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2.1-12
2003
Directional spool valves
Additional versions of connection blocks/adaptor plates for valve bank
• Connection block for pipe connection with 3-way prop. flow control
valve and pressure limiting valve
• Adaptor plates enabling, optional connection of a pressure switch
type DG3.. in port P
• Connection block with incorporated idle circulation valve
(see also “Additional informations”)
• Individual connection block with/without pressure limiting valve,
• Adaptor plates for direct mounting onto compact hydraulic power packs
manually or tool adjustable
Symbols (valve sections)
max. 10 valve may be combined in a valve bank
Basic symbol
Individual valve
SW
Symbol
Valve bank
SWR
May be connected either in parallel or in series within a valve bank
G
SWS 2
D
E
C 4)
O
N
B
W
K
Q
R
U 4)
Ancillary block with
additional features
(consumer side)
Only connected in series
SWP / NSWP
SWP
within a valve bank
Actuation
L
F
H
S
4)
Y
Spool valves with
prop. actuation
G
D
Additional
features
(pump
side)
4) Only size 1
Additional versions (valve sections)
• Individual connection blocks without or with pressure limiting valve,
manually or tool adjustable (type SWP 1)
• Type NSWP 2 with pressure switch type DG 3
(CETOP3, connection/pattern NG 6)
• Individual valve with check valve or orifice in port P and/or check valve
in port R (type SWP.)
• Type NSWP2 with check valve and/or orifice in port P and/or orifice/
restrictor check valve at consumer side A, B as well as return pressure
stop in R
(see also “Additional informations”)
Valve sections type SWS 2 with additional functions (pump side)
Additional versions (valve sections)
• Basic block with/without provision for additional functions
• Pressure reducing valve, reducing the pressure downstream in gallery P
• Basic valve block with orifice, throttle, check valve or flow control valve
• Damped valve spool for consumer side A and B (type SWP 2, SWS 2)
Valve sections type SWS 2 with additional functions (consumer side)
Additional function
Releasable check valve
Shock valve
Sequence valve
Over center valve
Symbol
Additional versions (additional functions type SWS, SWP 1)
• Releasable check valve consumer side A or A and B (type SWP1)
• Ancillary block without function, tapped ports G 1/4 or G 3/8 (BSPP)
• Ancillary block with shock and/or suction valves consumer side A
or A and B
• Ancillary block with over center valve consumer side A or B
2003
2.1-13
Directional spool valves
Actuation solenoid (SWS 2, NSWP)
• On/off solenoid (pmax = 315 bar)
• Solenoid with stroke limitation (limiting Qmax)
• Solenoid with detent
• Double solenoid (two speed rates)
• Prop. solenoid
• Ex-protected solenoid (pmax = 210 bar)
Solenoid voltage
• 12V DC, 24V DC, 230V AC 50/60 Hz
• Plugs with LED, improving EMC or with economy circuit
• Other voltage on request
(see also “Additional informations”)
End plates
Additional versions (end plates)
Basic type
Coding
Symbol
SWR1
• Version with additional ports P or R, (may be plugged)
• Version with idle circulation valve (on/off, proportional)
SWP1
1
SWS2
• End section spool valve
• Adaptor plates for the combination with directional seated valve banks
type BWH(N)1, BWH2
Order examples
2
1
SWR1 A7 - WGZ6G - 1 - WG230 - 210
SWP1 G - 1/4SR - G24 - 150
Valve bank type SWR, size 1, connection block with manually adjustable
Indiv. manifold mounting directional spool valve, size 1, flow pattern G,
pressure limiting valve (factory set to 210 bar), valve sections W and G
mounted on indiv. connection block with manually adjustable pressure
pressure reducing valve (coding Z6) installed between the valve sections,
limiting valve (factory set to 150 bar) and tapped ports G 1/4 (BSPP),
standard end plate (coding 1) and solenoid voltage 230V AC 50/60 Hz
solenoid voltage 24V DC
SW1 G - G24
Indiv. directional spool valve for pipe connection, size 1, flow pattern G,
solenoid voltage 24V DC
SWS2 A7/200 - G/M/2/2RH
- G10/MPFAB/DW/2AL B7/180 BLC4/140
Symbol
Valve bank type SWS, see order example below
- E/M/R/2AN100 BN100-1-G 24
Valve bank type SWS, size 2, connection block with pressure limiting valve (manually adjustable, factory set to
200 bar);
1. Valve section flow pattern G with solenoid actuation, no
additional function in gallery P, with ancillary block featuring releasable check valves for ports A and B;
2. Valve section flow pattern G with prop. solenoid actuation (MP) and stroke limitation for A and B (FAB), max. flow
for ports A and B is 10 lpm, flow control in gallery P of the
basic valve body (DW), ancillary block with over center
valves (factory set to A = 180 bar and B = 140 bar); 3.
Valve section flow pattern E with solenoid actuation,
check valve in gallery P, ancillary block featuring shock
and suction valves for ports A and B (both factory set to
100 bar), standard end plate. All solenoids 24V DC.
2.1-14
2003
Directional spool valves
Dimensions
Type SW
Type SWR1 and SWS2
Valve bank, see order example
Flow pattern for valve bank type SWR, see order example
approx. 81
approx. 81
Connection
Valve sections
End plate
approx. 81
Type SWP, NSWP 2
Manifold mounting valve, see order example
approx. 104.5
block
Pressure
approx. 104.5
limiting valve
approx. 91
Indiv. connection block
approx. 81
approx. 81
All dimensions in mm, subject to change without notice!
Basic type
H
B
T
m (kg)
Indiv. directional spool valve Connection block
SW1, SWR1, SWP1
SW2, SWS2, SWP2, NSWP2
77...90
40
40...44
1.1...1.5
0.6...0.7
78...82.5
60...70
40...45
1.1...2.4
approx. 0.8
Additional informations
• Directional valve banks type SWS
• Directional valve type SW.1
type SW.2, NSWP2
D 7951
• See also “Turn-key solutions out of the modular system”
D 7450
• See also section “Devices for special applications”
D 7451, D 7451 N
(Industrial trucks)
• Plugs with LED etc.
D 7163
• Plugs with economy circuit
D 7813, D 7833
For page and section of the devices additionally listed,
• Pressure switches type DG3.., DG5.E
D 5440, D 5440 E
see type index
2003
2.1-15