| Certification |
CE |
| Place of Origin |
Zhejiang China (Mainland) |
| Brand Name |
Maxsun |
| Type |
Evacuated Tube |
| Pressure |
Unpressurized |
| Heating System |
Thermosyphon (Passive) |
| Connection Type |
Split |
| Installation |
Freestanding |
Solar Energy Heater Vacuum Tube CCC,CE,ISO9001 We have 5 years experience in this field Provide OEM Structure:All-glass double-tube co-axial structureGlass material:High borosilicate 3.3 glassExternal pipe diameter and thickness :47±0.7MM 58±0.7MMAbsorptive coating property:AL-N-AL Specific absorption:0.93-0.96(AM1.5) Emission ratio:0.04-0.06(80degrees±5degrees) Vaccum tightness:P≤1.0×0.01Pa