Model: CH-31 pressurized solar collector
1. All the pipe is heat pipe, also it have copper in manifold
2. Heat pipe Specification: 58mmX1800mm
3. Vacuum Tube quantity : 15/18/20/24/30/36
4. Outer of manifold: Aluminium alloy (1.2mm)
Inner of manifold: copper flow passage
5. Frame Material: Galvanized steel 1.2mm or 1.5mm
6. Insulating Layer: polyurethane foam