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unpressurized solar water heater
unpressurized solar water heater

unpressurized solar water heater compact unpressurized solar water heater CCC,CE,ISO9001:2000,solar keymark

unpressurized solar water heater solar water heater detailed specification:

1) Outer tank: stainless steel sheet with 0.4mm thickness

2) Inner tank: food grade SUS304-2B stainless steel with 0.4mm thickness

3) Supporting frame: 1.5mm galvanized plate

4) Vacuum tube:  Φ58mm×1800mm

5) Tube quantity: 12,15,20,25,30 and so on

6) Insulation: 55mm thickness polyurethane foam

7) Tank capacity: 120 ,150,200,250,300L and so on

8) Area of collector: 1.80 m2 and so on

9) Hail resistance: 25mm

10) Pressure resistance: 0.03Mpa

Working principle:

The non-pressure thermosiphon systems rely on the nature circulation of the water between solar tubes and the water tank. Thermosiphon systems work on principal of heat rising. The water enters in the bottom of the collector and rises to the tank as it warms. The advantage of this system is that solar heat is stored in a well-insulated tank, so hot water can be used at any time without the penalty of overnight losses. Moreover the insulation of the tank can protect heat during 3 days without heat loss.

unpressurized solar water heater

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