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Structure
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All-glass double-tube co-axial structure
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Glass material
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High borosilicate 3.3 glass
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External pipe diameter and thickness
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dia.=47±0.7mm ＆=1.6mm
dia.=58±0.7mm ＆=1.6mm
dia.=70±0.7mm ＆=0.2mm
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Internal pipe diameter and thickness
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dia.=37±0.7mm ＆=1.6mm
dia.=47±0.7mm ＆=1.6mm
dia.=58±0.7mm ＆=1.6mm
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Pipe length
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1500 1600 1700 1800 1900 2000 2100mm
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Absorptive coating property
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Structure
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Cu/ss-aln(h)/ss-aln(L)/aln
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Sediment method
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3 target magnerton sputtering plating
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Specific absorption
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as=0.90~0.93(AM1.5)
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Emission ratio
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0.05~0.075 (80℃±5℃)
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Vacuum tightness
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P≤5.0×10-³Pa
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Idle sunning property parameters
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Y=260～300㎡℃/KW
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Solar irradiation for obtaining a preset water temperature
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H≤4.7MJ/㎡
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H=3.7~4.2MJ/㎡
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H≤3.7MJ/㎡
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H=2.9~3.2MJ/㎡
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Average heat loss coefficient
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Ult=0.4~0.6W/(㎡℃)
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Starts up fasy and collects solar energy full.
Unique super pure copper surface, allowing lower reflection and minimal heat loss.
High level vacuum ensure operation under cold weather.
Hoping doing business with you in future.