Spool schematics – BRAND Hydraulics DS DIRECTIONAL CONTROL VALVES User Manual
Page 3
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C
D
C
D
A
E
B
F
A - Series/Parallel
B - Selector spool with open
cross-over transient position
C - Selector spool with closed
cross-over transient position
C
D
G - Selector spool with closed
cross-over transient position
and unused ports open
F - Selector spool with open
cross-over transient position
and unused ports open
C
D
D
C
Spool schematics for "E" electric spool operator (transient position not shown)
B - Selector spool with open
cross-over transient position
Spool schematics for "L" lever
spool operator (transient position
not shown)
A - Series/Parallel
C
D
C
D
Spool schematics for "P" pilot
spool operator (transient position
not shown)
D
A - Series/Parallel
C
C
B - Selector spool with open
cross-over transient position
D
Spool schematics for "K" knob
spool operator (transient position
not shown)
D
A - Series/Parallel
C
C
B - Selector spool with open
cross-over transient position
D
A B
F
E
A B
F
E
A B
F
E
A B
F
E
A B
F
E
A B
F
E
A B
F
E
A B
F
E
A B
F
E
A B
F
E
E
C - Selector spool with closed
cross-over transient position
C
A B
D
C
D
C - Selector spool with closed
cross-over transient position
A
F
E
B
F
D
C
C - Selector spool with closed
cross-over transient position
A B
F
E
SPOOL SCHEMATICS: