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G55 Series GAS (CO
Specifications
Pump Design
Power Source
Materials of Construction
(wetted parts)
Temperature Limits
Weight
Dimesions
Displacement
Self Priming
Operating Pressure
Liquid Inlet Pressure
Flow Rate
Noise Level
Approvals
DANGER:
ASPHYXIATION HAZARD
SymbolsIf CO
product, be sure the area is well ventilated or gas is exhaust-
ed to outside atmosphere via hose.
WARNING:
EXPLOSION HAZARD
Only used with specified products. DO NOT
PUMP LIQUIDS WITH A FLASH POINT BELOW 100°F (38°C) OR
USE WHERE FLAMMABLE VAPORS ARE PRESENT.
Application
All information provided is applicable to both the
G55 & G5A Series pumps unless otherwise specified.
Flojet's G55 & G5A Series pumps are designed for dispensing
Bag-In-Box (BIB) syrups, juice concentrates (without pulp or
particulate), teas, wines, draught beer and liquor.
A pump can supply up to eight (8) 3.0 oz./sec. valves or four (4)
4.5 oz./sec. valves from a remote location.
Mounting and Installation
• Pump must be located within 10 ft. (3.05m) above or below
bag-in-box.
• Pump must be mounted with fittings facing down to maximize
pump performance.
• Mounting grommets are part of pump assembly, and add
stability.
• Fasten pump securely to BIB rack using #10 sheet metal screws
or use wood screws for wall mounting. (Screws not included
with pump)
Positive Displacement,
Double Diaphragm
CO
Gas, Nitrogen or
2
Compressed Dry Filtered Air
Polypropylene, TPV, EPDM,
AISI 303 or 304 Stainless Steel
34° - 120° F (1.1° - 49° C)
1.24 lbs. (0.56 kg.)
5.27" H x 3.21" W x 4.58" D
(133.8 mm x 81.5 mm x 116.3 mm)
3.2 oz. per cycle
Up to 10 ft. (3.05 m)
20 psi (1.4 bar) min. /
90 psi (6.2 bar) max.
30 psi (2.1 bar) max.
7.0 oz. (207.0 ml)/sec. - Open Flow
Maximum 80 dB
NSF listed & CE
or N
is used to operate
2
2
– See Fig.1.
)/AIR DRIVEN PUMP
2
Hose Connections
• All fittings are quick change.
• Be sure the brass CO
retainer clip is engaged.
• For product hose use food grade vinyl hose or equivalent to
Tygon hose.
• Secure with appropriate Oetiker Clamp for specified tubing or
other specified clamp.
• Both ends of product out hose should be secured. One end to
the product out port and the other end to the dispensing valve.
• It is advisable to secure all hoses to prevent excessive move-
ment/side load of fittings.
• If pump is installed in an enclosed area such as a closet or
basement, connection of a hose to the gas discharge fitting
should be done to vent CO
portion of the CO
exhaust can be removed with pliers.
2
• The CO
exhaust fitting may be removed when the air pressure
2
is released to empty pump of condensation when using an air
compressor.
Operation
– See Fig.1.
To start operation, regulate gas pressure to desired setting.
For most installations, 65 PSI (4.5 BAR) will be adequate. (To
determine gas pressure requirements refer to Flojet's G55 Series
Pumps – Run/Rise Charts.) Open dispensing valve to purge air
from system. Once primed, pump will operate automatically by
starting and stopping on demand, as beverage is served. Product
flow and pressure can be adjusted by increasing or decreasing gas
pressure to accommodate varying product viscosity, temperature,
syrup flow rates, inside diameter of tubing and fittings as well as
horizontal and vertical distance of outlet tubing.
The G55 pump is capable of handling up to 30 PSI (2.1 BAR) prod-
uct inlet pressure. This is excellent for boosting syrup applications.
2
– See Fig.1.
fitting is installed all the way and the
2
to atmosphere safely. The muffler
2
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