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PVHC characteristic - Spool stroke vs current
0
400
200
600
1
2
1200
800
1000
1400
Current in mA
3
4
5
6
Spool stroke, mm
7
1600
400
200
600
1200
800
1000
1400
1600
200
100
300
600
400
500
700
800
200
100
300
600
400
500
700
800
@ 12V
@ 24V
V310 000.A
Ideal curve
Hysteresis
280/560 mA
500/1000 mA
280/560 mA
500/1000 mA
PVHC current response and hysteresis @ 25 bar P
p
, 21 ctS, 25 °C. The ideal curve is determined by the
main spool neutral spring. The PVHC has high hysteresis. The hysteresis is affected by viscosity, friction,
flow forces, dither frequency and modulation frequency. The spool position will shift when conditions are
changed e.g. temperature change.
Technical Information
PVG 100 Proportional Valve Group
Technical characteristics
©
Danfoss | May 2018
520L0720 | BC00000039en-US0502 | 33