TECHNICAL DATA
OPERATION
X
Max.Operating pressure: 350 bar
Rated flow: 0.8 l/min
Cavity-Tooling: 11A-3
Installation torque: 40-50 Nm
Weight: 0.16 kg
ACCUMULATOR SENSE,
PUMP UNLOAD VALVE - PILOT CAPACITY
Rev.170207
B.751.112
Ordering Code:
UNIT:mm
15% Nominal Differential
3A
SPRINGS
Y
ADJUSTMENT RANGES
70 to 210 bar (70 bar Standard Setting)
A
20% Nominal Differential
32
30% Nominal Differential
33
50% Nominal Differential
35
Z
L
OPTIONS
Leakproof hex.
socket screw.
Note: Careful consideration should be given
when selecting an adjustment range.
System pressure drops and flows tend to
affect the operation of unloading valves.
35 to 105 bar (35 bar Standard Setting)
B
18 to 55 bar (18 bar Standard Setting)
D
140 to 350 bar (140 bar Standard Setting)
C
Pressure Differentail
vs. Flow Fully Piloted Open
Flow-Q(l/min)
P=bar
t
o
0
20
1.2
15
10
5
0.60.3 0.9
Typical Circuit
2
1
3
QP-11A-X-Y-Z
2
1
3
35.1 64
Locating
Shoulder
1
Acc.
Valve
Pilot
2
3
Drain
M20x1.5
22.2 Hex.
(7/8 inch)
Control Option:
Maximum extension
from locating shoulder.
(L Control shown)
19
2
1
3