PW-21A-X-Y-8
350
Relieving
with integral 8A control cavity)
Reducing
(Pilot Operated Reducing/Relieving, Externally Drained
Regulated Pressure
TECHNICAL DATA
OPERATION
X
Max. Operating pressure: 350 bar
Rated flow:
40
l/min
Cavity-Tooling: 21A-4
Installation torque: 40-50 Nm
Weight:
0
.129 kg
REDUCING/RELIEVING VALVE
Rev.201127
B.224.201.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 CAVITIES
8
Impact resistant type
＊43
consult with our sales dept.
Control Pilot Flow (0.11-0.16 L/min.)．
Any technical questions, please feel free to ．
(5000 psi) maximum inlet pressure.
150
100
250
300
200
50
40200-20-40-60
Flow-Q(l/min)
60
Pressure (bar)
differential pressure and the W spring is limited to 350 bar
The D spring is limited to 140 bar (2000 psi) maximum
Maximum inlet pressure is determined by the bias spring.
Very good pressure control
Improved dynamic response
PRB-8A-2D-Y-Z、
consult our sales department.
Low leakage
Standard type
Low leakage without filter
45
．Proportional valve applications: please refer to
PRA-8A-2D-Y-Z-74
．
If any specific pressure is needed, please
40
8A CAV
4
1
2
3
Inlet
Tank
Shoulder
Locating
8A-2 Cavity
M20x1.5
Drain
22.22 Hex.
(7/8 inch)
Reduced
Pressure
2
4
3
1
35.1 46
