Enerpac VM43 - Manual (Page 5)

5
Remote Mounted
VC-4 Manual 4-Way
Directional Valve –
Manually operated remote
valve. Allows finger tip
control for powered advance
and retraction of cylinders with holding in
center position. Can be readily mounted
at any convenient point in the system.
VC-20 Manual 4-Way
Directional Valve –
Closed center version of above
– for multiple valve operation
VM-4 Manual 4-Way Directional
Valve –
Allows finger tip control for
powered advance and
retraction of a cylinder.
VC-4L Manual 4-Way
Locking Valve –
Same as VC-4 but with
built-in locking feature.
VC-20L Manual 4-Way
Locking Valve –
Same as VC-20 but with
built-in locking feature.
VM-4L Manual 4-Way
Locking Valve –
Same as VM-4 but with
built-in locking feature.
TANDEM CENTER
Pump Mounted
4-WAY MANUAL VALVE DIAGRAMS
A
P T
B
A
P T
B
A
P T
B
P T
A B
P T
A B
CLOSED CENTER
Manual Type Valves Manual Locking Type Valves
Advance-Neutral/Hold-Retract Advance-Neutral/Hold-Retract
TANDEM CENTER
TANDEM CENTER
CLOSED CENTER
TANDEM CENTER
Advance-Hold-Retract
VM43 Pump Mounted
P T
A B
P T
A B
"GA" "GB"
"GP"
"GP"
T
.250-18 NPTF gauge
port “GB”
VM43L
User adjustable
relief valve
.375-18 NPTF
advance port
.375-18 NPTF
retract port
P T
"GP"
"GP"
T
A B
"GA" "GB"
.250-18 NPTF
gauge port “GA”
.375-18 NPTF auxiliary tank
return “T”
.375-18 NPTF
retract port
.250-18 NPTF gauge port “GA”
.375-18 NPTF auxiliary tank return “T”
User adjustable relief valve
.375-18 NPTF advance port
.250-18 NPTF pump pressure
gauge port “GP”
.250-18 NPTF pump
pressure gauge
port “GP”
.250-18 NPTF gauge
port “GB”
.250-18 NPTF pump
pressure gauge port “GP”
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