China Compact Low Pressure Solar Water Heater

1)Inner water tank shell all are made of SUS3042B food grade stainless steel plates, welded by argon arc. Outer tank and frames are made of color steel or zinc-coated material. Water is pure and drinkable. Inner tank thickness is 0.4mm, the highest thickness for SP-R direct insert lower pressure can be 0.8mm.
2) Heat insulation of water tanks adopts polyurethane foam and the thickness is 55mm
3) Silicon rings to connect and seal them
4) The tubes and supports are adjustable. The power bearing is average and can assure the vacuum tubes to use for a long time
5) Whole glass vacuum tubes adopt super hard borax and silica glass
6) Absorption rate: ≥93%, thermal radiation rate: ≤6%
7) It resists 25mm hail and the using life can last 15 years
8) Temperature when exposed to sun without water: 250,2.5 hours to boiling point if using single tube
9) If you use electrical appliances to aid heating and to switch off the power supple before bathing
10) Please test the water temperature before using, in order to avoid scalding.
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0.8mm inner tank stainless steel SUS 304 2B

TypeSP-R (Compact Non Pressure SWH)Outer Tank MaterialWhite color steelOuter Tank Diameter420mm, 470mm , 500mmInner Tank MaterialFood grade SUS304 2B stainless steel plateInner Tank Diameter310mm, 360mm , 380mmVacuum Tube MaterialHigh quality borosilicate glassVacuum Tube Size(mm)47/1500, 58/1800, 70/1700 (diameter/length)Tube Number8/10/12/13/15/16/18/20/22/24/30frames (Stand Parts)Galvanized plateframe Colorred, black, silvery, blue, dark greenInsulation LayerHigh quality polyurethane foam made by advanced
high pressure foam machineInsulation Thickness55mm(outer tank 420 or 470mm ), 60mm (outer tank 500mm )Hail Resistance25mmOperation Pressure75Kpa(max.)Standard QualifiedCE, CCC,Solar Keymark EN12976, SABS