2.23kg
1.20kg
Net weight
>200
>200
Stagnation Temperature
P<5x10-2Pa
P<5x10-2Pa
Vacuum
<10%
<10%
Emission coefficient
>90%
>90%
Absorption coefficient
AL/N/AL
AL/N/AL
Absorptive Coating
Borosilicate Glass 3.3
Borosilicate Glass 3.3
Material
3.3x10-6
3.3x10-6
Thermal expansion
1.5mm
1.5mm
Glass thickness
47mm
37mm
Inner tube diameter
58mm
47mm
Outer tube diameter
1800
1500mm
Length
competitive price and high quality
solar vacuum tube: | black |
Pipe Material: | Glass |
Application: | Water Heater |
Type: | Vacuum Solar Collector |
Model Number: | NG |
Brand Name: | OEM |
Place of Origin: | Zhejiang China (Mainland) |