．Proportional valve applications: please refer to
PRA-8A-2D-Y-Z-74、PRB-8A-2D-Y-Z
．Any technical questions, please feel free to
consult with our sales dept.
8A CAV
4
1
2
3
with integral 8A control cavity)
Relieving
Regulated Pressure
350
(Pilot Operated Reducing/Relieving, Externally Drained
Reducing
45
Low leakage without filter
Standard type
TECHNICAL DATA
OPERATION
X
Max. Operating pressure: 350 bar
Rated flow:
320 l
/min
Cavity-Tooling: 24A-4
Installation torque: 465-500 Nm
Weight:
1
.328 kg
REDUCING/RELIEVING VALVE
40
Rev.201127
B.224.204.E
Ordering Code:
UNIT:mm
7 bar (100 psi)
W
D
1.7 bar (25 psi)
MINIMUM CONTROL PRESSURE
Y
SPRINGS
8A-2 Cavity
Z
Improved dynamic response
Control Pilot Flow (0.25-0.33 L/min.)
CAVITIES
Very good pressure control
(5000 psi) maximum inlet pressure.
differential pressure and the W spring is limited to 350 bar
8
．
The D spring is limited to 140 bar (2000 psi) maximum
consult our sales department.
Pressure (bar)
480
Flow-Q(l/min)
-480 -320 -160 0 160 320
50
200
300
250
100
150
Impact resistant type
＊43
Maximum inlet pressure is determined by the bias spring.
．If any specific pressure is needed, please
Low leakage
PW-24A-X-Y-8
Inlet
Locating
8A-2 Cavity
Tank
Drain
Reduced
Shoulder
M48x2.0
Pressure
41.2 Hex.
(1-5/8 inch)
3
1
2
4
63.5 80
