Solar collector with Solar Keymark
High absorption ability vacuum tubes
Quality first ,price first .and customer foremost!
Feature:
Solar collector,solar energy collector,solar power collector,solar thermal 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
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