This is a kind of solar water heating systems that the bellow collector directly connect with the above water tank. This solar water heaters do not need to run the pump to force and do not require pipeline connections between the collector and the tank. This is a simple and secure way to collect solar energy. This working principle of solar water heater is make it natural circulation between the water tank and the collector pipe. After the water in vacuum tube heated, natural convect into the water tank, meanwhile cold water in the tank flows down to the vacuum tubes, that is natural to run continuously to heat the water tank.
Water heating features
1. The life of the vacuum tubes is 15 years
2. Resists 25mm hail
3. High efficiency vacuum tube
4. Stable and reliable performance, well resistance
5. Foam density: 40kg/cm3
6. Anti-freezing-55 degrees
7. 55mm Foaming Polyurethane Insulation
For the present, our company has obtained CE Certification, the SOLAR KEYMARK and SRCC are testing in Germany for TUV. Furthermore, we have advanced testing devices, high level and highly qualified production team and perfect after-sales services.
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Brand name |
SUNFIELD |
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Product name |
Thermosyphon Unpressurized Water Heating |
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Model |
SF-1800/58-470-15-SCN |
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Capacity |
150L |
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Product features |
1. Installation angle: 20°
2. Suitable to the low latitude area
3. Absorb more sun radiation, ensure high efficiency |
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Outer tank |
0.4mm thickness powder coatedcolour steel |
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Inner tank |
0.5mm thickness SUS304-2B stainless steel |
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Insulation |
55mm thickness polyurethane foam |
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Foam density |
40kg/cm3 |
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Frame |
1.2mm thickness Zinc-plated with plastic spray coating |
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Vacuum tube |
Material:Borosilicate glass 3.3,AL-N-AL absorb coating
Size:Φ58*1800mm
Quantity:15pcs |
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Seal material |
Stabilized High Temperature Silicon |
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Electric heating |
1.5KW-3.0KW |
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Assistant tank capacity |
2L,5L,10L,30L,50L,100L,150L etc |
Changzhou Sunfield Solar Technology Co., Ltd. is a leading technology, energy-efficient modern enterprise which is engaged in the research, development, manufacturing and marketing of solar water heaters. Our company has advanced foam equipment from Italy and Gemany. Welding equipment from the USA, and advanced numerical-controlled punch presses and other sophisticate instruments.
Our company covers an area of over 50, 000m2 and has over 100 employees with annual output of 100, 000 sets.
Strictly according to ISO9001: 2008 quality system, following international market, relying on our talents and powerful R&D ability, upgrading and renewing products continuously, our company has established a modern enterprise system and become integrated with the world market.
For the present, our company has obtained CE, SOLAR KEYMARK and SRCC certificate. Furthermore, we have advanced testing devices, high level and highly qualified production team and perfect after-sales services.
Considering quality as foundation and customer satisfaction as our aim, we keep on developing and innovating, and working hard in the field of environmental friendly, safe and energy saving solar energy. Relying on high quality products and perfect after-sales services, our products are sold to many countries and regions. We are looking forward to our close cooperation.
