solar hot water heater

solar hot water heater It is one of the most common used solar water heating system for household, hotel, hospital, project application etc. It has simple structure and working principle but is the most economical. It is easy to be installed on the roof to get enough water flow pressure, because the compact system is non-pressurized, water flow depending on gravity water head. This system matched with vacuum tube solar collector. Water flow inside and complete a circulation on it own without given pressure, that is how the name comes from. Specifications: 1) Thickness of bracket: 1.5mm2) Vacuum tube: 58mm x 1.8m x 15pcs - 36pcs3) Inner tank: SUS304-2B food grade stainless steel4) Outer tank: FVDF1005) Capacity: 150L - 360L6) Insulating layer thickness: 50mm - 60mm7) Inner tank thickness of: 0.4mm - 0.5mm8) Tank diameter: 46eter: 46eter: 460mm9) Pressure: 0Pa10) Heat preservation: 72hrs 11) Hail resistance: 25mmKey Features 1. Inner tank material: Standard stainless steel 304-2B grade, thickness up to 0.5mm. 2. Outer tank material: Galvanized Steel or stainless steel, thickness 0.31mm. 3. Heat insulation layer: 50-60mm integral foam polyurethane. 4. Frame: Galvanized steel coated anti-corrosion layer or stainless steel, it can be settled on inclined and flat roof. 5. Accessories such as screws, gasket rings and connectors are free. All installation and operation documents are free. Evacuated Tube Specification Diameter × Length m² Ø47 x 1500, Ø58 x 1800 Vacuum degree Pa 5 x 10 -3 Absorptivity >0.93 Emissivity <0.08 Heat transfer power KW/ m² 26000 Anti-freeze ºC -10 Anti hail mm Diameter<25mm Frame/ Connector Anti-wind m/s 26.5 Inlet outlet dimension G G1/2 ModelTube specificationCapacity20'GP40'GP40'HQJNYL-15φ58mm*1800mm*15150L4285107JNYL-20φ58mm*1800mm*20200L367291JNYL-25φ58mm*1800mm*25250L306177JNYL-30φ58mm*1800mm*30300L265266JNYL-36φ58mm*1800mm*36360L204150 Inner tank materialSUS304-2B stainless steel with 0.4mm thicknessOuter tank materialSUS304-2B stainless steel with 0.4mm thickness or SUS202-2B stainless steel with 0.4mm, or color steelVacuun tube materialborosilicate glass 3.3; three target (CU-SS-AL)absorb coatingHail resistance25mmInsulation material50-60mm foaming polyurethaneCapacity100L--360LSealing materialsilicon rubberInstallation angle20,38,40,45Frame materialSUS202 stainless steel with 1.2mm thicknessReflector materialaluminium or stainless steelOptional electrical heater1.5 3.0KW