Solar Water Heaters


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The Ejai Solar Collector or Solar Water Heater is a device that absorbs thermal energy from the sun and converts it into usable heat.Basic information of Ejai Solar Collector:
Model number: YYJ-C01 US style
Type: Evacuated vacuum tube solar collector
Pressure: Pressurized system
Circulation type: Closed loop
Installation: Both standing & freestanding
Normally tube quantity: 15 tubes to 30 tubes
Place of Origin: Zhejiang, China
Key features of the Ejai Solar Collector.
1. Internationally certified product (SRCC)
2. Copper heat pipes for rapid heat transfer and freeze resistant.
3. Reliable, efficient, tri-element evacuated vacuum tubes
4. Easy plug-in installation
5. Maintenance free
6. Suitable for mains pressure water (up to 6bars, max. 10 bars)
7. Corrosion resistant material (aluminum and copper)
8. Aluminum frame 2.0 mm thickness
9. Black or Silver aluminum casing in good insulated
10.Stable solar conversion throughout the day
11.The best solar collector for domestic solar water heater systems
12.Ideal for commercial solar water heater applications
13.Comprehensive 10 years limted warranty (life time will be more than 15 years)

Solar collectors can be used in a large variety of applications. The main areas of applications include:
1.Solar water heating, which includes thermosyphon, integrated collector storage systems, air systems, direct circulation and indirect water heating systems.
2.Solar space heating systems, which includes both water and air systems.
3.Solar refrigeration, which includes both adsorption and absorption systems.
4.Industrial process heat systems, which include both low temperature (air and water based) applications and solar steam generation systems.
5.Solar desalination systems, which include both direct (solar stills) and indirect systems (conventional desalination equipment powered by solar collectors).
6.Solar thermal power generation systems, which include the parabolic trough systems, the power tower or central receiver systems and the parabolic dish systems (dish/Stirling engine).
The working principle of solar collector is very simple.
1.Solar Absorption: Solar radiation is absorbed by the evacuated vacuum tubes and converted into heat.
2.Solar Heat Transfer: Heat pipes conduct the heat from within the solar tube up to header.
3.Solar Energy Storage: Water or water mix is circulated through the header, via intermittent pump cycling. Each time the water circulates through the header the temperatures is raised by 5-10oC / 9-18oF. Throughout the day, the water in the storage tank is gradually heated.

Ejai Solar Collector General Specifications
Manifold Casing Material
2.0mm Aluminum Alloy (grade 3A21)
Frame Material
1.6mm Galvanized steel
Header Pipe Material
99.93% pure copper
Insulation
Compressed Rock Wool & Polyurethane Foam
Rubber Seals and Rings
HTV grade silicone rubber
Flat roof installation angle
45°
Maximum Operating Pressure
6bars
Optimal flow rate
0.1L/min/tube 0.026G/min/tube
Performance Data
See OG100 testing reports



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1. Balcony solar collector can be installed one the building wall, and balcony, which can make full use of limited installation areas for high buildin...

Zhejiang Ejai Solar Technology Co., Ltd.

China [Beijing]
Contact Now
The selective coating on the inner cover of the vacuum tubes converts solar energy into heat energy and transfers heat to the heat pipes by aluminum f...

Zhejiang Ejai Solar Technology Co., Ltd.

China [Beijing]
Contact Now
Heat pipe solar collector is connected with existing heating supply device. The selective coating on the inner cover of the vacuum tubes converts sola...

Zhejiang Ejai Solar Technology Co., Ltd.

China [Beijing]
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The vacuum tube can endure the 25mm hailstone. Heat pipe has the functions of one-way heat transfer, small thermal capacity, low start-up temperature....

Zhejiang Ejai Solar Technology Co., Ltd.

China [Beijing]
Contact Now
Heat pipe solar collector is connected with existing heating supply device. The selective coating on the inner cover of the vacuum tubes converts sola...

Zhejiang Ejai Solar Technology Co., Ltd.

China [Beijing]
Contact Now
Solar Collector is a device that absorbs thermal energy from the sun and converts it into usable heat. The heat is normally absorbed by water, or a fr...

Zhejiang Ejai Solar Technology Co., Ltd.

China [Beijing]
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