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New Vacuum Tubes Collectors

New Vacuum Tubes Collectors

Product catalog summary
Technical Specifications Summary for Vacuum Collector
Types: V15 and V20
Collector Surface: V15: 1.74m², V20: 2.32m²
Aperture Surface: V15: 1.57m², V20: 2.10m²
Number of Vacuum Tubes: V15: 15, V20: 20
External Dimensions: V15: 1.08 x 1.61m, V20: 1.44 x 1.61m
Weight: V15: 40kg, V20: 53kg
Glass Tube Specifications: External Diameter: 47mm, Length: 1500mm
Cover Material: Borosilicate glass 3.3, Thickness: 1.5mm
Vacuum Pressure: p<0.005Pa
Casing Material: Aluminum
Connections Diameter: 22mm
Thermal Insulation of Header: Thickness: 30mm, Material: P.U. foam 45 kg/m³ and fiberglass
Absorber Material: Inner copper U-PIPES (Diameter: 9.52mm, Thickness: 0.65mm), Inner aluminum fin (Thickness: 0.80mm)
Absorber Coating: Sputtering selective surface
Absorption (α): >0.93
Emissivity (ε): <0.06
Absorbing Surface Glass Tube Diameter: 33mm
Heat Transfer Medium: Glycol solution
Output (Wurzburg-Germany): >640 kWh/m²/year
Max. Working Pressure: 10 bar
Max. Working Temperature: 220°C
Diagram Components: 1. Outer glass, 2. Inner glass, 3. Aluminum fin, 4. Copper tube in U-form, 5. Vacuum
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Catalog excerpts

New Vacuum Tubes Collectors-1

VACUUM COLLECTOR Technical Specifications Type Collector Surface Aperture Surface Number of vacuum tubes External Dimensions Weight Glass tube external diameter Glass tube length Cover material Cover thickness Casing material Diameter of connections Thermal insulation thickness of header Insulation material of header 22mm 30mm P.U. foam 45 kg/m³ and fiberglass Absorber Material Inner copper U-PIPES / D=9,52 thickness 0,65mm Inner aluminum fin /thickness 0,80mm Absorber coating Sputtering selective surface Absorbing surface glass tube diameter Heat transfer Glycol solution Output (WurzburgGermany) Max. working pressure Max. working temperature Outer glass Inner glass Aluminum fin Copper tube in U-form Vacuum SOLE S.A. –LEFKTRON & LAIKON AGONON, 136 71 ACHARNAI-ATHENS-GR TEL: (+30210) 2389500 ● FAX : (+30210) 2389502 e-mail: [email protected] ●www.eurostar-solar.com

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