1. Pressurized solar U pipe collector
2. EN 12975 tested and SOLARKEYMARK certified
3. U pipe with high performance
Working principle of pressurized solar U pipe collector (SPU):
In each vacuum tube there is a U pipe with direct flow-through that is connected to the header pipe inside manifold. This U pipe is seamed in an aluminum heat transfer fin in the interior of vacuum tube that transmits the heat from the interior tube to the U pipe.
Solar radiation permeates the outer glass tube and is captured on the outside of inner glass tube by highly selective sputter layer. The captured solar radiation is transmitted to flush-contact aluminum sheild and then copper pipe filled with heat transfer fluid. The 360° Aluminum heat transfer fin assures the fastest energy transfer.
Each U pipe solar collector is individually tested for leakage and other defects. Anodized aluminum case and frame ensure no corrosion will happen to U pipe solar collector.
Advantages:
1. No efficiency decrease during service life time
2. No external pipe lines
3. One-side in-/outlet and hence only one roof penetration
4. Best possible insulation
5. Anodized aluminum casing and frame and anti corrosion
6. Angle adjustable frame
7. Pre-assembled unit and no tube assembling is necessary
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