Haining City Baoguang Heat Collection Tubes Co., Ltd.
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all-glass three-target evacuated tube

Brand Name:
Model Number:
all-glass three-target evacuated tube
Detailed Description

three-target evacuated tube
1.use copper in the understratum to reduce emission ratio
2.to improve heat efficiency

three-target evacuated tube

Tube structure : All-glass double deck co-axial structure

Glass material: High borosilicate 3.3 glass

Outer tube diameter and glass thicckness:

 Φ47±0.7mm; Glass thickness 1.6±0.15mm

 ΦΦ58±0.7mm; Glass thickness 1.6±0.15mm

 Φ70±0.7mm; Glass thickness 2.0±0.15mm

Inner tube diameter and glass thickness:

 Φ47±0.7mm; Glass thickness 1.6±0.15mm

Φ47±0.7mm; Glass thickness 1.6±0.15mm

Φ58±0.7mm; Glass thickness 1.6±0.15mm

Tube length: 800mm,1200mm,1500mm,1600mm,1800mm,1900mm,2000mm,2100mm etc

 Absorption coating prpperty:

Coating material: CU/SS-ALN(L)/ALN

Sediment method: Three Target magnetron sputtering plating

Absorptivity: Absorptivity:α=0.92~0.96(AM1.5)

Emission ratio: Emission: ε=0.04~0.06(80°c±5°c)

Vacuum degree: p<5.0×10-³(PA)

Stagnation temperature(temperature inside of empty evacuated tubes): 260~300°c

verage heat loss: ULT 0.4~0.6w/(m2*°c)

Hail resistanve: Φ25mm

Pressure-endure: 1MPa


we are an exporter including Triple- target coating tubes.we can send good service for all of our customers all the world!We can also produce according to your requirement.We promise our customers best price!If you have any problems about details please contact us.

Company information:
    Haining City Baoguang Heat Collection Tubes Co., Ltd. established on 2003 in Japan. We is an exporter of China (Mainland) Energy Projects products.    With independent export rights, our products have been exported to North America South America Eastern Europe Southeast Asia Oceania Mid East Eastern Asia Western Europe, etc. Our products have enjoyed a good reputation for our good quality, considerate service and reasonable price!    We sincerely invite you to visit our factories and cooperate with us for a mutually beneficial and long-term relationship!More details in our website at www.cnbg.cn! thanks!
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Haining City Baoguang Heat Collection Tubes Co., Ltd.
Mr. Edwin Ma
# 4 Yuanhua Industrial Zone,Haining City, Zhejiang 314416.China

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