... , 500LTechnical data:total length (m)1,65/2,00/ 2,45Total Width (m)1.9Gross Absorb Area (m²)3,14/3,80 / 4 ... ,66Appeture Area (m²)2,52/3,36 / ... )39/47 / 65mini. flow (l/m)120typical flow (l/m)150max. flow (l/m)600stagenation temperature (°c)300EN 12975 (Solar ... n0 in %, k1 in W/m²K, k2in W/m²/K²) ;n0= 0.77, k1 = 1.47, k2= 0.0051hail resistance=< ...