solar energy tube
solar energy tube:High absorption efficiency,widelyapplicant to family solar system and commercial solar water system solar energy tube:
| HGS58-1800 | 58mm | 1800mm | 0.1328 | 1.91 | |||||
| 2.for coating Cu/SS-ALN | |||||||||
| Item no | specification | effecitive collector area () | fob price(usd) | ||||||
| outer diameter | length | ||||||||
| HGT47-1500 | 47mm | 1500mm | 0.0875 | 1.72 | |||||
| HGT58-1800 | 58mm | 1800mm | 0.1328 | 2.2 | |||||
| III.Technical parameters of vacuum tube | |||||||||
| 1.Glass material: high-quality borosilicate glass 3.3 | |||||||||
| 2.Outer glass tube diameter:47mm/58mm/70mm | |||||||||
| 3.Inner glass tube diameter: 37mm/47mm/58mm | |||||||||
| 4.Hail resistance:25mm | |||||||||
| 5.Life time:more than 15years | |||||||||
| IV.Remark | |||||||||
| 1.Price:basic on FOB Ningbo,China.If for CIF price,must show me port and purchase item. | |||||||||
| 2.Payment :T/T | |||||||||
| 3.Lead time for container:7days | |||||||||
solar energy tube
