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Performance Data
16 3A0427B
Performance Data
Use the following charts to choose the best ratio for your
application, depending on the desired fluid pressure
range and pressure losses due to flow rate, fluid viscos-
ity, and fluid line size.
The ratio determines the fluid pressure to air pressure
response curve:
• A higher ratio (1:3) will have a flatter response curve
and will not react as strongly to changes in the air
pilot signal.
• A lower ratio (1:1) will have a steeper response
curve but will cover a wider range of fluid pressure.
0
20 40 60 80 100
(0.7, 7.0)(0.56, 5.6)
(0.49, 4.9)
(0.42, 4.2)
(0.35, 3.5)
(0.28, 2.8)
(0.21, 2.1)
(0.14, 1.4)
(0.07, 0.7)
10
20
30
40
50
60
80
90
70
(0.63, 6.3)
0
(0.56, 5.6)
(0.42, 4.2)
(0.28, 2.8)
(0.14, 1.4)
Pilot Air Pressure
Regulated Fluid Outlet Pressure
psi
(MPa, bar)
psi
(MPa, bar)
1:1 Ratio,
High Port
1:2 Ratio
1:3 Ratio
1:1 Ratio,
Low Port