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M4-200 flat plate collectors are made of 10 absorber tubes and a selectively coated, one-piece (monolithic) absorber plate. The absorber plate is a 0.5 mm thick aluminum plate, which is attached to the tubes by laser welding, thus ensuring good heat transfer. The collector insulation is 40 mm thick, made of rock wool, which provides thermal insulation not only at the back but also at the sides and improves the rigidity of the collector. The collector cover is 3 mm thick heat-treated glass. The glass is sealed three-fold: EPDM gasket, silicone gel and flexible fixing/clamping plate. The collector housing and back plate are anodized aluminum.
Features:
Flat / pitched roof mounting kitHigh operating pressureLow weightEnvironmentally friendly insulation technologyBRILLANTA selective coating
Technical data:
Height: 2060 mmWidth: 970 mmThickness: 90 mmWeight: 35 kgGross surface: 2 m2Coverage: 3.2 mm tempered glassGlass surface: 1.86 m2AbsorberAbsorber surface: 1.83 m2Type: MonolithMaterial: Selectively coated aluminum sheet0.5 mm copper tube D= 8 mmCoating: SelectiveAbsorption coefficient: a>0.95Emission coefficient: a<0.05Optical efficiency 0.755Efficiency factor a1: 3.89 W/m2KEfficiency factor a2: 0.013 W/m2KVolume: 1.6 litersInsulation and casingInsulation material: Rock woolInsulation thickness: 40 mmCover (frame / back panel): anodized aluminumSealing: EPDMPipe connection size: 22 mmLimit valuesMaximum operating temperature: 177.6 CMaximum operating pressure: 1 MPaEnergy yield (Germany, Würzburg): 690 kWh/m2/year
