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Air in solar fluidsIn contrast to water, the viscosity of fluids containing glycol is considerably higher. Depending on the concentration of the liquid, air bubbles take several hours to rise. Air bubbles trapped in the liquid therefore remain in the volume flow and pass through the entire system. The result: circulation, heat transfer and corrosion problems.The air bubbles are forced to rise by the fixed resistances in the spiral pipe. The installation location does not have to be at the highest point, but directly at the solar flow.Temperature: max. 180°COperating pressure: max. 10 barHousing: brass"AutoClose"This version also offers detection between air and vapour and closes automatically when the evaporation temperature is reached. This makes it possible to keep solar systems constantly and effectively free of air.Advantages:- No vapour leakage at the valve thanks to the patented AutoClose function- No loss of liquid- No premature decomposition of the solar fluid- Always an air-free system with optimum performance
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