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april 2011


Heating the swimming pool, too, with electrical resistance heater groups
During the summer period, many of you have the privilege of a nice swimming pool in the garden for enjoying the sun and a suntan. Not everybody, however, loves diving into a pool of water that is not exactly set at an optimal temperature, especially at the start of the season when the biting air [...]

Safety valves for the thermocouples in our catalogue.
In the GNALI BOCIA production catalogue that presents products for gas, there is a section completely dedicated to safety valves that should be applied to gas devices to prevent leaks if the pilot flame or the user’s main flame blows out. These safety valves should be combined with a [...]

Water pressure reducing valves to limit problems caused by high pressure
The water mains situation in Italy has never been optimal, but lately the idea of increasing the incoming pressure was proposed to eliminate the abundant leaks in the system, and to guarantee suitable pressure at each point of use. This has made it obligatory to introduce water pressure reducing [...]

Hydraulic fittings for the multilayer pipe
Next to the generic hydraulic fittings in the GNALI BOCIA catalogue, available in various versions, from the yellow brass type to the nickel-plated one, we also find a range of fittings suitable for assembling systems with multilayer pipes. This type of pipe, among the latest to be marketed, [...]

Metane gas pipe and slippage test
The production of devices complying with the UNI CIG 7140 standard, such as the methane gas pipe, should be backed up, besides a certified production management system, by a whole series of type tests, to be conducted during the initial stage in order to validate the process and periodically [...]

Gas cocks from the camping series
A section of the GNALI BOCIA catalogue is entirely devoted to the series of gas cocks called “camping”, i.e. with a threaded male input coupling measuring M16 x 1,5. This is what enables connection to the cylinders specifically designed for the sector. The vents, instead, differ depending on [...]

Thanks to brass manifolds, I have less pressure drops
When we plan the installation of a new bathroom, we can choose to use for distribution some brass manifolds, with their pro’s and con’s compared to a connection in series typical of installations carried out with galvanized pipe or a rigid one such as the PPR (Pipe Penetrating Radar) [...]

Brass fittings and their sealing
Manufactured in CW617N suited to be in contact with drinking water and with gases, in the GNALI BOCIA catalogues we find a wide range of brass fittings, suitable for any type of manufacture or installation. Threaded in accordance with the gas standard, they are extremely versatile.
For a tight [...]

Air vent valves and internal balance
What happens if in a system you do not install air vent valves? The main problems of gas accumulations inside pipes is the creation of bottlenecks, so that a capacity reduction becomes inevitable.
The way air vent valves work is utterly simple once we weight that by their usefulness. The heart [...]

Compensated pressure regulators to fit any situation
Equipped with a compensation system that stabilizes its operation, the pressure regulators for water available in the GNALI BOCIA catalogues enable a precise and consistent regulation of the output pressure even in the presence of far-reaching variations in input pressure. That makes of them [...]

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