Specifications :
For Where Summer Temperatures Can Reach Up To 45°C.
Should Be High-quality And Heat-resistant.
2 Complete Set
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Specifications :
Average Solar Absorbtance (ASTM)
a = 0.960 (95.5%)
Average thermal emittance (400C) e = 0.095 (9.5%)
Steel tube outer diameter 70 – 90 mm
Wall thickness 2.0 – 3.0 mm
Length (at 20C ambient temperature) 4.060 mm
Vacuum Residual gas pressure = 10-4 mbar
Glass envelop Borosilicate glass
Outer diameter 125 – 145 mm
Antireflective coating = 95.0% of aperture length
Average solar transmittance t = 0.970 (97%)
HTF Water
Operating pressure = 30 bar
Operating temperature = 400C
Concentration ratio C less than 100
