separate flat panel solar water heaters

Flat panel solar water heaters: I. features: FlatSolarCollectorwithpressurebearingfunction.Theimportantpartismadeofblackchromeplating highqualitybrassprocessedbyspecialtechnologyafterUltraacousticwelding.Thecharacteristicof thiskindofsolarcollectoris:highsolarradiationheatabsorptionratio,lowemissivity,high pressurebearingability(1MPa 1.5MPa);dependingontheclimatecharacteristicofEuropean countriesandsouthpartofChina,strictdesignforleakagefreestructurehasbeenapplied. Theefficiencyofwholesetsolarcollectorcanreachnolowerthan50%. II.Specifications: CopperRiserTubesSpec.&Qty(mm) dia.10*δ0.45*1886,8pcscopper CopperHeaderTubesSpec.&Qty(mm) dia.22*0.60*1060 2pcscopper CopperAbsorberFinSpec.&Qty(mm) 125*δ0.15,8pcs,allcooperfin,ultrasonicwelding SpectrumAbsorberCoating Anodizedoxidation OpticalPerformance absorption 95%,emission 18% InsulationMaterial 50mmfiberglasscotton Frame Aluminumalloyframe Glass texturedtemperedglass GrossArea 2sq.m CoverThickness 4mm ApertureArea 1.84sq.m HeatTransferFluid portablewaterandotherheattransferfluid FluidVolume(l) 1.9 BackingSheet galvanizedplate NetWeight(kg) 35 GrossWeight(kg) 35.5 NetDimensionL*W*T(mm) 2000*1000*82 PackageDimension(mm) 2010*1010*90 Qtyfor20'GPContainer 150PCS Qtyfor40'GPContainer 300PCS III. working priciples: The collector absorbs solar energy and transmits it to the water tank through circulation.When the temperature of the collector reaches the set value, the controller starts the circulation pump automatically.The circulation pump makes heat-conducting liquid circulate automatically. Then the heat-conducting liquid transfers heat to water by heat exchanger in the tank to heat the water.