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Stainless steel flexible tubes model FL286
The GNALI BOCIA catalogue offers non-extensible model FL286 stainless steel flexible tubes whose length of two metres maximum corresponds perfectly to the new EN14800 regulation. They are made from a corrugated pipe of austenitic stainless material which ensures the stainless steel flexible [...]

Balanced pressure regulators for civil and industrial applications
Regulating gas distribution pressure may be done through locally installed pressure regulators, particularly for low and small flow values. However, when the pressure and flow values are much higher we can use balanced pressure regulators. The models produced by GNALI BOCIA are spring loaded [...]

Key-locked meter valves
System parts adjacent to the meter, both upstream and downstream, are extremely important in the field of Natural Gas distribution. Meter valves enable intercepting gaseous fluids both upstream and downstream of the metering device and must ensure perfect sealing. Produced in chrome-plated [...]

Sealing hydraulic fittings
The GNALI BOCIA catalogue has a dedicated section providing a complete range of generic threaded hydraulic fittings which are necessary for hot and cold water installations, both for domestic use and for heating. The machining accuracy and reliability also allow their use in gas installations. [...]

Installing the safety valve
Let's talk about the safety valve and its use for protecting heating systems from overpressure, which can damage the components and above all create a hazard to persons. 
The safety valve only intervenes when the pressure in the system generates a force greater than the one created from [...]

The operating principles of water pressure reducers
When talking of water pressure reducers, the first thing that needs to be clarified is their operating principle. GNALI BOCIA factories produce reducers by using the piston offset configuration, in order to ensure that the outlet pressure is not altered by the inflow fluctuation. 
This type of [...]

Always at the forefront with our products for heating and plumbing
A market reference point, the GNALI BOCIA company designs and manufactures a wide range of products for heating and plumbing in its Lumezzane factories. Founded in 1970 it immediately specialized in producing valves, water fittings and regulators, LPG and industrial gases. 
With customer [...]

How tubular electric resistances are manufactured
The particular attention that GNALI BOCIA factories place in building tubular electric resistances is one of the key factors that guarantees long service life. 
The other important aspect is the right choice of materials constituting the tubular electric resistance which must resist against [...]

Marking non-extensible stainless steel flexible tubes.
When connecting domestic gas distribution systems and utilization devices such as gas hobs in modern kitchens, in order to ensure safety UNI 14800 has standardized the characteristics of non-extensible stainless steel flexible tubes particularly for those whose length exceeds 500 mm. 
The [...]

System safety with the boiler safety valve
The boiler safety valve is a necessary heating system safety device which ensures that the plant is not damaged, but more importantly that safety is not jeopardized, in the case of a sudden increase of pressure exceeding 3 bar. 
Its action is to allow the discharge of water from the plant when [...]

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