The VMRNA type is an automatic vent valve for gas appliances. It is suitable for discharging
excess or leakage gas into relief lines.
VMRNA valve is a reverse acting solenoid valve: when de-energized, the valve is open (N.O.
normally open).
The valves are made of aluminum alloy with connections from 3/4” or 1”½. Pipe connections
meet group 2.
Sealings are made of NBR-based rubber certified for use with air gas (EN 549). Suitable for
use with air and non-aggressive gases included in the 1st, 2nd and 3rd families (EN 437). Special
versions for aggressive gases (e.g. biogas).
Qualified for continuous service (100% ED).
Provided with G1/4 pressure gauge on two sides in inlet chamber to connect manometers,
pressure switches, or other gas equipment.
Provided with G1/8 connection to fit an open position indicator switch (see PCS datasheet – This
device shall be ordered separately).
VMRNA valve can be integrated in Elektrogas VMM valve, resulting in a very compact system
(see VMM datasheet for details).
All components are designed to withstand any mechanical, chemical and thermal condition
occurring during typical service. Effective impregnation and surface treatments have been used
to improve mechanical sturdiness, sealing and resistance to corrosion of the components.
Valves are 100% tested and fully warranted.
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