Approved meter oil: High VI R&O AW ISO VG 15
red, is available from Romet in one quart (litre)
plastic bottles. Other approved oil: Shell Morlina S2
BL 10. Use only one type of oil (never mix different
oils together). The addition of oil additives will
change oil properties which may cause the meter to
read incorrectly or result in complete meter failure.
➢ Ensure all oil plugs (and any other connections) are
properly tightened and secured before pressurizing
the meter set.
➢ When the meter installation has been completed,
the meter set should be pressurized SLOWLY
(maximum 5 psig or 35 kPa per second) up to the
allowable operating pressure specified to avoid
internal over-speed or slamming of the meter.
Should the installation be subject to sudden
“INSTANT ON-OFF” loads, a properly sized
restricting orifice or venturi flow nozzle should be
installed downstream of the meter to protect the
meter from damage.
➢ Check for any gas leaks or other possible problems.
➢ After start up, the readout counter or drive should
be running smoothly and in the correct direction
when the required gas flow condition has been
reached.
➢ Note: For further information, refer to Romet
“Installation & Maintenance” RM or G series
booklets. Since this publication is a general
guide, always refer to your company’s standard
practices for other details. This Bulletin is based on
actual field problems encountered and gas industry
standards.
Warning: Tampering or modifying design of
product may cause a potentially
hazardous situation.
TABLE 1 HARDWARE SPECIFICATION TABLE
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