Zhejiang Shentai Solar Energy Co., Ltd.  

Product Name: Suntask Low Pressure Solar Water Heater with Assistant Tank with 25 Degree frame Model NO.: ST20-180(200L) Certification: ISO9001, Inmetro Composition: Tank Insulation Collector Components: Glass Vacuum Tube Interior Material: Stainless Steel Pressure: Unpressurized Structure: Compact Type Max. Capacity: >200L Capacity: 80L, 100L, 120L, 150L, 200L, 240, 300L Inner Tank: Stainless Steel SUS304-2b/SS316L Outer Tank: PVDF/Stainless Steel frame: Galvanized Steel / Stainless Steel Tube: Vacuum Tube Made of Borosilicate Glass Optional Part: 5L Assistant Tank, Can Feeding Water Automatic Electric Heater: 1500W/2000W Trademark: suntask Transport Package: Standard Carton Box, Wooden Box, Wooden Pallet Specification: stainless steel inner tank Origin: China HS Code: 8419191000 Product Description Anti Freezing Three Target Vacuum Tube Direct Plug Compact Non Pressure Solar Water Heater ST15-1801. Designed for South Africa2. Inner tank: SUS304 Stainless Steel3. Outer tank: PVDF / Color steel /stainless steel4. frame: Aluminum alloy / Galvanized steel5. Capacity: 150-360L6. Heat preservation: 60-72h7. Hail resistance: 25mmStorageTankInnerTankSUS304-2BfoodgradestainlesssteelInnerTankThickness0.4mmOuterTankPVDF0.4mmwhichisgoodatanticorrosionInsulatingLayerPolyurethanceFoam50mmVacuumTubeMaterialoftheglasstubeBorosilicateglassAbsorptiveCoatingGradeALN/AIN-SS/CULengthofOuterTube1800mmLengthofInnerTube1755mmOuterTubeDiameter58mmInnerTubeDiameter47mmGlassThickness1.6mmDistancebetweentwotubes75mmThermalExpension3.3*10-6/ºCAbsorptioncoefficient95±1%Thermalemsisioncoefficient5±1%VacuumP≤5.0*10-3PaStagnationTemperature>200°CAverageheatloss<0.8w/m2.°CMaximumstrength0.8MpaResisthailstoneΦ25mmResistwind30m/sSupportframeMaterialGalvanizedSteelThickness1.5mmAngle45°/38°/25°Lifetime15yearsSuper Anti-erode outer tank: Outer tank is made by PVDF. Best anti-erode material. Especially for the seaside area, such as East South Asia etc.Feeding water automatic: With special design, feeding water automatic,and ensure the outlet water as stable temperature.