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solar glass vacuum tube
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Product Details
| Type | Evacuated Tube | Pressure | Unpressurized | |
| Circulation Type | Direct / Open Loop (Active) | Heating System | Thermosyphon (Passive) | |
| Connection Type | Direct-Plug | Installation | Freestanding | |
| Housing Material | Stainless Steel | Certification | CE, Other | |
| Capacity | 10 | Place of Origin | Zhejiang, China | |
| Brand Name | Jiadele | Model Number | 58*1800 |
Product Description
We have own vacuum tube factory with daily output more than 7000 tubes.
Material Apply for high 3.3 borosilicate glass
Models 58*1800, 47*1500, 47*1800, 58*1900, 70*2000
Structure all-glass-coaxial double-layer tubes
Outer tube diameter 47, 58, 70
Inner tube diameter 37, 47, 58
Length of tube 1500, 1800, 1900, 2000
Thickness of tube 1.6mm, 2.0mm
Heat absorption efficiency 94-96%
Emittance 4-6%
Transmittance of outer tube 91%
Vacuum tightness 5.0×10-3Pa
Stagnation te4mperature 280-300
Resistant hail 25mm
Solar irradiation for obtaining a preset water temperature H≤4.7MJ/M2(Φ58)
Ideal heat collection efficiency in extreme cold water, with hot water available at a temperature of -30°C
Life span 15 years
Usually, for pressurized solar water heater, people use the copper heat pipe in vacuum tube. Heat pipe vacuum tube has advanced heat transferring, when the excellent vacuum tube selective absorption coating combination with copper heat pipe, it could be started quickly to turn solar energy into thermal energy even during cloudy days.
Welcome your inquiries.
Contact Us
- Zhejiang Jiadele Solar Energy Co., Ltd.
- Contact namejiadele xu Chat Now
- Phone86-0573-86565307,10,11
- AddressNo3,Yanshan Road Ganpu Town, LiuLiji Town,Haiyan Couny Zhejiang Province,China., Jiaxing, Zhejiang
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