Solar water heater--Vacuum Solar water heater Tube

1.solar glass tubes
2.perform well in overcast day and low temperature
3.easy to install
4.CE,CCC,Solar Keymark
Solar water heater--vacuum tube:
Solar vacuum tube
is the core component of the solar water heater. Its performance lies on the actual film coating technology.
Our company has goe ISO9001:2000, CE, CCC Solar Keymark certificates.


solar tube Features:

Technical Specifications
Length
1500mm
1800mm
Outer tube diameter
47mm
58mm
Inner tube diameter
37mm
47mm
Weight
1.3kg
2.2kg
Glass thickness
1.6mm
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



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.