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Materials for producing air release valves

Air release valves for separating dissolved gas from the fluid in heating systems

We use the best materials available on the market to make our air release valves, starting from the body made of CW617N that is hot-forged and then processed on computerised numeric control transfer machines that guarantee constant process repeatability. This brass has the perfect combination of resistance and workability. After being processed, the body can be chrome- or nickel-plated to improve its resistance to corrosion.
Even the other metal parts of the air release valves are made from the same material. The internal mobile parts are, instead, made from polypropylene, a polymer with a consolidated formula that acts as a float for separating the air that is typical of the device. The surface of this plastic has a reduced propensity to maintain heat.
The caps of the air release valves are made of acetal resin, an engineering plastic that is easy to work, but above all with an extremely high level of mechanical resistance. The various elements are sealed by gaskets of NBR, a rubber that resists the action of the minerals that usually dissolve in the water.


See also
30/12/2016 Avoid plant stoppage by using an air release valve An air release valve allows the gas trapped in the system to escape automatically, helping to prevent stops

30/03/2014 The design specifications of shut-off valves To allow the careful protection and control of the structures, shut-off valves must be designed according to the structural characteristics provided for by the I.S.P.E.S.L. (Italian Institute for Occupational Safety and Prevention)

30/04/2014 The types of brass used for gas valves Brass materials with varying percentages and characteristics of alloy elements are used in the design of gas valves.

30/09/2014 The brass fittings series for general use We can use the wide range of brass fittings by Gnali Bocia for water and gas plants

30/07/2015 Various models of flexible rubber tubes, compatible to all gases On the catalogue, you'll be able to find the right range of flexible rubber tubes among a number of various measures' hanks

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