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Compactg 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 bottomof the collector and rises to the tank as it warms.
The advantage of this system is that solar heat is storedin 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.
Descripition | Compact non solar water heater Galvanized steel |
Material of out tank | Galvanized steel 0.4mm |
Material of inner tank | 0.31-0.5mm thickness SUS304 stainless steel |
Tank insulating layer | 55mm 45kg/m³ high-density polyurethane foamed |
Inlet and outlet hole | Male G 1/2, 3/4 |
Max pressure | 0.05 Mpa |
Solar collector tube | 3.3 Borosilicate glass with Cu-SS-ALN/ANL. coating |
Thickness of glass tube | 1.6mm |
Vacuum tube tightness | P≤0.005 Pa |
Absorption | AS=0.93-0.96(AM1.5) |
Emission ratio | εh=0.04-0.06(80C±5C) |
Idle sunning property parameters | Y=220~260m2.C/KW |
Average heat loss coefficient | ULT=0.6~0.7W/(m2.C) |
Bracket: | 1.4mm thickness Galvanized steel with paint |
Structure of tank: | 5 holes for air vent,overflow,water inlet outlet,electric heater. |
Welding: | Argon arc welding |
Fastening pieces: | Made of stainless steel screw |
Tube quantity | 18 tube 58x1,800mm |
Tank capacity | 180L |
Afford for house | 3-4persons |
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