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april 2011

Use of air vent valves in solar panel systems

Air vent valves both in a normal and a compact version for direct assembly on radiators

In the Gnali Bocia catalogue, we may find the section devoted to automatic air vent valves that suit multiple situations very well; oftentimes, however, they are also used in solar energy systems in order to extract from the primary circuit the air and gas formations that might block its operation.
We must however take precautions when we install these air vent valves on solar panels, we must in other words combine an air vent valve with a shut-off valve, such as a ball valve, lest the primary fluid,  during temperature ranges of operation, is vented in the form of steam. That would in fact empty the system, thereby engendering other problems as well.
That is not, however, the only use of automatic air vent valves; there is also a version capable of being applied directly onto radiators; it attends to the automatic ventilation of excess air. We recall herein that these problems are generated most of the times by the gas dissolved into water; every hundred litres of fluid for an increase of approximately 60 degrees in temperature, in fact, nearly two litres of gas are released.
 

18/08/2016


See also
18/06/2017 You don't need an operator, all you need are some air vent valves Using air vent valves to stop air and gas from accumulating in your system is important for optimal system performance

18/07/2017 Radiators and air vent valves, the perfect couple Automatic air vent valves for radiators eliminate air without any manual intervention

18/06/2014 Air vent valves to eliminate gases from a system Thanks to air vent valves, we can limit the effects of gases that form in the plumbing

18/06/2015 Eliminating dissolved gases' bubbles with air vent valves The dissolved gases' bubbles that form with the increasing of temperature can be eliminated through the use of air vent valves

18/06/2016 Air vent valves and internal balance Air vent valves work thanks to an internal floater regulating its balance.


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