compact unpressurized solar water heater

SKcompact unpressurized solar water heater solar water heater detailed specification:

1) Outer tank: stainless steel sheet with 0.4mm thickness

2) Inner tank: food grade SUS304-2B stainless steel with 0.4mm thickness

3) Supporting frame: 1.5mm galvanized plate

4) Vacuum tube:  Φ58mm×1800mm

5) Tube quantity: 12,15,20,25,30 and so on

6) Insulation: 55mm thickness polyurethane foam Germany

7) Tank capacity: 120 ,150,200,250,300L and so on

8) Area of collector: 1.80 m² and so on

9) Hail resistance: 25mm

10) Pressure resistance: 0.03Mpa