vacuum tube
Product Details
Evacuated tubes are the absorber of the solar water heater. They absorb solar energy converting it into heat for use in water heating. Each evacuated tube consists of two glass tubes made from extremely strong borosilicate glass. The outer tube is transparent allowing light rays to pass through with minimal reflection. The inner tube is coated with a special selective coating (Al-N/Al) which features excellent solar radiation absorption and minimal reflection properties. The top of the two tubes are fused together and the air contained in the space between the two layers of glass is pumped out while exposing the tube to high temperatures. This "evacuation" of the gasses forms a vacuum, which is an important factor in the performance of the evacuated tubes. The vacuum in the evacuated glass tube is less than 5
it is good quality
- Pipe Material:Glass
- Application:Water Heater
- Type:Vacuum Solar Collector
- Brand Name:Qirui
- Place of Origin:Zhejiang China (Mainland)
- Country:China (Mainland)
- telephone:86-573-87959996
| Package: | carton packing |
| Payment Terms: | L/C,Western Union |
| Pipe Material: | Glass |
| Application: | Water Heater |
| Type: | Vacuum Solar Collector |
| Brand Name: | Qirui |
| Place of Origin: | Zhejiang China (Mainland) |
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