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Technical Characteristics SELECTIVE FLAT PLATE COLLECTOR The selective FLAT PLATE is a flat-plate solar thermal collector, composed of special facade full plate absorber , coated with high quality PVD selective coating and ultrasonically welded with copper heat pipes. This completed absorber is placed in an aluminium anodized frame box in different colours, isolated with rock wool and covered with a tempered glass. The sealing between the casing and glass is special silicone. 1. Aluminum frame Material Color Depth Aluminum Anodized 85 (mm) 2. Cover - Low iron glass Glass thickness 3.2 (mm) Dimension (length/wide) 960x1960 (mm) Transmission 91.6% of solar radiation (96% is possible with AR + Low soiling coating) Yes Security glass 3. Insulation - Rockwool Heat conductivity Gross density 0.045 (W/mK) 50 mm 50 Site insulation 20 mm 100 4.Technical data Overall area 2.00 Absorber area 1.83 (m²) 1 Header tubes Absorber tubes x 0.8 (mm) x 0.4 (mm) Connections ( mm) Dimension: Length 2000 (mm) High 85 (mm) Wide 1000 (mm) Overall collector weight Absorber capacity Absorber: Aluminum sheet thickness 0.5 mm ultrasonically welded with Cu tube , Absorption Emission 32 (kg) 1.6(l) PVD selective coating 95% 5% Max. working pressure 10 (bar) Heat transfer medium Propylene glycol/water mix 3. Collector Efficiency Curve 2