unperssurized solar water heater

1)unperssurized solar water heater Use in any time:it adopts advance design idea and integrates with high efficiency pre-heated patent techinique,so it can warm the cold water rapidly when it flows through special pipe 2) More capacity:we adopt special exchange heat mode,it avoid mixed effect,so cold water can be heated at any moment 3) Easy operation:It can supply water himself,you can take it easy and enjoy good time Working principle: One copper coil is installed insdie the water tank as the heat exchanger.When the cold water flows into the copper coil.It absorbs the heat of the water in the tank via the copper coil,therefore the water tank is just a heat storage tank working pressure:6 bars Specification: 1) Inner tank material:SUS304-2B food grade with 0.5mm thickness withautomatic argon arc welding 2) Outer tank material:pearlescent panelin 0.5mm thickness with the diameter is 480mm 3) Frame material:galvanized steel sheet in 3mm thickness 4) Material of heat preservation:55mm thickness of polyurethane 5) Vacuum tube dimensions: 58mm*1800mm 6) Water tank capacity:150L 8) Heat preservation:72hours 9) Hail resistance:25mm countrysideproject last year