1. Length (nominal):1800mm/2100mm
2. Outer tube diameter: 58mm/70mm
3. Inner tube diameter: 47mm/60mm
4. Glass thickness: 1.8mm/2.0mm
5. Thermal expansion: 3.3x10-6°C
6. Material: Borosilicate Glass 3.3
7. Absorptive Coating: Graded Al-N/Al
8. Absorptance: v>93% (AM1.5)
9. Emittance: <8% (80°C)
10. Vacuum: P<5x10-3 Pa
11. Stagnation Temperature: > 200°C
12. Heat Loss :< 0.8W/ (m2°C)
13. Maximum Strength: 0.8MPa
14. Start-up temperature: ≤25°C
15. Anti hail: ≤Ø 25mm
16. Weight: 2.2kg/1.2kg/3.0kg
17. Package: 1880*330*170(10pcs) 1880*280*170(8pcs)
18. Special tube like 100mm or 120mm tubes are also available against request
Sky-light Tank and Frame Specifications:
1) Volume: 180L, 200L, 220L, 250L, 300L
Inner tank material and thickness: SUS304 2B /0.5mm
2) Outer shell material and thickness: Color steel/0.5mm OR SUS304/0.5mm
3) Insulation material and thickness: CFC free Polyurethane/55mm
4) Frame material and thickness: Galvanized steel/1.5mm OR SUS304/0.5mm
5) Size of the holes: G1/2 OR G3/4
6) Electrical heater: Available against request, 1500W, 2000W
7) Magnesium rod: Available against request
8) Assistant tank: Available against request: Dia. 160mm*220mm(6L), 8L, 30L, 50L, double tank.
9) Controller: Available against request: SP26
10) Sky+light Guarantee: 3 years for galvanized steel support, 5 years for solar storage tank.
Heat Exchanger Specification:
1) Sky-light Heat exchange material: Red copper pipe
2) Sky+light Heat exchanger length: 30m
3) Sky*light Heat exchanger surface area: 1.31m2
4) Sky.light Heat exchanger testing pressure: 6 bar
5) Skylight Heat exchanger net weight: 12kg
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