Solar Water Heater

Model No.ZAP-24Basic Technical Information of Solar Water HeaterQuantity of Vacuum Tubes24Absorber Area (m²)2.8Volume (liters)221±1Application People No.67Gross Weight (Kgs)108Conveyance Q.T.Y (sets) 20GP/40HQ24/60Technical Information of Vacuum TubeStructureAll Glass Coaxial double-layersMaterialBorosilicate Glass 3.3Outer Tube Diameter (mm)58±0.5Outer Tube Thickness (mm)1.8±0.15Inner Tube Diameter (mm)47±0.3Inner Tube Thickness (mm)1.8±0.15Length of Tube (mm)2100>±0.6Weight of Vacuum Tube (kgs)2.4±0.18Properties and Structures of the Absorption CoatingsStructureParent metal/AL-N/ALDepositionThree-target DC magnetron reaction SputteringAbsorptanceas=0.93 0.96(AM1.5)Emittance Ratioεh=0.04 0.06(80±5)Vacuum TightnessP≤5.0X10-3(Pa)Unloading Radiation Performance ParametersY=220 260m2./KWIntegral Solar RadiationH≤4.7MJ/m2(Φ58)H=4.1 4.4MJ/m2Average Heat Loss CoefficientULT=0.6 0.7W/(m2.)Anti-freeze IntensityMinus 50 degree centigradeAnti-Hailstone Force AbilityHailstone Diameter φ25mmTechnical Information of TankMaterial of Inner Water TankStainless steel SUS304 2B food gradeInner Water Tank Diameter (mm)360Inner Water Tank Thicness (mm)0.38Water Tank Shell Diameter (mm)460Water Tank Shell Thickness (mm)0.32Material of Water Tank ShellStainless Steel /Antisepesis Pearl Ceramic Board,PVDF>=70%Material of Layer for Heat PreservationFoaming PolyurethaneThickness of Layer for Heat Preservation (mm)55-70Close-Cell of Layer for Heat Preservation0.67Thermal Conductivity of Layer for Heat Preservation19.83mw/m.kTechnical Information of BracketMaterial of BracketStainless Steel/Galvanized Steel or Aluminum AlloyFastenersInternational Standard Stainless ScrewSealing RubberSilicon RubberAngle of Bracket23°-52°