5 Characteristic Curves
Spool stroke signal characteristic curve
© Moog GmbH User Manual "D633-A Series" (CA80942-001; Version 1.0, 12/08) 30
5.3 Spool stroke signal characteristic curve
1
Spool stroke signal
characteristic curve
5.4 Pressure signal characteristic curve
Pressure signal
characteristic curve of the
valves with zero lap
1
Typical characteristic curves (measured at operating pressure p
P
= 140 bar
(2,030 psi), viscosity of hydraulic fluid
ν
= 32 mm
2
/s and temperature of hy-
draulic fluid T = 40 °C (104 °F))
Spool str
oke [%]
command signal [%]
Figure 10: Spool stroke
signal characteristic curve
command signal [%]
Figure 11: Pressure signal characteristic curve
of the valves with zero lap
Figure 12: Setup for measuring the
pressure signal characteristic curve
∆
p
AB
p
P
--------
------
---
[%]
