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april 2011

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

Once again, we return to the topic of air vent valves; a valid help to eliminate the gases dissolved in the fluid that transports heat in our implants.
Studies tell us that if, at the absolute pressure of 1 bar, we increase temperature from 20 °C to 80 °C , the maximum number of litres of air dissolved in a cube metre decreases of circa 10 litres; but much worst is the situation if the liquid is subjected to pressure. This means that if I heat up the fluid contained within my implant, the dissolved air frees and transforms into gas, i.e. in bubbles, which are a source of noise. The only solution is to make use of the air vent valves in order to eliminate them.
The air vent valves must be installed in those points of the implant where the gases will accumulate such as, for instance, the extremities of distribution columns, heater vents or other parts where accumulated gases can’t be eliminated.
Metallic materials like brass and plastic materials like acetal, with which the air vent valves are manufactured, guarantee durability over time with the contribution of the components for holding. During the installation, check valves can also be fitted between the implant and the device, which facilitates maintenance.


See also
25/06/2014 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

25/06/2017 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

25/08/2016 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

25/07/2017 Radiators and air vent valves, the perfect couple Automatic air vent valves for radiators eliminate air without any manual intervention

25/01/2018 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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