Specifications:
1) Manifold (interior): Red copper
2) Manifold (exterior): Coated galvanized steel 1.8mm
3) Glass tube dimensions: 58mm x 1.8m / 47mm x 1.5m
4) Insulation layer: 50mm polyurethane
5) Hail resistance: 25mm
6) Max pressure: 6 bar
7) Coating of vacuum tube: SS-C/CU
8) Heat pipe : anti-freezing > -35 degree.
Provide high quality solar collector with heat pipe, and the price is also competitive |