solar collector tube
Product Details:
| Pressure | Unpressurized |
|---|---|
| Type | Evacuated Tube |
| Brand Name | BAOGUANG |
| Model Number | ST47-1500 |
Detailed Product Description
BAOGUANG heat collector vacuum tube technical data for AL/AL-ALN coating
Material | Borosilicate glass 3.3 |
Tube length(mm) | 1200-2100±5mm |
Outer diameter (mm) | 58(mm) ±0.7mm 47(mm)±0.7mm |
Inner diameter (mm) | 47(mm) ±0.7mm 37(mm)±0.7mm |
Coating structure | AL/AL-ALN selective absorbtion coating |
Absorptance | Iayers≥0.90(AM=1.5) |
Emissivity | ≤0.05-0.075 (80 C) |
Solarization parameters | ≥220-260 m2/KW |
Solar radiance | ≤3.7 MJ/ m2 (47mm diamater) ≤4.7 MJ/ m2 (58mm diameter) |
Average heat loss coefficient | ≤0.6-0.7 W/ m2 |
Interlayer vacuum | ≤3X10-3Pa |
Hail Resistance | 25mm |
solar collector 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