Industrial Hydraulics

Bosch Rexroth AG Industrial Hydraulics 85 Proportional, high-response and servo-valves
High-response valves, pilot operated, with electrical position feedback
< Sizes 10 to 25
< Porting pattern to DIN 24340 form A and ISO 4401
< Control of the direction and magnitude of a flow
< Use for closed-loop controls with high dynamics
< RV-HRV pilot control valve
< Modular system with different valve symbols
< Series with integrated electronics
< Characteristic curves with and without inflection
Type 4WRVE
Size 10 16 25
Operating pressure pmax bar 350 350 350
Nominal flow (∆p = 10 bar) qV nom L/min 55, 80 120, 200 370
Maximum hysteresis % 0.1 0.1 0.1
Frequency at -90 ° phase response f Hz 100 100 55
Operating voltage Unom V 24 24 24
Comm. value signal U V ± 10 ± 10 ± 10
High-response directional valves, pilot operated,
with electrical position feedback
< Sizes 10 to 25
< Porting pattern to DIN 24340 form A
< Control of the direction and magnitude of a flow
< Suitable for closed-loop controlling of force, position, velocity and pressure
< Pilot control via a 3-way high-response valve with position feedback
< Self-centering of the main stage
< Position sensing of the main spool via an inductive position transducer
< Integral control electronics
Type 4WRGE
Size 10 16 25
Operating pressure pmax bar 315 350 350
Nominal flow (∆p = 10 bar) qV nom L/min 50, 100 125, 200 250, 350
Maximum hysteresis % 0.1 0.1 0.1
Frequency at -90 ° phase response Hz 100 65 60
Operating voltage U V 24 24 24
I mA 3 3 3
Comm. value signal U V ± 10 ± 10 ± 10
I mA ± 10 ± 10 ± 10
Detailed information:
RE 29077
Detailed information:
RE 29070