Jinan GT Industrial Co., Ltd.
Products
Contact Us
  • 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

solar tube
Product Detailed
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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