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april 2011


Safety valve for boiler approved in accordance with the PED directive
Approved in accordance with directive 97/23/CE, also known as PED, at certified agencies and calibrated at the counter in our factories, the safety valve for boiler is an indispensable component to protect the equipment from dangerous overpressure, an event that might occur in systems with hot [...]

Pressure regulators for various types of fluid
How to solve the problem of excessively high pressure at the entry point of installations? By using components termed pressure regulators; essentially, any object capable of bringing an excessively high input pressure down to a fixed output value is defined as being one, although we might also [...]

Manifolds for sanitary facilities: which model should I choose?
The manifolds for sanitary facilities we come across in the GNALI BOCIA catalogue may be made in different ways, but mainly speaking we should consider two construction types, the one with an adjustment valve on each output and the simple linear type.
With the former, we may use the faucet [...]

Methane gas pipe in rolls complying with the UNI CIG 7140 standard
We have spoken in a previous post about the connection between the methane gas pipe and the UNI CIG 7140 standard that regulates characteristics and tests it must be subjected to. Our product, reinforced through a fabric layer and manufactured in PVC, a material particularly resistant to this [...]

Mini power packs, the compact solution for connecting tanks
A compact solution for connecting more than one tank in order to feed the same system is that of mini power packs, one of the key products of the GNALI BOCIA company. These items, produced at our Lumezzane plants in different configurations, are capable of fulfilling a range of system [...]

Use of air vent valves in solar panel systems
In the Gnali Bocia catalogue, we may find the section devoted to automatic air vent valves that suit multiple situations very well; oftentimes, however, they are also used in solar energy systems in order to extract from the primary circuit the air and gas formations that might block its [...]

Galvanic covering for brass fittings
We have seen some of the technical aspects of brass fittings, especially those that relate to stress corrosion cracking, which depends on the material use and on the method of cooling down the material after the hot pressing processing. We have likewise seen the potential influence the sealing [...]

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 [...]

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