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2020 hot sales Longpu 137mm*600mm big diameter three target solar vacuum tube for solar cooker

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Beschreibung

2020 hot sales Longpu 137mm*600mm big diameter three target solar vacuum tube for solar cooker

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Produktbeschreibung

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.

Struktur

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

ProduktnameThree Target Solar Vacuum Tube
Diamter of outer tube (mm)125125137137
Diameter of inner tube (mm)111111121121
Tube thickness (mm)3.03.03.03.0
Tube Length (mm) 566/600/700/850mm850/1860/2160mm
AnwendungSolar cookerSolar collectorSolar cookerSolar collector
StrukturThree target
MaterialBorosilicate Glass 3.3
Material of coatingKupfer, Aluminium, Rostfreier Stahl
Absorptance≥0.92
Emittance≤0.06
vacuum< 3×10-3 Pa
Transmittance of Outer Tube0.92
Solar radiance exposure(MJ/m2)≤3.6
Heat-loss coefficient
(w/ (m2*℃)
< 0.5
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Zusätzliche Information

Herkunftsort:

Shandong, China

Markenname:

Longpu

Modellnummer:

137mm

Pipe Material:

Glas

Produktname:

solar vacuum tube

Material:

Borosilicate Glass3.3

Durchmesser:

137mm

Länge:

600mm

Anwendung:

solar cooker stove