export to Jordan solar heater tube
Structure | All-glass double-tube co-axial structure | |
Glass material | High borosilicate 3.3 glass | |
External pipe diameter and thickness | Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=1.6mm Φ=70±0.7mm &=2.0mm | |
Internal pipe diameter and thickness | Φ=37±0.7mm &=1.6mm Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=1.6mm | |
Pipe length | 500mm 850mm 1200mm 1500mm 1600mm 1700mm 1800mm 1900mm 2000mm 2100mm | |
Absorptive coating property | Structure | Cu/SS-ALN(H)/SS-ALN(L)/ALN |
Sediment method | 3 target magnetron sputtering plating | |
Specific absorption | 0.93~0.96(AM1.5) | |
Emission ratio | 0.04~0.06(80°C±5°C) | |
Vacuum tightness | 5.0×10-3Pa | |
Idle sunning property parameters | 260~300m²m²m².°C /KW | |
Solar irradiation for obtaining a preset water temperature | H≤4.7MJ/ m²(Φ58) | H=3.7~4.2MJ/ m² |
H≤3.7MJ/ m²(Φ47) | H=2.9~3.2MJ/ m² | |
Average heat loss coefficient | 0.4~0.6W/(m².°C) | |
Resistant Hail | 25mm | |
Resist cold | -30°C | |
Resist wind | 30 m/s | |
Life aged | 15 years |
export to Jordan solar heater tube