Bosch Standard Valves Directional Control Hydraulic Valves
Unmatched Capability in Directional Control Valves
Directional control hydraulic valves are the most universally applied products for controlling the start, stop, and direction of fluid flow in a circuit. Rexroth’s directional valve technology includes:
- Sliding spool
- Poppet type
- Screw-in cartridge valves
- DIN cavity installations
Hydraulics Application: 2-way cartridge valves with directional function
Key features:
Sizes 16 to 160
Standardized installation to DIN ISO 7368 (up to size 100)
Standard area ratios 2:1 and 14.3:1
“High flow” by default
Valve poppet with and without damping nose
Various opening pressures
Various stroke limitation adjustment types
Control cover, optionally with:
integrated poppet/shuttle valve
built-on possibility for directional poppet/spool valve or combination
end switch monitoring
Variable nozzle fittings
Optional shaft sealing
Mounting screws included in the scope of delivery of the cover
High pressure versions on inquiry
Special media (e.g. emulsion, water) on inquiry
Features
C Valve poppet with or without damping nos
C 2 area ratio
C 4 different spring
C 4 stroke limiter
C Control cover with integrated poppet valv
C Control cover with integrated shuttle valv
C Control cover for mounting directional spool valves with or with
out integrated shuttle valve
C Control cover with or without limit switch monitorin
C Further information
Pilot control valvesSize 6Size 10
Directional spool valv
Hydraulics Application: 2-way cartridge valves with pressure relief function
Key features:
Sizes 16 to 100
Standardized installation to DIN ISO 7368
Implementation of unloading, isolating and pressure stage circuits possible
Cartridge kit optionally with
poppet plunger
poppet-spool plunger
Various control valves for manual and/or electrical-proportional pressure adjustment
Integrated in the control cover
Additionally built-on as pilot control valve
Various combination options
Various opening pressures
Pressure stages ranging from 25 to 420 bar
Various adjustment types with manual pressure adjustment
Variable nozzle fittings
Optional shaft sealing
Mounting screws included in the scope of delivery of the cover
High pressure versions on inquiry
Special media (e.g. emulsion, water) on inquiry
Standard types
Typ LC (Cartridge Valve)Material-Number Type LFA (Control Cover)Material-Number
LC 16 DB40E7X/ LFA 16 DB2-7X/315
R900912532 R900912757
LC 16 DB40D7X/ LFA 32 DB2-7X/315
R900912768
R900912547
LFA 40 DB2-7X/315
LC 40 DB40E7X/
R900927972
R900927969
LFA 50 DB2-7X/315
LC 40 DB40D7X/
R900938163
Hydraulics Application: Directional spool valves, 4/2- and 4/3-way directional valves pilot operated 4WEH, externally pilot operated 4WH
Key features:
Sizes 10 to 32
Valves used to control the start, stop and direction of a fluid flow
Electro-hydraulic operation (WEH, hydraulic operation (WH)
For subplate mounting,Porting pattern to DIN 24 340 form A, ISO 4401 and CETOP-RP 121 H; NFPA T3.5.1 MR1 and ANSI B93.7 D05, D07, D08, or D10
Subplates to catalog sheets RE 45 054 to RE 45 060 separate order), see pages 18 to 22
Spring or pressure centered, spring or hydraulic offset
Wet pin DC or AC solenoids, optional
Hand override, optional
Electrical connections as an individual or central connection (see RA 23 178)
Switching time adjustment, optional
Back pressure valve in the P-channel of the main valve, optional
Hydraulics Application: Directional poppet valves, direct operated
Key features:
Sizes 6 and 10
Porting pattern to DIN 24340 form A and ISO 4401
Leak-free isolation of closed port
Solenoids with detachable coil
Pressure-tight chamber needs not to be opened for changing the coil (type SED)
Reliable switching when under pressure over longer periods of standstill
Download SEC, SED and SEW Directional Control Valves Data Sheets with solenoid operation
RE 22 035 SEC (Size 6)
RE 22 049 SED (Size 6)
RE 22 045 SED (Size 10)
RE 22 058 SEW (Size 6)
RE 22 075 SEW (Size 6)
3/3, 4/2 and 4/3-way, SEC (Size 6)
3/2 and 4/2-way, SED (Size 6)
3/2- and 4/2-way, SED (Size 10)
2/2-, 3/2- and 4/2-way, SEW (Size 6)
3/2- and 4/2-way, SEW (Size 10)
All offer Rexroth’s proven hydraulics quality: precise tolerances, exact machining methods, and highly engineered spool profiles, which provide a flexibility and variability to individual circuit or system solutions. Extensive experience in spool development technology permits Rexroth to offer improved shifting characteristics coupled with reduced shock loads during transition.
Key features:
Sizes 6, 10, 22
Approved for use in UL Listed and/or UL Classified OEM systems
The UL recognized component mark, UL File MH28670, ensures our valves successfully meet UL standards for safety
Hydraulics Application: Directional spool valves, direct operated, with solenoid actuation
Key features:
Wet-pin AC or DC solenoids
Solenoids with detachable coil
For subplate mounting (“P”): Porting pattern to DIN 24340 form A and ISO 4401
Electrical connection as individual connection or central connection
Optional inductive position monitoring (RE 24830)
Smooth switching characteristics
Key features:
Sizes 6 and 10
Individual connection directly on the solenoid coil
Central connection at the housing
Integrated operating display with light-emitting diodes (LED)
Integrated interference protection circuit (suppressor diode)
Electrical power consumption 8 and 30 Watt
Function version according to ANSI
Key features:
Sizes 6 to 32
Inductive position switch
Stroke adjustment elements (valve types WEH and WH only)
Direct monitoring of the spool position
High reliability
Long service life
Hydraulics Application: Directional spool valves, direct operated, with mechanical or manual actuation
Key features:
Sizes 6 to 32
Porting pattern to DIN 24340 form A and ISO 4401
As cartridge valve (version “K”)
Position monitoring by
inductive position switch or
mechanical position switch, optional (RE 24830)
Operation by means of
lever (type WMM)
roller (type WMR, WMU)
RE 22 280 WMM, WMR, WMU, WMD (Size 6)
RE 22 331 WMM, .R, .U, .D, WN, WP, WHD (Size 10)
RE 22 371 WMM (Size 16 to 32)
Mechanical, manual operation, WMM, WMR, WMU, WMD (Size 6)
Mechanical and fluidic operation, WMM, .R, .U, .D, WN, WP, WHD (Size 10)
Hand lever operation, WMM (Size 16 to 32)
Hydraulics Application: Directional spool valves, direct operated, with fluidic actuation
Key features:
Size 6
Direct operated directional spool valve
Operating elements:
Pneumatic
Hydraulic
Porting pattern to DIN 24 340 form A, without locating pin hole (standard); NFPA T3.5.1 MR1 and ANSI B93.7 D03
Porting pattern to ISO 4401 and CETOP–RP 121 H, with locating pin hole (ordering detail .../60 at the end of the valve type code); NFPA T3.5.1 MR1 and ANSI B93.7 D03
Hydraulics Application: Sandwich plate valves
Key features:
Sizes 6 and 10
4/2-way and 4/3-way cut off valve (sandwich plate valve)
4/2-way and 4/3-way isolating valve (sandwich plate valve)
RE 23 193 Z4WE (Size 6)
RE 24 753 Z4WEH, Z4WH (Size 10)
4/2- and 4/3 isolator valves Z4WE (Size 6)
4/2- and 4/3 isolating valve, pilot operated Z4WEH, Z4WH (Size 10)
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