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Produced to check and intercept gas and to carry fluid, these brass threaded unions are the flagship product of GNALI BOCIA catalogues, and no complete kit proposed to installers can be without them. They may be a poor, neglected product in general, but not in our company, where unions are [...]

You will find lpg hoses in the GNALI BOCIA gas catalogue. These hoses are available in reels of 10.50 and 100 metres, and should be cut into sections suitable for the use to be made of them. This hose is made of PVC, a special material that resists the chemical aggression caused by gas. It has a [...]

Air vent valves should even be fitted on boilers to make them reach top levels of efficiency while working, because an irregular accumulation of gases (which are released because of fluid heating) can block the whole system. To prevent this inconvenience, fit one of the automatic air vent valves [...]

The hermetic seal of electric resistors used in water boilers is a vital factor for guaranteeing long life. The heart of the device is an electric wire that transforms electricity into heat, and as you can well imagine its coexistence with water and humidity is not exactly harmonious. The seal [...]

In modern plant design, the various plant branches and users are connected using a wide range of brass connectors, which have now replaced most of the other connectors made of different materials, excluding special cases such as aggressive environments. You can, in fact, find a selection of [...]

Our heating manifolds are made starting from moulded pieces of brass. You can find them in our company catalogue, even with multiple branches that can be combined to obtain the number of branches needed for the plant being assembled. The heating manifolds can be equipped with taps, and in this [...]

Threaded for gas at the extremities, our flexible water hoses have solved many installation problems. The fact that they can be extended to double their normal length means that any type of device can be connected to the water mains without creating strange pipe knots that have never been [...]

Usually used with hobs, gas safety valves with thermocouple close the flow of gas if the flame goes out. This eliminates the danger caused if the leaking gas saturates the environment, avoiding possible explosions that endanger the safety of people and buildings. Gas safety valves have the [...]

Mini power packs are a compact solution for connecting several cylinders contemporaneously to the domestic system, in order to increase system autonomy. Thanks to how they are made, they often have a one-way valve at each branch, so they can be changed easily without any gas leaks. Their use [...]

As already said other times, applying water pressure reducers upstream of a system above all helps reduce the dangerous effects that pressure peaks can cause to user devices, or on shut off valves with their resulting breakage and the consequential loss of fluid. Applying water pressure [...]