Skylight Evacuated Tube Specifications:
1. Length (nominal):1800mm/1600mm
2. Outer tube diameter: 58mm/47mm
3. Inner tube diameter: 47mm/37mm
4. Glass thickness:1.8mm/2.0mm
5. Thermal expansion: 3.3x10-6í¦C
6. Material: Borosilicate Glass 3.3
7. Absorptive Coating: Graded Al-N/Al
8. Absorptance: v>93% (AM1.5)
9. Emittance: <8% (80í¦C)
10. Vacuum: P<5x10-3 Pa
11. Stagnation Temperature :> 200í¦C
12. Heat Loss :< 0.8W/ (m2í¦C)
13. Maximum Strength: 0.8MPa
14. Start-up temperature: í-25í¦C
15. Anti hail: í-¿¬ 25mm
16. Weight:2.2kg/3.0kg
17. Package: 1880*330*170(10pcs) 1880*280*170(8pcs)
Skylight Manifold and Heat Pipe Specifications:
1. Heat pipe wall thickness: 0.6mm
2. Length and diameter of condenser: 55mm/¼¦14mm
3. Start up speed: 30S
4. Start up temperature: 25 oC
5. Insulation: Polyurethane + Rock wool
6. Manifold casing material: Aluminum Alloy
7. Frame material and thickness: Aluminum Alloy 1.3mm
8. Inlet Outlet: Ñ+22 or G3/4 inch compression
9. Heat pipe material: Copper
10. Insulation: Polyurethane
11. Rubber seals and rings: UV stabilized high temperature silicon rubber
12. Test pressure: 9 bar
13. Collector mounting: Flat roof or inclined roof
14. Angle of operation: 10degree-80degree

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