Blue titanium flat plate solar water heater accord

1.parts of a flat solarpanel Frame,Absorber,Thermal Insulation Basic information: Dimension LxWxH (mm)2050*1050*80Gross Area (m2)2.15Aperture Area (m2)1.93Absorber Area (m2)2.05Number of covers1Cover materialLow iron,tempered glassCover Thickness(mm)3.2Cover Transmission>92%Weight35Kg Absorber: MaterialAluminium boardSurface TreatmentBlueTitanium ( Sputtering )Absorptivity95±2%emissivity5±2%Construction TypeGrid typeHeader MaterialCopper TP2/CA1220Header tuber sizeΦ22mm*Thickness 0.6mmRiser MaterialCopper TP2/CA1220Riser tuber sizeΦ8mm* Thickness 0.6mmWork Pressure0.75MpaTest pressure1.2Mpa,keeps 5 minutes Thermal Insulation: Insulation MaterialFiberglassInsulation Thickness35mmDensity35kg/cube Casing: Framealuminum alloyFrame Coloursilver or blackBack Plategalvanized aluminium sheetSealing GasketEPDM 2.details of flat panel Header Material:TP2 copper with "D" cross section:increase efficiency of products, as it will increase the welding area,heat absorption capacity laser beam welding:Advantage: A.Spot welding--high intensity B.Hard to split away off no matter high or low temperature C.Longer service life cause no damage to the surface of copper tube D.Less damage to the absorber,more area to collect the thermalenergy E.Panel welding to increase bearing pressure and efficiency Ventilation:usually aluminium frame has totally2 piece of ventilation,to increase the efficiency. "L" connnection between two aluminium frame:odontoid---much more attractive and much more firm 3.Package: Full package:use for long transportation 4.Service time of this solar flat panel: 25 years 5.Warranty: Panel:5years Other accessories:1 year