1.Solar collector with Solar Keymark
2.High absorption ability vacuum tubes
3.Quality first ,price first .and customer foremos

Feature:

Solar Collector,Separated Pressurized Solar Collector

1. Manifold (interior)material: red copper

2. Manifold (exterior) material: aluminum alloy

3. Tube dimensions: 58 x 1800mm,47x1500mm

4. Vacuum tube coating material: AIN-SS-Cu

(Three target vacuum tube)

5. Insulation layer: rock wool

6.Test pressure: 6 bar

7.Heat preservation: 72 hrs 

8.Hail resistance: 25mm