China CPC Heat Pipe Solar Collector with Solar Keymark, En12975, Find details about China Solar Collector, Solar Panel from CPC Heat Pipe Solar Collector with Solar Keymark, En12975
SPECIFICATIONS of SHC | ||||||
Model | SHC | |||||
Efficiency (n°) | 0.668 | |||||
Stagnation temperature | 276°C | |||||
Effective thermal capacity | 3.17KJ/(M²K) | |||||
Perf. test method | EN12975-2 6.1.4(outdoor) | |||||
Vacuum tubes | ||||||
Material of the cover tube | High borosilicate glass 3.3 | |||||
Number of covers | 1 | |||||
Transmission of the cover tube | 0.89 | |||||
Outer diameter of the cover tube | Ø58.20mm | |||||
Thickness of the cover tube | 1.78mm | |||||
Outer diameter of the inner tube | Ø46.90mm | |||||
Thickness of the inner tube | 1.79mm | |||||
Distance between two tubes | 110mm | |||||
Absorber | ||||||
Solar absorptance | ≥93% | |||||
Hemisphercial emittance | ≤5% | |||||
Surface treatment | Selective absorption coating | |||||
Material of header pipe | Copper | |||||
Outer diameter of the header pipe | 35.14mm | |||||
Construction of the absorber | Evacuated tube and heating pipe connected by Aluminium alloy | |||||
Material of the fin | Aluminium | |||||
Thickness of the fin | 0.24mm | |||||
Conduction oil | HT350 | |||||
Thermal insulation and casing | ||||||
Insulation material | glass fabric | |||||
Thickness of the thermal insulation | 30mm | |||||
Casing material | Anodized aluminum alloy | |||||
Sealing material | Silicon seal | |||||
Reflectors | ||||||
Material | Aluminum sheet | |||||
Reflectivity | 0.9 | |||||
Surface treatment | polished | |||||
Limitations | ||||||
Max. operation temperature | 120°C | |||||
Max. operation pressure | 1 MPa | |||||
Heat transfer medium | Water /antifreeze | |||||
Flow rate range | 0.01kg/(s*m²) ~ 0.034kg/(s*m²) |