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Solar Collectors (881)

Unpressurized solar collectors

FOB Price: US $ 50 - 220 / Set | Get Latest Price
Min.Order Quantity: 1 Set/Sets Larger quantity, lower price
Supply Ability: 800 Set/Sets per Week OEM order accept
Port: Shanghai/Ningbo
Payment Terms: L/C,D/A,D/P,T/T
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Quick Details

Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Sunny water /OEM
Model Number:
Vacuum Solar Collector
Water Heater
Pipe Material:
Solar collector:
unpressurized type
Vacuum tube:

Packaging & Delivery

Packaging Details: Split pressurized solar water heater Standard export carton, special packing for sample order
Delivery Detail: Within 10 working days after receipt of the deposit

Unpressurized solar collector



1. Applicable to solar hot water supply/ swimming pool heating/ house heating.

2. Operates automatically, telecommuting controlling.

3. The design allows for versatile architectonic integration.




1. It is the system that can place most vacuum tube in unit area.

2. Adopt natural circulation, Without electricity, Reliable operation, Low failure rate, Almost free maintenance.

3. Relatively speaking, the cost of the collector is less than others.

4. Due to place the vacuum tubes in the horizontal direction, the central collector pipe is the channel in the up-and-down direction, Provided the possibility for empty the system.

So it can realize anti-freezing and provide lots of water. When the system stop working, still have lots of hot water in vacuum tube, using the empty technology can enjoy more water.

5. The distance between the bottom of tank and up end of the collector should more than 0.5 m.

6. The up circulation pipe should lay in a third of tank.



                Vacuum tube solar thermal Collector - Non pressurized type
Out sheelPainted galvanized steel
Inner sheelSUS304-2B food grade stainless steel
Insulation layer35mm high density polyurethane
Tube structureAll-glass double deck co-axial structure
Glass materialHigh borosilicate 3.3 glass
Absorptive coating propertyTube sizeDia. 58*L.1800mm
Sediment methodThree targets magnetron sputtering plating (Cu/Al/SS)
Bracket:Strong galvanized steel
Bracket angle:22, 38, 45 optional, pitched roof, flat roof optional.
Model No.Vacuum tubesHeat CapacityAperature Area
Tube No.Dia. - Len.(L)( m2 )
Vertical Type
Horizontal Type






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Haining Ocean Import and Export Co.Ltd located near the most beautiful city which we call her paradise---Hangzhou.About 80KM away from the West Lake and 130KM away Shanghai. This city owned a wonderful name, Home Town of Leather, Haining,which also has the largest solar products base of production,fur base here and other kinds of handicraft products.We here to thanks for the advantages of location and well developed economic reform.Our company founded in the year of 2005 working on handicraf... View detail

Basic Information

Business Type: Trading Company  
Main Products: Solar Water Heater,solar collector,solar panel,Textile  
Number Of Employees: 11 - 50 People  

Trade & Market

Main Markets: Mid East
North America
Eastern Europe
Total Annual Sales Volume: Below US$1 Million  
Export Percentage: 11% - 20%  

Factory Information

Number of R&D Staff: 5 - 10 People  
Number of QC Staff: Less than 5 People  

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How It Works

China (Mainland) | Trading Company | Contact Details
Experience: Established 2006

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Ms. miya xiong
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