China XL1921 Solar Collector for High Temperature Water Heating, Find details about China Evacuated Tube Collector, CPC Reflector from XL1921 Solar Collector for High Temperature Water Heating
CPC1512 | CPC1518 | XL1921 | ||||
Dimension | 1392*1640*103mm | 2082*1640*103mm | 2427*2057*103mm | |||
Gross area | 2.28 m2 | 3.41 m2 | 4.99 m2 | |||
Aperture area | 2 m2 | 3 m2 | 4.47 m2 | |||
Number of evacuated tube | 12 | 18 | 21 | |||
Outer diameter / length of evacuated tube | φ47/1500mm | φ47/1500mm | φ47/1900mm | |||
Insulation | Rock wool | Rock wool | Rock wool | |||
Efficiency based on gross area, Solar Keymark ISO 9806:2013 | 56.1% | 56.1% | 56% | |||
Annual collector yield under Solar Keymark, based on ISO 9806:2013 (at mean fluid temperature of 50ºC, location Würzburg) kWh | 1403 | 2099 | 3071 | |||
Maximum operation pressure, Mpa | 0.8 | 0.8 | 0.8 | |||
Stagnation temperature | 345ºC | 345ºC | 345ºC | |||
Collector Contents, L | 1.6 | 2.4 | 3.2 | |||
Connection diameter, mm | 15 | 15 | 15 | |||
Allowed heat transfer medium | Water | Water | Water |