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Adjust
Adjust
Adjust Ratio
Ratio
Ratio
Understanding the terms used with the Hydra–Cat
Hydra–Cat
Hydra–Cat
(H.P.)
(H.P.)
(H.P.) System
System
System, how it functions, and how to find and
set the correct ratios
ratios
ratios for your application is the key to
easier, more versatile operation of your proportional
system.
Be sure to read and understand the following
information before operating the equipment.
Table
Table
Table 1
1
1 Terms
Terms
Terms
Term
Term
Term
Definition
Definition
Definition
Ratio
Ratio
Ratio
Ratio refers to the
simultaneous output
of a certain volume of
fluid by the primary
primary
primary and
secondary
secondary
secondary pumps
pumps
pumps.
Primary Pump (A)
The primary
primary
primary pump
pump
pump (A)
(A)
(A)
is directly under the
air
air
air motor
motor
motor (H)
(H)
(H); it usually
pumps the base
base
base fluid.
Secondary Pump (B)
The secondary
secondary
secondary pump
pump
pump
(B)
(B)
(B) is on the opposite
end of the lever
lever
lever arm
arm
arm
(E);
(E);
(E); it usually pumps the
catalyst
catalyst
catalyst. The ratio of the
secondary pump(s) can
be changed by adjusting
the ratio
ratio
ratio adjustment
adjustment
adjustment
screw
screw
screw (C).
(C).
(C).
There are three main steps when applying the use
of ratios:
1.
Determine the ratio that is required,
2.
Calculate the ratio setting.
3.
Set the ratio on the Hydra-Cat H.P. system.
Figure 2
A
Primary Pump
B
Secondary Pump
C
Ratio Adjustment Screw
D
Wet Cups
E
Fulcrum and Arm
F
Primary Pump Output
G
Secondary Pump Output
H
Air Motor
J
Air Input
K
Bleed Type Master Air Valve
3A3092A
9