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Longpu 125mm*566mm Big solar vacuum tube for solar cooker pictures & photos

Longpu 125mm*566mm Big solar vacuum tube for solar cooker

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Min. Order / Reference FOB Price
1 Pieces	US $45.00/ Pieces

Local Area:	Liaocheng, Shandong, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, Paypal, Western Union

Brand:	Longpu
Model Number:	125mm
Pipe Material:	Glass
Product name:	Solar Cooker Vacuum Tube

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Product description
Solar vacuum tubes are heart of the Longpu Solar Collector ,responsible for absorbing sunlight and converting it into usable heat. We specialize in producing 125mm and 137mm big diameter solar vacuum tube,which can be used for solar cooker,solar barbecue oven,solar heating ,solar refrigeration,solar energy without tank and solar collector.
Structure
The solar vacuum tube design used by Longpu has proven to be extremely robust.The tube is essentially two glass tubes that are fused at the top and bottom.The inner tube has a solar absorbing coating,and the space between the two tubes is evacuated to form a vacuum.
Technical parameter
Product nameThree Target Solar Vacuum TubeDiamter of outer tube (mm)125125137137Diameter of inner tube (mm)111111121121Tube thickness (mm)3.03.03.03.0Tube Length (mm) 566/600/700/850mm850/1860/2160mmApplicationSolar cookerSolar collectorSolar cookerSolar collectorStructureThree targetMaterialBorosilicate Glass 3.3Material of coatingCopper, Aluminum, Stainless SteelAbsorptance≥0.92Emittance≤0.06vacuum< 3x10-3 PaTransmittance of Outer Tube0.92Solar radiance exposure(MJ/m2)≤3.6Heat-loss coefficient
(w/ (m2*℃)< 0.5
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