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Heat Pipe Vacuum Tube for Solar Collector

Heat Pipe Vacuum Tube for Solar Collector
Heat Pipe Vacuum Tube for Solar Collector

Product Description

Heat Pipe Solar Collector for Solar Water Heater

Product name: Heatpipe Vacuum Tube for Solar Collector
(Glass-Metal) tubes consist of a single glass tube. Inside the tube is a flat or curved aluminium plate which is attached to a copper heat pipe or water flow pipe. The aluminium plate is generally coated with Tinox, or similar selective coating. These type of tubes are very efficient but can have problems relating to loss of vacuum. This is primarily due to the fact that their seal is glass to metal. The heat expansion rates of these two materials. Glass-glass tubes although not quite as efficient glass-metal tubes are generally more reliable and much cheaper.

Model tapeTT47TT58
Length1500mm1800
Outer tube diameter47mm58mm
Inner tube diameter37mm47mm
Glass thickness1.6mm1.7mm
Glass MaterialBorosilicate Glass 3.3Borosilicate Glass 3.3
Absorptive CoatingAL/N/ALAL/N/AL
Absorption coefficient>92%>92%
Emission coefficient<8%<8%
VacuumP<5x10-2PaP<5x10-2 Pa
Stagnation Temperature>220oC>220oC
Net weight1.53kg2.77kg
Trademark: RUNSUN
Productivity: 10, 000 pcs/year
Company: Changzhou Runsun Energy Technology Co., Ltd.

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