Intergrade Unpressurized solar water heater ;
1. Inner tank: 0.4mm-0.6mm thickness SUS
304-2B Stainless steel
2. Tank diameter: 470mm/480mm outer tank,
360mm/370mm inner tank
3. Vacuum tube: 47-1500mm/58-1800mm
4. Outer tank: 0.31mm-0.4mm thickness
Stainless Steel/Color Steel
5. Frame: Stainless/1.5mm thickness
Galvanized Steel
6. The material of insulation: 55-60mm
thickness Polyurethane
7. The reflector: Stainless steel /Aluminum
plate
8. Working efficiency: >95%
9. Heat Preservation time: 72-96hours
10. Hail resistance: 25mm
11. Inlet/oulet size: 1/2, 3/4
12. Tank capacity:
100L/110L/115L/135L/150L/165L/200L/250L/2
85L/300L
13. Air vent: 100% copper vent