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solar water heater with heat pipe Description

Features: Evacuated tubes convert solar energy into thermal energy that is transferred to heat pipes by an aluminum fin with high solar energy absorption and low heat radiance loss. The heat pipe adopts such kind of character that could transmit quantity of heat under low temperature. Character: 1. With a testing pressure of 1.0 MPa, this system has a working pressure of 0.6 MPa. 2. Solar water heaters can still work even with several tubes broken. 3. Highly efficient insulation with integrated polyurethane foam. Technical data: Number of Tubes 10, 15, 20, 22, 25, 30 Length of Tube 1800 mm Outer Tube Diameter 58 mm Inner Tube Diameter 47 mm Glass Tube Thickness 1.6 mm Tube Thermal Expansion 3.3 X 10 -6 oC Tube Material Borosilicate Glass 3.3 Absorptive Coating Graded AI-N/AI Absorptance > 90% (AM 1.5) Emittance 7 % (100 oC) Vacuum P < 0.005 Pa Stagnation Temperature < 220 oC Heat Loss < 0.8 W/m2. oC) Reflector Ginning Alumnium reflector plate The out cover of the solar connector Alummium aloy manifold. Frame Alummium aloy frame Heat pipe type Big heat pipe Insulation Polyurethane Tested pressure 1.0MPa Working pressure 0.6MPa Daily efficiency >50%

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