solar collector 

Inner manifold: Heat pipe

Outer manifold:  Colored steel, 0.4mm thick

Frame:1.5mm, green galvanized sheet

Insulation layer: 40mm polyurethane foamed

Feed tank: 5L

35meters length copper coil diameter: 14 mm

Anti-dust seal: black

Vacuum tube: 58mm*1800mm with laser mark

Reflector : 2 pieces 60cm aluminum plate for every solar collector.

A new type of pressure solar collectors