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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 installation
iss shown below and on page 7 are only a guidelines
to setting up a complete proportioning system. For
clarity, various components are shown in the correct
order but may not be shown in the exact position of the
installed system. For assistance in designing your
system, contact your nearest Graco representative.
Heavy Viscosity Heated System
Three Displacement Pumps,
10:1 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
H
Proportioning pump
A
B
C
D
E
A
Fig. 2
8
308225
Typical Installation
J
Fluid pressure gauge
K
Check valve
L
Automatic pressure
relief valve
M Fluid filter
N
Mixer manifold
P
Fluid drain valve
Q Fluid shutoff valve
H
E*
G
F
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.
R
Static mixer
S
Dispense valve
T
Fluid regulator
U
Solvent pump
V
Fluid strainer
W Fluid heater
X
Supply manifold
J* K* L*
A*
W
2
2
X*
J*
1
V*
Q*
See note above
1
Connect to drain bottle.
2
See Fig. 5, page 11
*
Included with wall or stand models
M
N**
P**
R
Q**
K
S
Q
T
U
M
02912
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