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april 2011

Air vent valves and internal balance

Air vent valves work thanks to an internal floater regulating its balance.

What happens if in a system you do not install air vent valves? The main problems of gas accumulations inside pipes is the creation of bottlenecks, so that a capacity reduction becomes inevitable.
The way air vent valves work is utterly simple once we weight that by their usefulness. The heart is a floater manufactured in plastic and lodged in a chamber, where we have balance between the pressure of the fluid and that of the gas, then a rung. The floater tightly closes this chamber, through a pin driven by the buoyancy force and then by the rung.
As the accumulation of gas inside the chamber increases, the balance tends to decrease the space occupied by the fluid, so the air vent valve is opened. Part of the air is channelled to the outside, thereby restoring balance.
The best point for their installation is certainly the highest point of the unit, alternatively, bends or counter-sloping areas where the accumulation is more likely; that way, the efficiency of air vent valves is no doubt at its peak.


09/06/2016


See also
09/11/2019 Air vent valves even for boilers Automatic air vent valves for removing the gases that accumulate in systems and which can block them

09/06/2017 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

09/07/2017 Radiators and air vent valves, the perfect couple Automatic air vent valves for radiators eliminate air without any manual intervention

09/08/2016 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

09/01/2018 Air vent valve controlled by a float With a float system the air vent valve eliminates the gas accumulations in the systems


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