resistence | 25mm |
solar thermal vacuum tube
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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