④
B.904.301.E
to
viscosity, cleanliness, temperature and so on are different, the curve or data will be different.
The performance curve or data is only for reference, as customers' using condition, pressure, flow, hydraulic fluid
Counterclockwise
Operation, Return
Manually Once
use only and are not intended for load holding application.
Please note that these operations are for emergency
instructions.
counterclockwise. Please refer to R type and RA type
will return to starting position automatically when release.
Turn knob clockwise to achieve override function. Knob
achieve override function by turning knob clockwise or
to release, then knob will return starting position.
Pressure Drop
Pressure-∆P
Flow-Q
290/20
218/15
145/10
73/5
psi/bar
Turn knob counterclockwise to locked position (fixed
Combining the operation of R type and RA type to
363/25
position) to achieve override function. Turn knob clockwise
②
to
③
①
Clockwise Operation,
Return Automatically
①
to
④
20 l/min300 10 40
2.6 7.9 10.6 US gpm
④
to
③
①to②
5076/350
3046/210
1015/70
psi/bar
6092/420
5.3
Pressure
Operating Limits
Flow-Q
□
20 l/min300 10 40
2.6 7.9 10.6 US gpm5.3
2030/140
4061/280
②to①
③
to
②
③to④
Clockwise Operation,
Return Automatically
Counterclockwise
Operation, Return
Manually Once
Red
Red
Red
RA
TECHNICAL DATA
STRUCTURE
X
Max. Operating pressure: 350
Rated flow: 40
Cavity-Tooling: 31A-4
Installation torque: 40 - 50
Weight: 0.260
4A
Rev.250630
Ordering Code:
UNIT:mm
kg
Nm
l/min
bar
OPTIONS
Z
OPERATION
Y
30A
(Refer To Performance Chart)
(Refer To Performance Chart)
RB
)
( 160 cc/min./210 bar )
Standard Type
Maximum Leakage Approximately ．
Data subject to change.
for reference only.
Illustrations / detail are
Manual Override Knob
＊
Z=RB type:
Z=R type:
Z=RA type:
Z=R
Z=RA
Z=RB
TRANSITION:
TRANSITION:
TRANSITION:
(
Released)
Manual Override Knob
(
Once Released)
Optional: (
Standard
④ to
override knob instructions:
Please refer to the J.990.115.E directional valves manual
③ and ① to ②Manual operation,
, Transition 4 ports connected,① to ④
and ②
)RD (Optional:
)RE
Black
Standard
Black
Standard
(Optional:
)RF
Black
Spool, 4-Way, 2-Position, ③ to
Dual Manual Override Knob
(
Once Released)
(
Released
R
SPOOL DIRECTIONAL VALVE
(4-Way, 2-Position, Manual Operation,
②
to
①
and
③
to
④
)
(Direct-Acting)
DT-31A-X-Y-Z
2
3
4
1
4
3 1
2
(7/8 inch)
M20x1.5
22.22 Hex.
Knob
Adjust Knob
Manually
16.79
17.70
1
(T)
(A)
2
(P)
3
4
(B)
35.6
Locating
Shoulder
66.3
15.87
5.6
85.12 (Ref.)
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
