solar water heating system solar collector

GTC-58S-ALU series is high pressur solar collector,it widly used in family and projector,high perfomance win the market,for family and floor heating.room heating.house heating,hotel etc hot water using more information see our web at w gtc-solar com 1) Model no.: GTC-58-alu 2) Adopts U pipe technology 3) No of tubes: 18, 20, 24, 30 4) Disassemble: no 5) Total length (m): 1.65/1.90/2.00/2.45 6) Total width (m): 1.9 7) Gross absorb area (m²): 3.14/3.50/3.80/4.66 8) Aperture area (m²): 2.52/2.96/3.36/4.20 9) Surface absorber (m²): 2.18/2.30/2.42/3.03 10) Reflector: non 11) Operation pressure (Bar): 8 12) Entry connector size: ½" male/copper tube 13) Material of manifold: anodized aluminum, 2mm 14) Material of U pipe and manifold head: TU1 copper 15) Insulation of manifold: polyurethane 16) Slot of thermic sensor: yes 17) Cold resistance: -30 18) Liquid capacity: 2.8/3.2/3.80/4.70 19) Total weight (kg): 39/42/47/65 20) Min. flow (L/m): 120 21) Typical flow (L/m): 150 22) Max. flow (L/m): 600 23) Stagnation temperature (°C): 300 24) EN 12975 (solar keymark) in course 25) Date: October 15 26) Efficiency (n0 in %, k1 in W/m²K, k2in W/m²/K²); n0=0.77, k1=1.47, k2= 0.0051 Tubes: 1) Hail resistance: ≤25 2) Diameter of tube (mm): 58 3) Glass quality: borosilicate, 3.3 (T=0.91) 4) Thickness (mm): 1.7 5) Vacuum degree (Pa): 3 x 10-3 6) Absorb rate: ≥0.94 7) Reflecting emission: <0.06 8) Material of coating: SS-C/CU solar collector, solar collector, solar collector, solar collector, solar collector, solar collector, solar collector, solar collector, solar collector, solar collector, solar collector, solar collector, solar collector