RE 18303-02/02.2016, Bosch Rexroth AG
4/3 - 4/2 way Directional valves
L50L0… (LC04-LV)
RE 18303-02
Edition: 02.2016
Replaces: 07.12
4/3 - 4/2 way Directional valves
lever operated
RE 18303-02
Edition: 02.2016
Replaces: 07.2012
General specifi cations
Direct operated directional spool valve
Hand lever actuator
Flange mounting on industry standard surfaces
according to CETOP RP121 H-4.2-4-P02
Size 4
Series 00
Maximum operating pressure 310 bar (4500 psi)
Maximum fl ow 25 l/min (6.6 gpm)
Contents
Ordering details 2
Functional description 4
Technical data 5
Characteristic curves 6
External dimensions and fi ttings 7
L50L0… (LC04-LV)
Bosch Rexroth AG, RE 18303-02/02.2016
2 L50L0… (LC04-LV) | 4/3 - 4/2 way Directional valves
Ordering details
Ordering details
01 02 03 04 05 06 07 08 09 10
L50L0 00
Family
01 Directional Valve elements
L
Type
02 CETOP valves
5
Size
03 NG 4 (P02)
0
Operation
04 Hand lever operated
L0
Hydraulic schemes
1)
05 4/3 operated on A or B side
_ 2 _ _
4/2 operated on A side
_ 3 _ _
4/2 operated on B side
_ 4 _ _
Lever position
1)
06 On A side
A
On B side
B
Lever direction
3)
07 Vertical (label side)
0
Horizontal (P side)
1
Vertical (Flanging side)
2
Horizontal (T side)
3
Spool control
2)
08 With spring return
M
With detent
F
Spool position
2)
09 3 position (a/0/b)
1
2 position (a/b)
2
2 position (a/0)
4
Optional
10 Standard
00
1) Only on the 3 position scheme (=_2__) it’s possible to choose if the
lever is mounted on A side or B side; for all the other schemes
(=_3__ / =_4__), the lever mounting on A side or B side is univocally
defi ned by the chosen scheme.
2) The spool positions’ options depend on the chosen hydraulic
scheme.
3) See overall drawing.
RE 18303-02/02.2016, Bosch Rexroth AG
4/3 - 4/2 way Directional valves | L50L0… (LC04-LV)
Ordering details
3
Symbols
=A201
=B201
=C201
AB
_201A_M1_=
PT
a0b
=D201
=E201
=A301
=B301
=C301
=E301
=N301
=X301
=Y301
_201A_F1_=
_301A_M2_=
_301A_F2_=
AB
P
T
a0b
AB
PT
a0b
AB
P
T
a0b
=_201B_M1_
=_201B_F1_
=_401B_M2_
=_401B_F2_
_301A_M4_=
_301A_F4_=
AB
PT
ab
AB
PT
ab
AB
P
T
ab
AB
P
T
ab
AB
PT
a0
AB
PT
a0
a0b a 0 b ab a b
ab a b
=X401
=Y401
a0 a 0
=N401
Bosch Rexroth AG, RE 18303-02/02.2016
4 L50L0… (LC04-LV) | 4/3 - 4/2 way Directional valves
Functional description
Functional description
1324
5
(T)
A
P
B(T)
Type L50L0
The hand lever operated valves type L 50L0 provide 3 or 4
way fl ow control, usually from port P to either port A or B,
and the consequent fl ow return to T from B or A
respectively.
The valves are composed by a central cast iron body (1)
which mounts on industry standard surfaces where the
fl ow ports and the installation holes are located; the central
body houses the precisely machined directional control
spool (2) can travel between 2 or 3 position, and which is
held in the neutral or initial position by the return spring
(5), or can be maintained in the shifted poisition by a
mechanical detent.
Through the hand operated lever (3), the control spool can
be pushed from the initial position into a shifted position
where oil fl ow is allowed from P to either A or B.
The control spool assembly (4) is available also with
mechanical detent which holds the spool in the shifted
position: in this case the spool can be brought back into
the central or initial position only by actuating the hand
operated lever (3).
Type L50L0_201_0M100
(available with hydraulic schemes =_M__ see page 17)
These are 2 or 3 positions hand lever operated valves with
control spool (2) normally kept in the neutral or initial
position by the return spring (5): when the control lever (3)
is released, the spool (2) returns to the central or initial
position pushed by the spring force.
Type L50L0_201_0F100
(available with hydraulic schemes =_F__ see page 17)
In these valves the directional control spool (2) can travel
between 2 or 3 positions, each one with mechanical detent:
the spool (2) stays in any reached position also if the hand
control lever (3) is released. The hand operated lever
needs to be actuated only in order to shift the spool from
one position to another one.
RE 18303-02/02.2016, Bosch Rexroth AG
4/3 - 4/2 way Directional valves | L50L0… (LC04-LV)
Technical data
5
Technical data
General
Valve element weight kg (lbs) 1.10 (2.25)
Mounting position Unrestricted
Ambient Temperature °C (°F) –20....+50 (-4....+122) (NBR seals)
Hydraulic
Maximum pressure at P, A and B ports bar (psi) 310 (4500)
Maximum pressure at T bar (psi) 160 (2320)
Maximum inlet fl ow l/min (gpm) 25 (6.6)
Hydraulic fl uid
General properties: it must have physical lubricating
and chemical properties suitable for use in hydraulic
systems such as, for example:
Mineral oil based hydraulic fl uids HL (DIN 51524 part 1).
Mineral oil based hydraulic fl uids HLP (DIN 51524 part 2).
For use of environmentally acceptable fl uids (vegetable or
polyglycol base) please consult us.
Fluid Temperature °C (°F) –20....+80 (-4....+176) (NBR seals)
Permissible degree of fl uid contamination ISO 4572: β
x
≥75 X=12...15
ISO 4406: class 20/18/15
NAS 1638: class 9
Viscosity range mm
2
/s 5....420
Note
For applications with different specifi cations consult us
Bosch Rexroth AG, RE 18303-02/02.2016
6 L50L0… (LC04-LV) | 4/3 - 4/2 way Directional valves
Characteristic curves
Characteristic curves
bar
18
15
12
9
6
3
0 5 10 15 20 25 l/min
1 2 3 4 5
0 1 2 3 4 5 6 6.6 gpm
psi
260
250
200
150
100
50
0
Pressure Δp
Flow Q
Spool Variant Curve no.
P>T P>A P>B A>T B>T
A201, A301 12233
B201,B301,E201, E301,
Y301,Y401
- 3355
C201,C301,X301, X401 33355
D201,N301 - 4 4 - -
Measured with hydraulic fl uid ISO-VG32 at 45° ±5 °C
(113° ±9 °F); ambient temperature 20 °C (68 °F).
Performance limits
bar
350
300
250
200
150
100
50
0
0 5 10 15 20 25 l/min
1
0 1 2 3 4 5 6 6.6 gpm
psi
5000
4000
3000
2000
1000
0
Pressure p
Flow Q
Spool Variant Curve no.
A201,A301, B201,B301,C201,C301,D201,
E201,E301,N301,X301,X401,
Y301,Y401
1
RE 18303-02/02.2016, Bosch Rexroth AG
4/3 - 4/2 way Directional valves | L50L0… (LC04-LV)
External dimensions and fi ttings
7
Dimensions [mm (inches)]
External dimensions and fi ttings
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Required surface finish
of mating piece.
1 Hand lever assembly, with 2 fi xation screws.
2 2 Rear side end cap, with 2 fi xation screws M5x14.
4 Seals (same O Ring) on ports A,B,P,T.
5 Drilling specifi cations of standard mounting surface according
to CETOP RP 121 H-4.2-4-P02.
6 Locking screws 3 pcs: ISO 4762 (UNI 5931) hexagon socket head
cap screw M 5x25, recommended specifi c strength 8.8 class, to
be ordered separately. Torque 5÷6 Nm (3.69÷4.42 ft-lb).
7 Lever assembly mounting side (Standard side is “A”).
8 Lever orientation.
9 Lever packing position.
10 Identifi cation label..
8
Bosch Rexroth AG, RE 18303-02/02.2016
Bosch Rexroth Oil Control S.p.A.
Oleodinamica LC Division
Via Artigianale Sedrio, 12
42030 Vezzano sul Crostolo
Reggio Emilia - Italy
Tel. +39 0522 601 801
Fax +39 0522 606 226 / 601 802
compact-hydraulics-cdv@boschrexroth.com
www.boschrexroth.com/compacthydraulics
© This document, as well as the data, specifi cations and other information
set forth in it, are the exclusive property of Bosch Rexroth Oil Control S.p.a..
It may not be reproduced or given to third parties without its consent.
The data specifi ed above only serve to describe the product. No statements
concerning a certain condition or suitability for a certain application can be
derived from our information. The information given does not release the
user from the obligation of own judgment and verifi cation. It must be
remembered that our products are subject to a natural process of wear and
aging.
Subject to change.
L50L0… (LC04-LV) | 4/3 - 4/2 way Directional valves
External dimensions and fi ttings
