Technical Data:Collector:Type name: 12/1.8Flat plate/evacuated/subatmosphericEvacuatedGross area: 2.320m2Apture area: 1.133m2Absorber area: 0.970m2Weight empty: 47.5 kgFluid content: 1.37 LNumber of covers: 1Cover of materials: Borosilicate glassCover of thickness: 1.8 mmNumber of tubes or channels: 12Tube diameters or channel dimensions: Φ 58 mmTube or channel pitch: 88 mmHeat transfer medium: Water/oil/other Water-GlycolSpecifications(additives etc): __Alternative acceptable heat transfer fluids: __Absorber:Materials: GlassSurface treatment: Graded AlN/SS -AlN/Cu on glassConstruction type: Evacuated double glass tube, Heat-conducting metal sheet, Heat pipe CuDimensions: Diameter: Φ 47 mm length: 1.724 mThermal insulation and casing:Thermal insulation thickness: Average 20 mmInsulation material: Polyurethane + Glass woolGross dimensions: 1.990 m * 1.164 mAperture dimensions: 12 * 0.0544 m * 1.735 mSealing material: Silicon rubberLimitations:Maximum operation temperature: 250 centigradeMaximum operation pressure: 6 barSolar collector descriptionName of manufacture: Erjin Solar Energy Equipment Co., Ltd.Collector:Type name: 12-58Flat plate/evacuated/subatmosphericEvacuatedGross area: 2.74 m2Apture area: 1.67m2Absorber area: 1.44m2Weight empty: 65 kgFluid content: 2.72LNumber of covers: 1Cover of materials: Borosilicate glassCover of thickness: 2.1 mmNumber of tubes or channels: 15Tube diameters or channel dimensions: Φ 58 mmTube or channel pitch: 88 mmHeat transfer medium: Water/oil/other Water-GlycolSpecifications(additives etc): __Alternative acceptable heat transfer fluids: __Absorber:Materials: GlassSurface treatment: Graded AlN/SS -AlN/Cu on glassConstruction type: Evacuated double glass tube, heat-conducting metal sheet, U-tube CuDimensions: D: Φ 47 mm L: 1.524 m D: Φ 47 mm L: 1.524 mThermal insulation and casing:Thermal insulation thickness: Average 20mm Average 20mmInsulation material: PolyurethaneGross dimensions: 2.235 m * 1.224 m 1.935 m * 1.462 mAperture dimensions: 12 * 0.0544 m * 1.735 m 18 * 0.0544 m * 1.750 mSealing material: Silicon rubberLimitations:Maximum operation temperature: 250 centigradeMaximum operation pressure: 6 bar