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By certification 
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Product name |
Compact non pressure solar water heater |
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Inner Tank Material |
Food grade SUS304 2B or SUS316L |
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Inner Tank Diameter |
Φ360mm;Φ370mm;Φ380mm;Φ420mm |
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Inner Tank Thickness |
0.31mm;0.38mm;0.4mm |
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Outer Tank Material |
PVDF;SUS304;SUS316;Colorful plate |
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Outer Tank Diameter |
Φ460mm;Φ470mm;Φ480mm;Φ520mm |
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Outer Tank Thickness |
0.4mm 0.45mm 0.5mm |
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Tube Material |
three-target all glass vacuum tube |
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Vacuum Tube Size(mm) |
58/1800 (diameter/length) |
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Tube Number |
9/10/12/15/18/20/24/30/32/36/40 |
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Solar absorbance α |
≤93%≤96% (MS) |
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Frames (Stand Parts) |
Galvanized plate, Stainless steel or Aluminum alloy |
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Insulation Layer |
High quality polyurethane foam made by advanced high pressure foam machine |
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Insulation Thickness |
50mm,55mm,60mm |
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Foam density |
40kg/m3 |
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Material of tank cover |
Galvanized steel/Stainless steel |
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Holes of tank |
Water inlet /Water outlet/Air vent/Assistant tank--------3/4 inch |
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Tank welding |
High frequency welding/Argon arc welding |
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Solar Accessories:
Electrical heater serves as backup heating element which ensures reliable and continuous hot water supply in case of rainy or cloudy days.
Intelligent controller makes solar system operation intelligently and automatically, such as water refill, water level & temperature display, electrical heating control etc.
Auxiliary tank works with its inner ball valve to control water refill automatically.
Anode magnesium effectively prevents system parts from water scale and erosion
Working principle of solar water heater:
Compact non -pressure solar water heater relies on density of the water. The cold water and hot water circulate through the collector and water tank. When water in the collector is heated up,, it becomes lighter and naturally rises into the water tank. Meanwhile , cooler water in the tank flows to the collectors.
http://www.inlightsolar.com/
