solar water heater--vacuum tube
1.heat pipe solar vacuum tube
2.High heat effectiveness
3.copper pipe
4.aluminium fins
5.CE, CCC, Solar Keymark certificate
Solar water heater--vacuum tubeDescription:Solar vacuum tube is the core component of the solar water heater. Its performance lies on the actual film coating technology.flat or curved aluminum plate inside attached to a copper heat pipe.Technical Specifications for vacuum tube:
Length
1500mm
1800mm
Outer tube diameter
47mm
58mm
Inner tube diameter
37mm
47mm
Weight
1.3kg
2.2kg
Glass thickness
1.6mm
Material
Borosilicate Glass 3.3
Borosilicate Glass 3.3
Absorptive coating
Graded A1/N/A1
Graded A1/N/A1
Vacuum degree
P<5*10 -3 Pa
P<5*10 -3 Pa
Thermal expansion
3.3*10 -6 /°C
3.3*10 -6 /°C
Insolation Temperature
>200°C
>200°C
Absorptance
>93%
>93%
Emittance
<8%
<8%
Heat loss
<0.8W/(m2°C)
<0.8W/(m2°C)
Maximum strength
0.8Mpa
0.8Mpa
Resist cold
-35 °C
-35 °C
Resist hailstone
Ø 25mm
Ø 25mm
Resist wind
30m/s
30m/s
Start-up temperature
<=25°C
<=25°C
Fair Plans for 2010:
| Name of Fair | Time | City | Booth Location |
1 | GUNESENERJISI09 IN ISTANBUAL | March 11-14, 2010 | Istanbul | Hall 10, Area A |
2 | CANTON FAIR | April 15-19, 2010 | Guangzhou |
|
3 | K/BIS | May 1-3, 2010 | Atlanta |
|
4 | INTERSOLAR | June 9-11, 2010 | Munich |
|
5 | CANTON FAIR | October 15-19, 2010 | Guangzhou |
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We, Changzhou Erjin Solar-Energy Equipment Making Co.,Ltd, are established in 1989. We are a leading manufacturer of Solar Water Heaters (SWH), including Compact Non-pressurized SWH, Compact Pressurized SWH, Split Pressurized SWH and Flat-plate type SWH.
For more information, please check our website or contact directly.
