Bosch rexroth 4-way directional servo-valve 4WSE3E 25

PRODUCT DETILS 

Features
Valve for position, force, pressure or velocity control
3-stage servo-valve with electrical position control of the
control spool of the 3rd stage, position sensing of the control
spool by means of an inductive position transducer
High dynamics 2-stage pilot control valve of size 6
1st stage as nozzle flapper plate amplifier
Filter for 1st stage externally accessible and replaceable
Subplate mounting:
Porting pattern according to ISO 4401
Can also be used as 3-way version
Valve and integrated control electronics are adjusted and
tested in the factory
Optimized valve control loop
High response sensitivity, very low hysteresis and zero
point drift
Internal or external pilot oil supply and return
Gap seals at pressure chambers of the control sleeve,
no wear of O-ring


Technical data
general
Weight kg 16
Installation position Any, if it is ensured that the pilot control is supplied
with sufficient pressure (> 10 bar) during start-up of
the system. In case of insufficient pressure supply,
the control spool of the servo-valve can take any
position. This may result in channel P being connected to the actuator and the build-up of pressure
being delayed. This may be prevented by providing
an external pressure supply at port X.
Storage temperature range °C 20 to +80
Ambient temperature range °C 20 to +60