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Cosmosolar Ltd
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  5. Cosmosolar - Model EPI – NV - Selective ...

Cosmosolar - Model EPI – NV -Selective Solar Collectors

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Collector casing: From special aluminum alloy (Al Mg Si 0.5) oven painted with electrostatic painting Seaside Class. Selective aluminum absorber: welded onto the pipes with laser.

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  • Absorptipon coefficient: a ≥ 0.95 ± 0.02
  • Emmision coefficient: ε ≤ 0.05 ± 0.02
  • Headers: copper pipes Ø 22mm
  • Manifolds (risers): copper pipes Ø 10mm
  • Glass cover: prismatic 3,2mm thick, low iron
  • Trasmissivity of glass cover: τ ≥ 0.90
  • Back plate: aluminun sheet
  • Insulation: 30mm thick rock wool with thermal conductivity λ=0.035 W/m grd ( 0°C)
  • Sigilant: black silicon