(Pilot Operated Reducing/Relieving,Ventable)
C
Flow-Q(l/min)
Pressure- P(bar)
-40
-20
0
20
40
60
20
80
120
TECHNICAL DATA
OPERATION
X
Max.Operating pressure: 350 bar
Rated flow: 40 l/min
Cavity-Tooling: 21A-4
Installation torque: 45-50 Nm
Weight: 0.19 kg
REDUCING/RELIEVING VALVE
40
Standard Type
Rev.160225
B.223.101
Ordering Code:
UNIT:mm
140
Relieving
Reducing
100
40
60
E
D
B
A
ADJUSTMENT RANGES
Y
K
SPRINGS
1.7 to 55 bar (14 bar Standard Setting)
Maximum Differential=140 bar
7 to 210 bar (14 bar Standard Setting)
Maximum Differential=210 bar
1.7 to 28 bar (14 bar Standard Setting)
Maximum Differential=140 bar
3.5 to 105 bar (14 bar Standard Setting)
350 bar inlet pressure
W
Regulated Pressure
Maximum Differential=210 bar
Lock Knob.
Cover.
OPTIONS
10.5 to 315 bar (14 bar Standard Setting)
Tamper Resistant
socket screw.
L
Z
Leakproof hex.
Stainless Steel
Handknob with
Control Pilot Flow (0.11 ~0.16 L/min.)
2
3
1
4
PV-21A-X-Y-Z
Inlet
Pressure
Shoulder
Tank
L=77
K=83
Locating
Reduced
Vent
4
22.2 Hex.
1
2
(7/8 inch)
M20x1.5
3
Control Option:
Maximum extension
from locating shoulder.
(L Control shown)
35.1
19
