Compact non pressure solar water heater relies on the nature circulation of the water between solar tubes and the water tank. Thermosyphon systems work on principal of heat rising. The water enters in the bottom of the collector and rises to the tank as it warms.
300L SOLAR WATER HEATER STAINLESS STEEL | |
Product name | Compact non pressure solar water heater |
Inner Tank Material | Food grade SUS304 2B or SUS316L |
Inner Tank Diameter | Φ360mm;Φ370mm;Φ380mm;Φ420mm |
Inner Tank Thickness | 0.31mm;0.38mm;0.4mm |
Outer Tank Material | SPCC;PVDF;SUS304;SUS316;Colorful plate |
Outer Tank Diameter | Φ460mm;Φ470mm;Φ480mm;Φ520mm |
Outer Tank Thickness | 0.38mm 0.45mm 0.7mm |
Tube Material | three-target all glass vacuum tube |
Vacuum Tube Size(mm) | 58/1800 (diameter/length) |
Tube Number | 9/10/12/15/18/20/24/30/32/36/40 |
Solar absorptance α | ≤93%≤96% (MS) |
Frames (Stand Parts) | Galvanized plate, Stainless steel or Aluminum alloy |
Insulation Layer | High quality polyurethane foam made by advanced high pressure foam machine |
Insulation Thickness | 50mm,55mm,60mm |
Foam density | 40kg/m3 |
Material of tank cover | Galvanized steel/Stainless steel |
Holes of tank | Water inlet /Water outlet/Air vent/Assistant tank——–3/4 inch |
Tank welding | High frequency welding/Argon arc welding |
1.Solar water heaters of all glass evacuated tube collector integrated with storage tank, are ideal for use in houses and other applications where cheap, reliable hot water supply is required. They are simple, economic and practical.
2. As the specific gravities of hot water and cold water are different, cold water goes downward and hot water goes upward.
3. When cold water in evacuated tubes is heated, it becomes lighter and goes to the water tank, while cold water in the tank goes down to the evacuated tubes
4. Through this circulation, the cold water in the water tank will be gradually heated.
1. Cheap and reliable solution, Simple structure, Easy installation
2. High efficiency
3. Withstands water pressure no more than 0.1MPa
4. Operated without any power supplying
5. Electric heater can be used as back up in rainy days
6. Hot water can be used directly, or can be used as a pre-heated
1. Assistant tank: 3/5/8/10/12L
2. Controller
3. Electrical heater: 1.5/2/2.5kw
4.Magnesoum bar
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