Detailed Product Description

BAOGUANG solar collector evacuated tubes for solar thermal heating project.

1) Heating from infrared rays of solar radiation

2) Minimum heat loss from the system due to the vacuum tubes & storage tank

3) Better performance in winter and on cloudy days than flat panel collector

Tech data:

A) Tube coating absorptance: α≥0.93 (AM1.5)

B) Emission ratio: ε≤0.06 (80+5°C)

C) Temperature of open bask: ts≥220M2°C

D) Pressure of vacuum interlayer: p≤5 x 10-3Pa

E) Average heat waste coefficient: UIt≤.0.4-0.6W/ (M2°C)

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