Product Description

Structure All-glass double-tube co-axial structure Glass material High borosilicate 3.3 glass External pipe diameter and thickness Φ=*7±0.7mm&=1.6mm Φ=*8±0.7mm&=1.6mm Φ=*0±0.7mm&=2.0mm Internal pipe diameter and thickness Φ=*7±0.7mm&=1.6mm Φ=*7±0.7mm&=1.6mm Φ=*8±0.7mm&=1.6mm Pipe length **0mm ***0mm ***0mm ***0mm ***0mm ***0mm ***0mm ***0mm Absorptive coating property structure /CU/SS-ALN(H)/SS-ALN(L)/ALN Sediment method 3 target magnetron sputtering plating Specific absorption A=0.*2~0.*6(AM1.5) Emission ratio 0.****0.*6 (*0oC±5oC) Vacuum tightness P≤5.0×***3 Pa) Idle sunning property parameters Y=*****/KW Solar irradition for obtaining a preset water temperature H≤4.7MJ/m2(Φ*8) H=3.*4.2MJ/m2 H≤3.7MJ/m2(Φ*7) H=2.*3.2MJ/m2 Average heat loss coefficient U=0.*0.6W/(*****)