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Professional manufacturing Household Unpressurized
Thermosyphon Solar Water Heaters
Solar Water Heater
Description | unpressurized solar water heater system | |
Outer tank
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Special anti-corrosion coloured steel plate(Galvanized sheet) 0.32-0.4mm thickness Tank diameter: 420mm / 460mm / 500mm
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Inner tank
| SUS304-2B food grade stainless steel Inner tank can endure the acid and alkaline quality water 0.33-0.5mm thickness | |
Tank capacity | 90L-500L | |
Structure of tank: | 4holes for air vent,overflow,water inlet and outlet,electric heater,controller | |
Insulation
| 50 to 55mm thickness high density(47kgs / m3) polyurethane foam | |
Vacuum Tube Solar Water Heater | Glass Material | High borosilicate glass 3.3 |
Structure | All-glass double-tube co-axial structure | |
Heat-absorbing layer | Cu/SS-ALN(H)/SS-ALN(L)/ALN | |
Interval | 6.7cm (Φ47x1,500mm) 7.7cm (Φ58x1,800mm) | |
Vacuum tube quantity | 12 / 15 / 16 /18 / 20 / 24 / 30 / 36 pcs | |
Vacuum tube size | Φ47x1,500mm / Φ58x1,800mm | |
thickness of glass tube | 1.6mm | |
Absorption | as=0.93-0.96(AM1.5) | |
Emission ratio | εh=0.04-0.06(80C±5C) | |
hail resistance | 25mm | |
anti-freezing | -35 degree | |
Heat preservation | 72hours | |
Idle sunning property parameters | Y=220~260m2.C/KW | |
Average heat loss coefficient | ULT=0.6~0.7W/(m2.C) | |
Bracket(Supporting frame)
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1.Angle:50,48,45,38. Thickness of bracket: 1.2-1.5mm 2.Material :high quality galvanized anticorrosive steel plate thickening or Aluminium alloy anticorrosive steel plate thickening
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Welding: | Advanced argon arc welding | |
Fastening pieces: | made of stainless steel screw | |
Customized specifications are welcome | ||
Solar Water Heater

Three target solar vacuum tube has advantages of super absorbance, low heat loss .quick temperature rising and reliable quality. Three target solar vacuum tube solar collector has property and special feature As following:
1. All-glass double-tube co-axial structure, high borosilicate 3.3 glass ;.
2. Transmission ratio of the outer glass tube is high efficient;
3. Structure: cu/ss-aln(h)/ss-aln(l)/aln.
4. Sediment method: 3 target magnertron sputtering plating ;.
Comparing to al-n-al vacuum tube, it has advantages in cold area as following:.
A. Absorbance: 12% higher.
B. Emission ration: 30-49% lower.
Professional in vacuum tubes for 15years,we do our best for every client!
We use thickened foam to prevent breakage.

Professional loading, ensure the safety of goods.

Our company are specialized in solar water heater industry 20 years. We have own factory.

Certifications

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