Enerpac VM3 Fiche D'instructions page 4

3-WAY MANUAL VALVE DIAGRAMS
Manual Valves
Advance-Neutral/Hold-Retract
VC-3 Manual 3-Way
Directional Valve –
Mounts at any convenient location
in system where control point is
needed.
VC-15 Manual 3-Way
Directional Valve –
Closed center version of VC-
3 – for multiple independent
cylinder operation.
VM-3 Manual 3-Way
Directional Valve –
Provides centralized
control of pump output.
TANDEM CENTER
Minimum restriction of
hydraulic oil flow during
cylinder cycles.
.250-18 NPTF pump
pressure gauge port
"GP"
A
"GA"
"GP"
"GP"
T
P T
.250-18 NPTF gauge
port "GA"
A
P T
TANDEM CENTER
A
P T
CLOSED CENTER
A
P T
VM33
.250-18 NPTF pump
pressure gauge port "GP"
User adjustable relief valve
.375-18 NPTF advance/retract port
.375-18 NPTF auxiliary tank
return "T"
Remote Mounted
VC-3L Manual 3-Way
Locking Valve –
Same as VC-3 but with
built-in locking feature.
VC-15L Manual 3-Way
Locking Valve –
Same as VC-15 but with
built-in locking feature.
Pump Mounted
VM-3L Manual 3-Way
Locking Valve –
Same as VM-3 but with
built-in locking feature.
Pump Mounted
.250-18 NPTF pump
pressure gauge port "GP"
"GA"
"GP"
"GP"
P
Port permanently
plugged
4
Manual Locking Valves
Advance-Hold-Retract
A
P T
TANDEM CENTER
A
P T
CLOSED CENTER
A
P T
TANDEM CENTER
VM33L
.250-18 NPTF pump
pressure gauge
port "GP"
A
T
.375-18 NPTF advance/retract port
T
.250-18 NPTF gauge port
"GA"
.375-18 NPTF auxillary tank
return "T"