Dia. 58 with length of 2000mm..
Dia. 58 with length of 1600mm.
Dia. 58 with length of 1500mm.
Dia. 47 with length of 1500mm.
Model no.:
d. Stainless steel ion has performance of high temp. resistant, anti-stagnation temp. coating will not decay or get aging or disappears.
c. In alpine area, copper ions emission ration is lower than that of aluminum ion. So it could work properly even circumstance temp. is lower than -30Deg C.
b. Emission Ration: 30-49% lower.
a. Absorbance: 12% higher.
Comparing to Al-N-Al vacuum tube, it has advantages in cold area as following:
4. Sediment method: 3 target magnertron sputtering plating ;
3. Structure: Cu/SS-ALN(H)/SS-ALN(L)/ALN.
2. Transmission Ratio of the Outer Glass Tube.
1. All-glass double-tube co-axial structure, high borosilicate 3.3 glass ;
Three target vacuum tube solar collector has property and spec.as following:
Three target solar vacuum tube has advantages of super absorbance, low heat loss quick temp. rising, reliable quality.
Package: | 15pcs/carton |
Minimum Order Quantity: | 1000 Piece/Pieces |
Payment Terms: | L/C,T/T |
Port: | QINGDAO, CHINA |
Pipe Material: | Glass |
Place of Origin: | China (Mainland) |
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Come From Dongguan VILLO Technology Inc.
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