Features :Flat-separation design, perfect combination with building
1. Leading closure circulatory system increase the solar heat exchange rate, it is effective to control high-temperature, low temperature and freezing: safety and environmental protection have been achieved levels of drinking. Guarantee equipment can be used below zero35 degrees.
2. Safe water circulation system and system of hot water supply adopt double protection of safety valve to ensure water temperature less than 75degree.
3. Adopt high-quality Al-zinc complex plate. Spray plastic after phosphates treated .To ensure that no rust spots (including the incision), the materials between Liner and the shell is polyurethane foam After heat treated foam which is complete one time, To ensure that the water heater insulation and thermal efficiency performance, so that the water heater at the same time has excellent strength and integrity.
Vacuum tube:Φ58*1800 high effective tube
Frame:cold-rolled steel sheet
Material :inner tank stainless steel,SUB304-2B food,0.31mm,
outer tank: fluorine titanium, 0.31mm,
insulation : 55mm polyurethane foam,al-refective banner
Specification of vacuum tube
structure all glass concentric dual tube geometry,
material borosllicate 3.3 glass
absorptive coating properties
constructure grade AL - Nx/AL solar selective absorptive coating
method of deposition dc reactive sputtering
absorptance > 97 % emittance < 3 %
stagnation temperature 250 - 270 c
Warranty:work life not less than 15 years