Герметичный Солнечный водонагреватель

Features for solar water heater:1,freeze-proofing, anti-scale, water purifier (optional);2,high pressure storage tank,no vent and less heat loss;3,no water exists in the evacuated tubes, the solar water heater can still work in the event of occasional tube breakages;4, freeze-proofing, anti-scale, water purifier (optional);5,can be used together with auxiliary electric booster and can be used all year around in cold climate;6,stronger pressure makes your bathing more comfortable;7,large-scale solar hot water system can be installed either with parallel connections or perpendicular connections. It can be combined with the architecture and existing pipeline perfectly. Technical Specifications:Outer water tank:color galvanized steel with 0.5mm thicknessInner water tank:food grade SUS304/2B stainless steel with 0.5mm thicknessLayer for heat preservation:high density polyurethane of 50 to 60 mm thicknessBracket:galvanized steel with 1.5mmthicknessType of vacuum tube:Borosilicate glass 3.3Material of coating:AL-N-AL/Cu-S/S-AL/N absorb coatingHail resistance:25mmCold resistance:-40°CAbsorb rate:≥93%Thermal radiation rate:≤6% TypesLighting areasSpecs of vacuum tubesNo.of Vacuum tubeCapacity of tank(m2)(mm)(L)YJ-15P1.8-P581.8558×180015125YJ-16P1.8-P582.258×180016130YJ-18P1.8-P582.4558×180018150YJ-20P1.8-P582.758×180020165YJ-24P1.8-P583.358×180024200YJ-30P1.8-P584.158×180030250YJ-36P1.8-P585.0458×180036300