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april 2011

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.

For all industries involved in the hydraulic connections and valves and fittings sector, the choice of brass is very important and can vary depending on the intended operating conditions.
As it is an alloy that is made of copper and zinc and other alloys in smaller quantities, it is crucial to use the correct percentages to guarantee consistent results with the purpose for which the gas valves were designed for.  
For example, the greater the zinc content, the more mechanical resistance will increase, but this will also increase in the brittleness of the component.  The gas valves must guarantee correct closing of the valve to avoid any release of gas, which could constitute a danger for the site and any operators nearby. The alloy elements also have to be of the correct content to avoid structural failures.
Therefore zinc percentages should never be too low, but remain no more than 45 %, as any values above this limit will mean that the brass for the gas valves is no longer of engineering relevance.
Therefore the mix of such elements should obtain a type of brass with the right combination of zinc and other metals to provide the correct solution for each component category designed by Gnali Bocia.


See also
16/01/2013 Gnali Bocia: design of brass fittings Brass fittings are used to connect different parts together, allowing gas and liquid to flow through.

16/10/2013 Brass fittings from Gnali Bocia Brass fittings: Brass is an alloy used to manufacture fittings destined for the hydraulic industry in general

16/10/2013 Materials used to produce air vent valves The brass used for the production of air vent valves contain alloy elements necessary for the correction function of the components.

16/01/2014 The relief system in gas safety valves In order to maintain a system fully operational, pressure variations should be minimised, which can be done via the gas safety valves

16/03/2019 Brass fittings: the choice of the alloy

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