Material:
1. Inner tank: Stainless steel SUS304/2B 0.5mm
2. Vacuum tube:QB -AL-N/AL-58-1800
3. Outer tank:Color coating plates-0.5mm
4. Frame:coated galvanized steel-1.2mm
5. The material of insulation:polyurethane
Remark:
1.Solar heat storage tank diameter(mm):Φ460
2.Thickness of insulation(mm):50mm
3.Operating constant pressure(pa):0.063Mpa
4.Water inlet &outlet(inch):1/2
5.Overflow(inch):1/2