太阳能热水器

Model MFC Volume As your requirement Number of tubes any Tube diameter Exterior tank material 0.4mm steel sheet Interior tank material 0.4mm SUS304 2B Food grade Out tank diameter Insulation 55 mm polyurethane foam Stand: 1.5 mm galvanized Steel, painted black. Operating pressure: There is a breather in the top of the tank. The pressure is thus from the water in the tank only. Tube seals: silicon ringsVacuum tubes: Model 47mm*1500mm 58mm*1800mm Length 1500mm 1800mm Material Borosilicate Glass 3.3 Vacuum P<5x10-3Pa Glass thickness 1.6mm±0.15mm Outer tube diameter 47mm 58mm Inner tube diameter 37mm 47mm Thermal expansion 3.3 Absorptive coating Cu/Ss/Al Absorptive efficient 94%--96% Emission coefficient <6% Stagnation Temperature >250oC Net weight ≥1.30kg ≥2.0kg Idle sunning property parameters ≥ 175m2 x oC/kW Solar irradiation for obtaining a preset water temperature ≤ 3.8 MJ/m2 ≤ 4.7 MJ/m2 Average heat loss coefficient 0.90 w/ (m2x oC) Assist electric heating device: Features: The current water temperature How full the tank is The time. It can be set to heat the water in the tank electrically in three cycles of time and temperatures