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april 2011

Safety valve and assembly onto the water heater

The safety and check valve must be fitted onto the water heater inlet for it to operate correctly

The safety valve is an essential component to ensure the safety of persons and installations, when the latter are heated at high temperature through water heaters and boilers that might give rise to such elevated pressure values as to cause their explosion.
To avoid this, the dedicated section of the GNALI BOCIA catalogue includes a safety valve suitable for any use and capable of acting as a check valve as well, as is the case in those specific to domestic boilers.
In this case, the safety valve must be fitted onto the cold water inlet, since that, thanks to the spring check function, allows us to prevent the hot water from flowing towards the water main with a resultant waste, and especially to ensure that, in the event of pressures exceeding 6 bars, the excess pressure does not leak out, thereby averting dangerous explosions.
Each safety valve is tested in a lab and issued along with the relevant certificate as laid down by European legislation; in addition, our labs can also conduct specific tests at the behest of customers.


See also
30/03/2018 Safety valve useful to avoid explosions Brass safety valve that allows to stop the gas in the presence of abnormal conditions in the system

30/11/2015 Check valves in order to prevent energy dispersions The function of a check valve, often combined with the safety valve for the sake of a space-saving solution

30/09/2016 Safety valve for boiler approved in accordance with the PED directive Safety valve for boiler made in brass on numerical control machines at the Lumezzane plants

30/04/2013 Safety provisions of the valves offered by Gnali Bocia Safety valves are designed to work on contact with hot water accumulation systems for sanitary installations

30/03/2016 In the event of an emergency, the shut-off valve comes into operation Shut-off valves and security valves prevent damages to the thermic system.

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