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ES8 Selective
ES8 Selective
The Calpak ES Selective Collector is designed for high efficiency and performance, offering a cost-effective solution for solar energy collection. With over 35 years of experience, Calpak provides a robust collector with a high selective surface and laser welding for exceptional performance, even in areas with low solar insolation.
Key Features
- Anodized aluminium frame and back cover
- 4 mm thick tempered solar glass
- High selective aluminium fin absorber
- Laser welded copper risers (8 mm thick) with 22 mm headers
- 30 mm glass wool back insulation and 10 mm side insulation
- EPDM gasket and silicon foam for sealing
Technical Specifications
- Available models: 195 ES/200 ES, 230 ES, 250 ES, 275 ES
- Dimensions vary by model, with lengths ranging from 1503 mm to 2260 mm and widths from 1007 mm to 1305 mm
- Weight ranges from 35 kg to 46 kg
- Gross area ranges from 1.96 m² to 2.66 m²
- Absorber aperture area ranges from 1.79 m² to 2.52 m²
- Absorption coefficient: a > 0.94
- Emission coefficient: e < 0.05
- Fluid content ranges from 1.5 L to 2.5 L
- Maximum temperature of operation: 165°C
- Maximum operating pressure: 16 bar
- Instantaneous efficiency (ITW): η₀ = 0.801
- Heat loss coefficient (ITW): a₁ = 3.653
Contact Information
Calpak-Cicero Hellas S.A., 9 Sygrou Ave., 11743 Athens, Greece
Tel.: +30 210 9247250, Fax: +30 210 9231616, Email: [email protected], Website: www.calpak.gr
Catalog excerpts
[Calpak ES Selective Collector] High efficiency and performance at best value for money! powered by the sun es_all_14.indd 1 15/3/12 15:54:03
Open the catalog to page 1
Calpak, having a 35 year experience in the design and production of high quality and robust collectors, offers a high selective surface collector with laser welding for exceptional manufactured to exploit the maximum amount of solar radiation even in areas with low insolation, achieving in this The combination of high efficiency and competitive pricing enables value • Anodized aluminium frame • Aluminium back cover • Tempered solar glass 4 mm thick • Absorber with High Selective • Laser Welded on Copper risers 8 mm • 30 mm Glass Wool back insulation and • EPDM gasket and silicon foam for Technical...
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