EN12975 flat plate solar collector

solar collector Copper Header Pipes(mm): 22*1.0 Copper Riser Tubes(mm): 10*0.7 No. Of Riser Tubes: 8 Absorber: structure, copper full-surface absorber: Spectrum Absorber Coating: blue titanium coating (Tinox) Absorption Rate of Absorber: 95%±2% Emissivity of Absorber: 4%±1% Welding Between Absorber And Tubes: whole-plate ultrasonic welding Insulation Material: 40 mm rock wool with aluminum foil fabric : Frame: δ1.5mm,aluminum alloy frame Frame Color: silver, black Collector Mounting: flat roof/pitched roof/balcony Cover Glass: low iron textured tempered glass Glass Transmittance: >92% Cover Thickness: 3.2mm Matched Water(l): 100L-150L Water Temperature In Sun Day: 50-90 centigrade degree Highest Working Temperature: 170 centigrade degree Working Pressure: 0.6MPa Testing Pressure: 1.2MPa, keeping 15 minutes Gross Area: 2m2 Aperture Area: 1.84m2 Heat Transfer Fluid: portable water and other heat transfer fluid : Fluid Volume(l): 1.5L Back Sheet: EPDM Net Weight(kg): 37 Gross Weight(kg): 37.5 Net Dimension L*W*T(mm): 2000*1000*88 Package Dimension(mm)carton: 2010*1010*90