China Solar Keymark Solar Thermal Collector with CPC Reflector for Poland (SHC-20), Find details about China Solar Thermal Collector, Solar Heat Collector from Solar Keymark Solar Thermal Collector with CPC Reflector for Poland (SHC-20)
| 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) | |||||