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header tube:seamless copper TU1,Ø22×0.9mm .
Outer manifold: aluminium alloy, 1.8mm thickness.
Frame: gavanize steel, 1.4mm thickness.
Insulation:mineral wool/polyurethane , 50mm thickness.
Vacuum tube:Ø58×1800mm,Tri-elements .
heater pipe: Ø14-6-0.6mm,inside of Vacuum tube .
Accessories:water auto feeding tank,electrical heater .
Logo:OEM,colour/sticker .
Specification: 15/20/25/30 tubes .
Daily output: 150/200/250/300L .
Max.working pressure:0.001 bar/10bar .
Max.working temperature: 290°C .
Working Principle:
Solar thermal collector ( by vacuum tube with copper heat pipe inside or flat panel ) gathers heat energy from sunshine and transfers to cold water inside of tank via copper coiler exchanger. There is frostproof liquid in heat pipe and whole system pipeline which flew by circulation pimp.
Solar Collctor