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Installation near regulation and measurement groups
If the SV valve is installed in the immediate vicinity of regulation and measurement groups and / or is incorporated in the
same protection cabin / cabinet, all the precautions and design and safety requirements provided for by the EN 12279
and EN 12186 standards must be respected. particularly for the phases of first start-up, normal operating conditions,
decommissioning and restarting of the system.
Requirements according to points 6.1, 6.2 and 6.3 of the EN 12186 standard
6.1 Gas pressure regulating stations must be designed, constructed, positioned, operated and maintained taking into
account the safety and environmental requirements of the applicable regulations.
During the initial planning phase of the station, careful consideration must be given to the configuration of the site,
the need for security of the site and the possible housing of the installation.
Locations susceptible to impact damage should be avoided, or adequate precautions must be taken to prevent them.
6.2 The area of the site must be adequate to house the equipment ......,... taking into consideration the safety
distance required by the regulations.
...... ..The need to provide emergency exits must be taken into consideration and, where appropriate, these must be
installed.
The extent of the hazardous areas must be determined ......... and taken into account when defining the site's battery
limits.
6.3 Site Security
The gas pressure regulation stations must be secured against the entry of unauthorized persons.
If using a site safety fence, the equipment should be placed far enough away from the fence to prevent outside
interference.
In an area subject to greater risk of interference, an adequate number of security inspections for the station or the
use of anti-intrusion devices must be considered.
Clearly visible signs prohibiting smoking and other sources of ignition must be displayed. The entrances to hazardous
areas must be marked according to national regulations.
Signs indicating an emergency telephone number must be clearly displayed.
P a g e .
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