vacuum glass tube solar water heater with approval of Certification: ISO9001, CE, ROHS

vacuum glass tube solar water heater Introduction:
Certification: ISO9001, CE, ROHS
1.TANK
inner tank shell:SS 304-2B food grade stainless steel plate thickness, 0.31mm with diametre form315mm to 360mm;
outer tank shell:color sheet, thickness 0.4mm with dianmetre from 420mm to 460mm;
Heat preservation:72 Hr;
Insulation layer:high density polyurethane foam thickness from 25mm to55mm;
2. Vacuum tube
Model:47mm*1500mm or 58mm*1800mm ,;
double layer concentric borosilicate glass tube;
3.Bracket(Supporting frame)
angle:45 degree horizontal
Material :galvanized steel, colored steel or aluminium frame