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Product Description
Solar Collector 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 1With a testing pressure of 1.0 MPa, this system has a working pressure of 0.6 MPa. 2Solar water heaters can still work even with several tubes broken. 3Highly 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 Zinc coated steel sputtering manifold. Frame Zinc coated steel corner sputtering frame Heat pipe type Big heat pipe Insulation Polyurethane Tested pressure 1.0MPa Working pressure 0.6MPa Daily efficiency >50%
solar water heater collector