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powerful solar vacuum tube
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powerful solar vacuum tube

FOB Reference Price:Get Latest Price
US $1-4 / Piece | 10 Piece/Pieces 1 X 20'GP (Min. Order)
Supply Ability:
100000 Piece/Pieces per Month
Seller Support:
Payment protection
On-time shipment
Product quality protection
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
Water Heater
Pipe Material:
Product name:
Solar vacuum tube
Warranty time:
Sample offer:
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Packaging & Delivery
Packaging Details:
Standard carton for solar vacuum tube.
Delivery Detail:
7 days after deposit received!


Solar vacuum tube
1.10years warranty time.
2.CE,CCC,ROHS ,SK,certificates.
3.OEM is welcome!
4.Sample offer!

Solar vacuum tube

Product Name: Three-high vacuum tube
Place of Origin: China
Structure: All glass concentric dual tube structure
Glass material: Borosilicate glass
Outer tube diameter and thickness: 58+/-0.7mm/1.6mm
Inner tube diameter and thickness: 47+/-0.7mm/1.6mm
Length of tube: 1800(+/-5mm)
Construction: Graded AL-N/AL selective absorption coating
Heat-absorbing rate: more than 92%
Emission of heat: less than 8% (80degree)
Vacuum degree: less than 0.005Pa
Solar radiance exposure: less than 2.8MJ/M2
Calories absorption: 9.1MJ/M2
Average heat loss: less than 8.6W/(M3.K)
Pressure-endure ability: 0.2Mpa
Bearing hailstone ability: 25mm in diameter
Lifespan: 15years.
High solar-thermal conversion and low heat loss
Stable advanced coating up to 380 degree
Long time warranty to 10 years
High level vacuum ensure operation under cold weather
Vacuum Tube technology:
Models 47mm 1500mm 58mm 1800mm
Weight 1.35kg 2.29kg
Structure All-glass-coaxial All-glass-coaxial
Double-layer tubes double-layer tubes
Outer tube diameter 47mm 58mm
Inner tube diameter 37mm 47mm
Outer Tube thickness 1.6mm 1.8mm
Inner tube thickness 1.6mm 1.8mm
Material of coating Al N/Al N-SS/Cu Al N/Al N-SS/Cu
Absorptance 0.94~0.96 0.94~0.96
Emittance 0.04~0.06 0.04~0.06
Vacuum P≤5*10-3pa P≤5*10-3pa
Stagnation temperature 270~300 270~300
Heat-loss coefficient ≤0.6w/ m2) ≤0.6w/ m2)
Bearing hailstone ability 25mm 25mm
Pressure-endure ability 1MPa 1MPa







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China (Mainland) | Manufacturer, Trading Company
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