Compact Non pressurized Solar Water Heater
Features:
This type is a compact non-pressurized system. The design of this type uses the all-glass evacuated solar collector tubes as the heat absorb element. There is a natural circulation system that works on a light absorption principle. Depending on the different density between hot water and cold water, a water flowing cycle is created in the tubes. Hot water flows automatically upwards while the cold water flows down. The water in the storage tank will be heated from this natural circulation.
Description:
Water storage tank
Inner tank: SUS304-2B food grade stainless steel, seamless welding
Outer tank: Stainless
Insulation: Polyurethane, 55-60mm thickness, temperature holding time up to 72 hours
Inlet and outlet hole: 1/2
Vacuum tube
Tube structure: All glass double deck co-axial structure
Glass material: High borosilicate glass 3.3
Tube size: 58*1800mm
Absorptive coating property: 3 targets magnetron sputtering plating Cu/SS-ALN (H)/SS-ALN (L)/ALN
Color of the coating: Mulberry
Vacuum tightness: 5.0 x10-3Pa
Hail resistance: 25mm
Useful life: 15years
Bracket
Bracket: Stainless steel
Installation angel: 15-45°
Accessories
Stainless bolts & nuts, silicon rubber seal, dustproof rubber seal, spring holder
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