Solar Water Heater

Compact Thermosyphon Solar Water Heater with Low Pressure

Solar Water Heater

Key Specifications/Special Features of Solar Water Heater:

  • Inner water tank shell is made of SUS 304-2B food grade stainless steel plates and outer tank shell is made of color steel plates, welded by argon arc
  • Water is pure and drinkable
  • Heat insulation of water tanks adopts polyurethane foam and thickness is 55mm
  • Silicon rings to connect and seal them
  • Tubes and supports are adjustable
  • Life of vacuum tubes is 15 years
  • Whole glass vacuum tubes adopt super hard borax and silica glass
  • Absorption rate: 93%
  • Thermal radiation rate: 6%
  • It resists 25mm hail and the using life of whole system can last for 15 years
  • Temperature when exposed to sun without water: 250°C, 2.5 hours to boiling point if using single tube
  • If you use electrical appliances, it will begin to work when the temperature of water is below 60°C and will switch off automatically when temperature reached 60°C
  • Have to test water temperature before using, in order to avoid scalding
Production model SS500/470/420-58/1800 (47/1500)-12 to 30
Inner tank SUS 304-2B (0.5mm)
Outer tank SUS 304-2B (0.4mm) or galvanized steel (0.4mm)
Insulation Polyurethane foam (55mm)
Flow type Thermosyphon
Tube diameter 58/1800 and 47/1500mm
Evacuated tube High boron-silicon
Coating of absorber on glass tube Aluminum, stainless steel and copper
Frame material SUS 201 (1.2mm) or aluminum alloy frame (3.0mm) or galvanized steel (1.5mm)
Maximum operation pressure (bar) 0.6

Solar Water Heater