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CAUTION: Do not exceed 90 PSI (6.2 BAR) total
gas inlet pressure for both pumps. The Flojet G55
Series Pump has a built-in auto shutoff valve which
stops the pump by shutting off the gas supply when
the bag is empty. The auto shutoff will automatically
restart the pump when a new bag is connected.
The Model G55 can be used in series. The first pump
pumping from location X to second pump Y.
The pump can handle 30 PSI (2.1 BAR) liquid inlet
pressure. The second pump should be set using
the run rise requirements. In a static condition the
dispensing valve will see the accumulated pressure
from both pumps. 3/8" (9.5 mm) tubing is required
in syrup boosting applications.
Fig. 1
Dry compressed air supply.
(Per ISO 8573.3: 2001)
P o
N
Supply
2
N
2
CO
Supply
2
CO
2
s t
M i
S y
x
r u
p
To vent exhaust gas, remove air
exhaust muffler, attach hose and
vent to outside atmosphere as above
CAUTION: Not intended for outdoor use.
CAUTION: The G55 Series must be installed in
an enclosure and/or protected from any splash or
spillage.
CAUTION: To avoid exposure to freezing
conditions, prior to storing, cleaning and servicing
of pumps, purge all liquid from the pump. Allowing
water to freeze in the system may result in damage
to the pump and plumbing system.
Only used with specified products. DO NOT PUMP
LIQUIDS WITH A FLASH POINT
BELOW 100ºF (38ºC) OR USE WHERE FLAMMABLE
VAPORS ARE PRESENT.
G Series
Pumps
Exhaust
muffler
attached
NOTE: Reference CO
located at http://www.xylem.com/flojet/
in Fig. 1
Exhaust
muffler
removed
3
Gases are
vented to
the outside
atmosphere
Safety Bulletin
2
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