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- Contact Person : Ms. Lee Mary
- Company Name : Jinan GT Industrial Co., Ltd.
- Tel : 0086-531-88021366
- Fax : 0086-531-88021399
- Address : Shandong,Jinan,No.101, Huayuan Road, Jinan
- Country/Region : China
- Zip : 250100
solar tube
Product Detailed
Related Categories:Other Solar Energy Related Products
The outer glass tube diameter is 47/58/70mm.
The length is 1200/1500/1600/1800/2000/2100mm.
Technical Data :
Iterm | National Standard GB/T 17049-2005 | GT Solar Evacuated Tubes |
Material | Borosilicate Glass3.3 | Borosilicate Glass3.3 |
Absorptance | ≥0.86(AM1.5) | ≥0.93(AM1.5) |
Emission | ≤0.08(80±5) | ≤0.07(80±5) |
Vacuum | P5 x 10-2Pa | P5 x 10-3Pa |
Stagnation Temperature | ≥190 m2*/kw | ≥200m2*/kw |
Solar Irradiation for Water Temperature rise | H≤4.7MJ/m2(Φ58) | H≤4.6MJ/m2(Φ58) |
H≤3.7MJ/m2(Φ47) | H≤3.6MJ/m2(Φ47) | |
Coefficient of Average Heat Loss | ≤0.85W/(m2*) | ≤0.80W/(m2*) |
Maximum Strength | 0.6Mpa | 0.8Mpa |
solar tube
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