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
Please quote for the following wholesale product requirement -
Product Name: Solar Panel Rotary Cleaning Robot Brush
Specifications:
Power Converter: AC100-240V, DC24V
Telescopic pole length No. of sections: 1.5m-3.5m(3)/1.8m-5.5m(4)/2.1m-7.5m(4)
Wire Length: 8m+8m
Maximum diameter of telescopic rod: 35mm/40mm
Length of Water pipe: 15m
Cleaning width: 60cm
Telescopic rod wall thickness: 1mm
Motor Voltage: DC24V
Motor total Power: 240W
Rotating Speed: 350/min
Place of Origin: CN
Warranty: 1 Year