solar heat pipe

Solar water heat pipe is made of copper pipe,aluminium fin,vacuum tube and water flow tube.Copper pipe specification:length:1800 Length According to Your Requirment Diameter of Absorbance Pipe:8 optional10/12Diameter Thickness of Absorbance Pipe:0.7 Optional 0.5 to 0.8ThicknessDiameter of Condenser:14 Optional 12 to 24 DiameterLength of Condenser: 65 Optional Length 40mm to 80mmThickness of Condenser:1 Optional 1mm-1.5mm thicknessAluminum fin:8pcs for one tubeVacuum tube specificationOut diameter/Inner Diameter (MM): 37/47 58/47 Length of Tube (MM): 1500,1800Thickness of Tube (MM) 1.60plusmn;0.15selective absorbing surface 3layers,aluminum-nitrogen-carbon (Al-N-C)Material Borosilicate glass 3.3Color BlueThermal Expansion 3.3*10-6/kMaximum Strength 0.6 MpaAbsorption of Selective Coating above95% Emission of Selective Coating below 5 %Stagnation Temperature above200m2°C/KWSolar Irradiation for Water Temperature Rise below3.0MJ/ m2Coefficient of Average Heat Loss below0.70W/(m2 &d
solar heat pipe