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Siema designed this pressurized system which is non-pressurized tank containing pressurized copper coil that can meet any requirement of pressure drop, the copper coil is a heat exchanger calculated carefully to give the highest efficiency even with high water flow consumption.
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Siema Products & Solutions
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Brief Specification:
● Inner tank: is made of stainless steel SUS304/SUS316; thickness: 1.0 mm - 1.2 mm.
● Outer tank: Pre-painted galvanized steel/ aluminum-zinc coated or powder coated galvanized steel, 0.5-0.4mm.
● Insulation: polyurethane 60-50mm thickness.
● Vacuum tube: QB-AL-N/AL, 1800-58
● Coil: red copper heat exchanger with a diameter of 12 mm.
● Frame: coated galvanized steel.
PRESSURIZED SOLAR WATER HEATER- copper coil
Clean,high conversion efficiency,large volume assistant tank is more reliable
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● The tank is made of stainless steel SUS 316/304 which belongs to food grade and have better resistance to corrosion.
● The life cycle is much longer because of the high thickness of the inner tank and the Argon welding.
● very efficient heat exchanger; the temperature difference between the heating water and the domestic water is 4-3 C°.
● The tank is non-pressurized, it should always be opened to the atmosphere pressure.
● The tank should always be filled with water to avoid any damage to the tank.
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● Designed to accept mains pressure cold water
● Copper coil heat exchanger can be used as part of a closed or open loop system, providing heating to a main hot water tank
● Freezing is of minimal concern for SFD series
● Reliable, efficient, twin-glass solar tubes
● Superior heat preservation with 50 - 65mm polyurethane tank insulation
● Outer tank material: stainless steel plate or powder coated color steel sheet
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