Heat Pipe Solar Collector

Heat pipe solar collector Description: 1)Manifold flow pass:copper 2)Manifold Casing Material: Aluminum Alloy/Stainless Steel 3)Insulation: Polurethane / rock wool 4)Frame Material 1.5mm thickness Galvanized steel or 2.0 mm Aluminum alloy 5)Glass tube dimensions: 47x1.5mm, 58x1.8m 6)No. Of vacuum tube: 5-30 PCS for one collector 7)Daily efficienty 55%, ≥ 45% in winter 8)Coating of vacuum tube: CU-SS-AL-N-AL 9)Heat pipe: Anti-freezing >-35 centigrade 10)Optimal installation angle 30-70 Vertical. 11)Operating Pressure 6 bar-12bar