
3
2
1
Illustrations / detail are
for reference only.
Data subject to change.
COUNTERBALANCE VALVE
Rev.221103
B.121.203.E
Ordering Code:
UNIT:mm
external metal components
Pressure Drop
30
25
20
15
10
5
240180120
60
0
Pressure- P(bar)
Flow-Q(l/min)
PILOT RATIO
X
3D
3B
2.3 : 1 (with sealed pilot)
4.5 : 1 (with sealed pilot)
R
20 - 105 bar (70 bar Standard Setting)
70 - 175 bar (140 bar Standard Setting)
SPECIAL PURPOSES(0.3 bar Cracking Pressure)
D
C
140 - 350 bar (210 bar Standard Setting)
70 - 175 bar (140 bar Standard Setting)
ADJUSTMENT RANGES(1.7 bar Cracking Pressure)
140 - 350 bar (210 bar Standard Setting)
K
J
Y
SPRINGS
Free Flow or Piloted Open
load induced pressure.
Cover.
C
L
Tamper Resistant
socket screw.
Z OPTIONS
Leakproof hex.
Stainless Steel
②
to
than 270 bar.)
Pressure Setting:
is 350 bar, the load pressure has to be lower
(We suggest when the Max. setting pressure
=L) kg
Installation torque: 200 - 215 Nm
Cavity-Tooling: 17A-3
Rated flow: 240 l/min
ZWeight: 0.60 (
350 bar
TECHNICAL DATA
Max. Setting:
②
t
o
①
①
10 : 1 (with sealed pilot)
3J
P
20 - 105 bar (70 bar Standard Setting)
LP
Setting should be 1.3 times maximum
Leakproof hex.
socket screw.
With stainless steel
CB-17A-X-Y-Z
Load
from locating shoulder.
Valve
Shoulder
M36x2.0
4.0 Hex.
Pilot
Locating
(1-1/4 inch)
31.7 Hex.
release load.
to reduce setting and
Turn screw clockwise
(Z=L Control shown)
Control Option:
Maximum extension
14.0 Hex.
Torque 6 - 7 Nm
3
1
2
30
46.22 (Ref.) 70