ZU4 Electric Pumps - Norman Equipment Co.

Z-Class Directional Control Valves
VE43
Exclusive to
Z-Class pumps
• All valves feature several gauge ports for “system”, A port and
B port pressure monitoring based on application requirement
• User adjustable relief valves allow the operator to easily set the
optimum working pressure for each application
• All valves except VM32 and VE32D include “System Check” feature,
for more precise pressure holding and improved system control
VM,
VE
Series
Flow Capacity:
4.5 gal/min.
Maximum Operating Pressure:
10,000 psi
Model
Number
Hydraulic
Symbol
Schematic Flowpath
Advance Hold Retract
VM-4
VM32
VC-4
P
T
A
P
A
P
A
T
VM33
VM-4L
P
A
P
A
T
P
A
T
P
A
T
VC-4L
VM43
VC-20
VE32D
T
P
T
P
A
B
A
P
A
B
T
A
P
A
B
T
P
A
B
T
A
Locking Valves
For applications that require positive load
holding, VM Series valves (except the
VM32 valve) are available with a pilotoperated
check valve. This option provides
hydraulic locking of the load until the valve
is shifted into the retract position.
VC-20L
VE32*
T
P
A
T
P
A
A
T
P
A
VM33 Valves
Revised manifold porting that provides
faster cylinder retraction while motor is
running.
VSPR-4
VE33
T
T
P
A
T
P
A
T
P
A
P
A
T
P
T
P
T
P
VE43
P
A
B
B
B
T
B
P
A
T
P
A
T
P
A
T
* VE32 provides “Hold” function by turning off pump
and holding pressure against system check-valve.
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