Model Galvanized Steel Series -Compact Non-pressure Solar Water Heater

Outer tank: Color Coated Steel, thickness 0.4MM; Dia, 470MM. Inner tank: SUS304/2B, thickness 0.5MM; Dia, 360MM. Warm keeping layer: polyurethane foaming 50MM. Bracket, Galvanized Steel, thickness 1.5MM. Vacuum tube: 58-1800 or 45-1500, Two layer. Angel of Bracket: 5°,22°, 27°,38°,45°.