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About the Typical Installations
These pumps are designed to be part of a Hydra-Cat
dispensing system that will proportion, mix, and
dispense two-component fluids. The typical installa-
tions shown below and on page 9 are only guidelines
to setting up a complete proportioning system. For
clarity, various components are shown in the correct
order but may not be shown in exactly the position of
the installed system. For assistance in designing your
system, contact your Graco distributor.
Light Viscosity System
Two Displacement Pumps,
5:1 Ratio Feed Pumps
KEY
A
Bleed-type master
air valve
B
Air filter
C
Air lubricator
D
Pump runaway valve
E
Pump air regulator
F
Feed pump
G Ground wire
A
B
C
D
E
A
HARDENER
Fig. 1
8
308224
Typical Installation
H
Proportioning pump
J
Fluid pressure gauge
K
Check valve
L
Automatic pressure relief
valve
M Fluid filter
N
Mixer manifold
G
F
E*
RESIN
NOTE: When pressure feeding the proportioning
pump, mount fluid pressure gauges (J) at the propor-
tioning pump inlets to monitor proper adjustment of the
feed pump pressures. Never exceed 25% of the
Hydra-Cat pump outbound fluid pressure on the feed
supply.
P
Fluid drain valve
Q Fluid shutoff valve
R
Static mixer
S
Dispense valve
T
Fluid regulator
U
Solvent pump
V
Fluid strainer
H
J* K*
A*
HARD
RES
1
J*
V*
Q*
1
See note above
Connect to drain bottle.
2
See Fig. 5, page 11
*
Included with wall or stand models
L*
M
N*
P*
R
HARD
RES
Q*
K
2
S
Q
T
U
M
02885
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