Diameter 160mm High Temperature Vacuum Tube for Solar Thermal System
Product Description
Specification:
Absorption rate : 91% min
Heat radiation rate: 8%max (100 oC)
Vacuum degree: 5X10 -3pa
Stagnation temperature: 200 oC and >250 oC
Structure: All-glass concentric dual tube geometry
Glass material: Borosilicate glass 3.3
*Type I.:
Outer tube diameter and Thickness: dia.160mm, thickness.3.2mm
Inner tube diameter and Thickness: dia.142mm, thickness.3.2mm
Tube Length: 600-1800mm or upon buyer’s request
Life time: 15 years
Hailstone resistance: 2.5 cm dia.
Contact email: sonnecorp@yahoo.com.cn
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