Hydraulic fittings in brass
Hydraulic fittings are important complementary producs of the GNALI BOCIA catalogs
The hydraulic fittings are just one of the leading products that are manufactured at Lumezzane in the establishments of GNALI BOCIA, starting from hot-pressed brass blanks and subsequently machined on CNC transfer machines of the latest generation.
Hydraulic fittings are complementary products to those available in the catalog, such as heating manifolds, pressure reducers, gas taps, burners, pressure stabilizers, but it is not a secondary product, as it is the necessary connection between the pipes and the other products.
The items that make up the range of hydraulic fittings are the most used, such as: curves, tees, nipples, reductions, and have threaded ends according to ISO7 legislation. However, even though the standard is almost universally known, it can be changed according to the requests of the market in which the client operates.
The hydraulic fittings are made respecting the international regulations, but also the individual certifications of the destination countries.
Hydraulic fittings are complementary products to those available in the catalog, such as heating manifolds, pressure reducers, gas taps, burners, pressure stabilizers, but it is not a secondary product, as it is the necessary connection between the pipes and the other products.
The items that make up the range of hydraulic fittings are the most used, such as: curves, tees, nipples, reductions, and have threaded ends according to ISO7 legislation. However, even though the standard is almost universally known, it can be changed according to the requests of the market in which the client operates.
The hydraulic fittings are made respecting the international regulations, but also the individual certifications of the destination countries.
Why choose brass fittings?
Within the Gnali Bocia catalog there are numerous types of fittings made of different materials: stainless steel, carbon steel and brass. Each of these materials has a number of advantages that make them suitable for the production of these components of considerable importance within systems carrying liquid or gaseous fluids.
In particular, the main characteristics that these fittings must have are:
- Resistance to mechanical stresses: the yield strength and breaking strength must be such as to guarantee adequate safety coefficients for the stresses encountered during operation. In fact, stresses due to fluid pressure, threads and contact with other devices present both near and in the systems can lead to sudden breakage or, above all, due to fatigue of the fittings used. Both steel and brass are extremely suitable components from this point of view.
- Corrosion resistance: corrosion is an electrochemical phenomenon that develops in the presence of aggressive environments. The presence of water, running or in the form of humidity, can lead to the progressive deterioration of the fittings not only from an aesthetic point of view but also from a functional point of view, reducing their useful life and compromising the entire system. Also in this case both materials are suitable for the application.
- Formability: the ability to obtain morphologically perfect components is the basis of industrial production. Failure to comply with dimensions and tolerances can make the interface between various components difficult, reducing the application range of the latter. Even though they have different parameters and methods, however, both steel and brass are suitable for the role, even if the chemical elements that make up the alloys greatly influence this property.
From this first, completely general analysis, it is clear that the use of brass is suitable for making fittings. In fact, it has all the characteristics necessary for obtaining high quality products, reducing waste and rejects and promoting durability over time.
In particular, the main characteristics that these fittings must have are:
- Resistance to mechanical stresses: the yield strength and breaking strength must be such as to guarantee adequate safety coefficients for the stresses encountered during operation. In fact, stresses due to fluid pressure, threads and contact with other devices present both near and in the systems can lead to sudden breakage or, above all, due to fatigue of the fittings used. Both steel and brass are extremely suitable components from this point of view.
- Corrosion resistance: corrosion is an electrochemical phenomenon that develops in the presence of aggressive environments. The presence of water, running or in the form of humidity, can lead to the progressive deterioration of the fittings not only from an aesthetic point of view but also from a functional point of view, reducing their useful life and compromising the entire system. Also in this case both materials are suitable for the application.
- Formability: the ability to obtain morphologically perfect components is the basis of industrial production. Failure to comply with dimensions and tolerances can make the interface between various components difficult, reducing the application range of the latter. Even though they have different parameters and methods, however, both steel and brass are suitable for the role, even if the chemical elements that make up the alloys greatly influence this property.
From this first, completely general analysis, it is clear that the use of brass is suitable for making fittings. In fact, it has all the characteristics necessary for obtaining high quality products, reducing waste and rejects and promoting durability over time.
The production of brass fittings
In the previous paragraph, we talked extensively about the formability of brass and the importance of this characteristic in the production of fittings. Usually the production phases are as follows:
1. The starting material are semi-finished brass products that are previously made by the supplier of the material or by the company itself through various melting processes;
2. Hot forging of brass through the use of the forging treatment, a hot deformation operation that exploits the increase in deformability of the material with the increase in temperature to give a shape that is much more similar to the final one;
3. At this point, chip removal operations are carried out using numerical control machines that guarantee precision and accuracy starting from the three-dimensional model of the component to be obtained.;
4. Finally, we proceed to the finishing, threading and polishing phases to obtain the brass fitting ready to be marked according to the relevant legislation and put in the warehouse before shipping to the end customer.
1. The starting material are semi-finished brass products that are previously made by the supplier of the material or by the company itself through various melting processes;
2. Hot forging of brass through the use of the forging treatment, a hot deformation operation that exploits the increase in deformability of the material with the increase in temperature to give a shape that is much more similar to the final one;
3. At this point, chip removal operations are carried out using numerical control machines that guarantee precision and accuracy starting from the three-dimensional model of the component to be obtained.;
4. Finally, we proceed to the finishing, threading and polishing phases to obtain the brass fitting ready to be marked according to the relevant legislation and put in the warehouse before shipping to the end customer.
11/10/2022
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