tank(mm):Outer Φ 460
f tube:Φ47*1500/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
Con structure grade AL - Nx/AL solar selective absorptive coating
Method of deposition dc reactive sputtering
absorptance > 97 % emittance < 3 %
Stagnation temperature 250 - 270 c
Work life not less than 15 years
Intelligent control, feed water automatically, water temperature and water level can be seen
Constant temperature control to ensure the water temperature at a certain point