Different styles for application requirements – Modules (rail mount) – Plug-in Euro Cards – On-Board Electronics – Plug Amplifiers  

Flows to 1000 Lpm at 70 bar ?p Sleeve/Spool in main stage Cast body reduces weight & cost Long life with HFC-water glycol, at high…

Servo Valve always has a Sleeve and Spool in Main Stage Servo Torque Motor and Orifices Control Pressure Balance to Position Main Spool Small Signal…

4WRVE higher dynamics – Pilot 4WRREH 6 – Main Stage Same as 4WRL 12-pin Elec. Connector No Failsafe Position (Center main spool with Z4WE6 under…

4WRREH 6: Push-pull, servo solenoid for faster response than 4WRPEH 6 – 250 Hz @ -90 deg, small signal – Nearly as fast as 4WS2EM6…

Nominal Flow (Size 10 to 35) – 50 to 1100 LPM @ 10 bar or 145 psi ?p, like a Proportional Main stage has LVDT…

V-Spool with Linear flow characteristic can improve system performance Higher P-gain in controller reduces following error Easier tuning of close loop application