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Blog


Manifolds for sanitary installations with adjustment screw Manifolds for sanitary installations with adjustment screw
In the gnali bocia catalogue you can find a wide range of manifolds for sanitary installations equipped with regulating valve. The manifolds are available in the version with 40 mm between the axes and the more compact version with 35 mm between the axes. These manifolds for sanitary [...]
06/07/2017

You don't need an operator, all you need are some air vent valves You don't need an operator, all you need are some air vent valves
As said many times before, automatic air vent valves are useful for eliminating the air and gases that accumulate in systems, and which cause problems during system operation. Air bubbles can, in fact, block some pipe branches, preventing correct heat exchange. Our air vent valves, especially [...]
29/06/2017

Hydraulic fittings and material internal stress Hydraulic fittings and material internal stress
The hydraulic fittings are sealed using gas threads of the conical type, with the addition of a sealing material on the thread. The material used to make these items is brass that has undergone a hot stamping process which, if not carried out correctly, can lead to serious corrosion cracking [...]
01/06/2017

Air venting valves and accumulations in systems Air venting valves and accumulations in systems
Why should you install an air venting valve?  The main reason is to eliminate the air and gas that accumulate in some areas of the system and which can prevent the fluid from flowing correctly through it. Air pockets can appear as a result of many different causes, but the main ones are: [...]
25/05/2017

Manifolds for water and multilayer pipes Manifolds for water and multilayer pipes
One of the most appreciated solutions to distribution in hot water systems is manifolds for water, made of stamped brass and worked on cutting-edge transfer machinery. These manifolds for water can be installed quickly without having to create chased intersections if combined with fittings for [...]
18/05/2017

Electric resistors for water heaters and the problem of system corrosion Electric resistors for water heaters and the problem of system corrosion
Electric resistors for water heaters induce vagrant currents into circuits which can favour spot corrosion. This damages the system components, starting from the electric resistors and ending with the boiler walls. Sacrificial anodes of magnesium are usually installed to protect these [...]
11/05/2017

Boiler safety valves do not always leak because they are faulty Boiler safety valves do not always leak because they are faulty
Boiler safety valves are devices that protect the heating system by discharging the water, therefore the excess pressure, when it exceeds 3 bar. At times, though, boiler safety valves can drip insistently, but almost never because of production faults. There are many other possibilities, and [...]
04/05/2017

Manifolds for water heating systems and stress corrosion. Manifolds for water heating systems and stress corrosion.
To keep water heating systems safe and long lasting, it is difficult not to think about using manifolds. These very versatile articles are made from brass and, thanks to their modularity, they can satisfy the most varied project requirements. The use of manifolds for water heating systems [...]
27/04/2017

PVC flexible hoses with fabric reinforcement PVC flexible hoses with fabric reinforcement
In the specific section of our catalogue you can find PVC flexible hoses already cut to size and headed with specific fittings for connection between the gas cylinder and the relative user, or in 100 m rolls to be cut to the required length. The characteristics of these PVC flexible hoses are [...]
20/04/2017

Life cycle of reducers for water Life cycle of reducers for water
All the reducers for both water and gas made in our factory are sold to clients with a calibration and compliance certificate, after they pass bench inspections and calibration. The life cycle of these products begins from their cataloguing and the study of the most suitable process for their [...]
13/04/2017

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