DeLUX MOISTURE Link G2 DP, Operation Manual

Page: 163 / 322

NOTE
: The sum of the outlet pressure and the maximum pressure differential must be greater than the inlet
pressure.
CAUTION
: The maximum outlet emergency pressure (casing pressure) is 550 psig. This number takes
precedence over the maximum outlet pressure above the pressure setting.
VENTS
:
The MEGR-1630 pressure regulator is supplied with a screened vent assembly in the 1/4 NPT bonnet vent
hole.
WARNING!
The vent should be inspected periodically to insure that it has not become plugged. Make sure the
vent remains free from any foreign debris, or weather related contaminants. If the regulator is to be
used in an enclosed area, vent lines should be piped to a ventilated area.
START UP:
To start up the regulator, open the upstream shut-off valve allowing gas pressure to enter. The use of
gauges to monitor pressures is strongly advised. The outlet pressure range is noted on the nameplate. In
the event that the desired pressure setting is outside the rated pressure range of the regulator, substitute
the correct range spring. Make sure the nameplate is changed to reflect the new outlet pressure range.
WARNING!
To prevent placing the range spring under excessive stress, always use the correct adjustment
screw for the range selected.
Dangerous conditions, which may damage internal components, may result from outlet pressures
exceeding the set pressure by more than 200 psig. This excess pressure must never exceed the maximum
casing pressure of 550 psig. To prevent overpressure conditions, make certain the new pressure setting
does not exceed the limits of the range spring being used. The use of a pressure gauge when making
adjustments is strongly recommended.
SHUTDOWN
:
Slowly close the upstream shut-off valve and relieve the system of all pressure. The use of pressure
gauges is recommended to ensure that there is no upstream or downstream pressure still applied to the
regulator or pressure system.
MAINTENANCE
:
During the course of the regulator's service it may become necessary to replace or repair certain
components.
WARNING!
These procedures are for gaining access to the range spring, diaphragm assembly, and the lever.
All spring pressure must be released from the regulator before these steps can be performed. While
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