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Solar collector with a vacuum tube Super Heat Pipe NARVA (Germany)
High vacuum solar collector is operating on a "heat pipe", due to the smooth nature of the curve efficiency, long manifold can be operated at medium temperature to 150 ° C. In the vertical position and at an inclination of 20 ° the collector operates without power losses. Possible tube rotation around its axis during installation for optimum orientation of the absorber relative to the sun, thereby maximizing the solar energy. The collector used
"dry contact" between the coolant and the coolant solar vacuum tube. Possible to replace the vacuum tube
when the system is running. The heat pipe is used valveless construction for temperature limitation.
condenser temperature does not exceed 160 ° C, even in the event of stagnation, thereby providing automatic protection of the solar collector from overheating.
Features:
Total Area, m2 - 4.99
aperture area, m2 - 4.46
optical efficiency,% - 70
loss coefficient a1 W / m2K - 1.489
loss coefficient a2 W / m2K2 - 0.0001
manifold housing - aluminum
Size mm - 2220h2250h88
Weight - 54.4
maximum operating pressure bar - 10