OPERATION
X
ACCUMULATOR SENSE,
PUMP UNLOAD VALVE - PILOT CAPACITY
Rev.170207
B.751.102
Ordering Code:
UNIT:mm
10% Nominal Differential
31
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.
34
40% Nominal Differential
30 to105 bar (70 bar Standard Setting)
B
18 to 55 bar (25 bar Standard Setting)
D
100 to 280 bar (210 bar Standard Setting)
W
TECHNICAL
DATA
Note: Careful consideration should be given
when selecting an adjustment range.
System pressure drops and flows tend to
affect the operation of unloading valves.
Weight: 0.25 kg
Max.Operating pressure: 350 bar
Installation torque: 35-45 Nm
Cavity-Tooling: 10W-3
Rated flow: 4 l/min
Typical Circuit
Pressure Differentail
vs. Flow Fully Piloted Open
X=35 (50%)
0
P=bar
Flow-Q(l/min)
X=33 (30%)
X=32 (20%)
X=34 (40%)
8
3.2
6
4
2
1.6
0.8
2.4 4.0
2
1
3
QP-10W-X-Y-Z
46
79
3
2
1
Locating
Shoulder
25.4 Hex.
(1.0 inch)
7/8"-14UNF-2A
Control Option:
Maximum extension
from locating shoulder.
(L Control shown)
Drain
Valve
Pilot
Acc.
25
2
1
3
2
1
3
