solar collector Ref : P50142

Description :

Evacuated-tube collectors can achieve extremely high temperatures (170°F to 350°F), making them more appropriate for cooling applications and commercial and industrial application. The collectors are usually made of parallel rows of transparent glass tubes. Each tube contains a glass outer tube and metal absorber tube attached to a fin. The fin is covered with a coating that absorbs solar energy well, but which inhibits radiative heat loss. Air is removed, or evacuated, from the space between the two glass tubes to form a vacuum, which eliminates conductive and convective heat loss. Working temperature: 99 celsius degree Working pressure 1.0MPa (10 bar) Vacuum tube: &#934;58×L1800mm Tube Quantity 10pcs,15pcs,20pcs,25pcs,30pcs Absorber Area: 1.92m²/2.57m²/3.22m²/3.86m², 4.65 m²,7.76 m² Tube Hail Resistance &#8804;25mm Emission coefficient <10% Absorption coefficient >92% Absorber material Aluminum Glass Material Borosilicate Glass 3.3 Heat insulation layer Imported polyurethane(Bayer,Germany); Thickness:40mm Bracket Galvanized steel board with plastic spraying; Thickness 1.2mmCE,ISO60paper boxChina1

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