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ES flat plate selective
ES flat plate selective
The Calpak ES Selective Collector is a high-efficiency solar collector designed to maximize solar radiation absorption, even in areas with low insolation. It combines high performance with competitive pricing, offering excellent value for money.
Key Features
- Anodized aluminium frame and back cover for durability.
- 4 mm thick tempered solar glass for protection.
- High selective aluminium fin absorber with laser-welded copper risers.
- 30 mm glass wool back insulation and 10 mm side insulation for thermal efficiency.
- EPDM gasket and silicon foam for effective 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 depending on the model.
- 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 is greater than 0.94, and emission coefficient is less than 0.05.
- Fluid content varies from 1.5 L to 2.5 L.
Performance and Limitations
- Maximum operating temperature: 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!
Open the catalog to page 1
[Calpak ES Selective Collector] 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 performance. The ES collector is designed and manufactured to exploit the maximum amount of solar radiation even in areas with low insolation, achieving in this way low cost energy. The combination of high efficiency and competitive pricing enables value for money installations. • • • • • • • • The ES collector’s features are: Anodized aluminium frame Aluminium back cover Tempered solar...
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