Solar collector

Solar collector
CE ISO9001
Best price
Best quality testing and guarantee
Solar collector
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
AL/AL-ALN(H)/AL-ALN(L)/ALN
Sediment method
Single/Three target magnetron sputtering plating
Specific absorption
0.90~0.93(AM1.5)
Emission ratio
0.05~0.075(80°C±5°C)
Vacuum tightness
5.0×10
-3
Pa
Idle sunning property parameters
220~260 m².°C /KW
Solar irradiation for obtaining a preset water temperature
H≤4.7MJ m²(Φ58)
H=4.1~4.4 MJ/ m²
H≤3.7MJ/ m²(Φ47)
H=3.1~3.4 MJ/ m²
Average heat loss coefficient
0.6~0.7W/(m².°C)
Resist Hailstone
Φ25mm
Resist cold
-30°C
Resist wind
30 m/s
Life aged
15 years