730 Series Servo Valves

Direct-Operated Flow Control for Analog Signals

  • 2-stage flow control Mechanical Feedback (MFB) Valve
  • Nozzle flapper pilot stage for high dynamics, high resolution and low hysteresis
  • High spool driving forces, rugged design ensures long-life operation
  • High Pressure version available for continuous operation at system pressures up to 8,000psig
  • Instrinsically-safe version available for applications requring products certified for potentially hazardous environments
  • Optional external pilot supply (X-Port) and return (Y-Port) connections
Specifications
Hydraulic Data  
Rated Flow*
4 to 66  l/min (1 to 17.4 gpm)
Standard Configurations 4, 10, 19, 38, 57 l/min
(1, 2.5, 5, 10, 15 gpm)
Max. Operating Pressure 210, 275, 350 or 550 bar
(3,000, 4,000, 5,000 or 8,000 psi)
   
Performance Data  
100% Step Response** 7 to 16 ms
Frequency Response*** 110 to 185 Hz
   
Electrical Data  
Rated Signal**** 8 to 100 mA
Standard Configurations 15, 40 mA 
   
Physical Data  
Size
(Mounting Pattern)
Size 4 (ISO 10372-04-04-0-92)
Weight 1.0 kg (2.25 lbs)
Additional Options

Intrinsically Safe, Magnetic Null Adjust, Reverse Polarity

Contact Industrial Application Engineering for additional Flow, Pressure and other options

* @ ∆p 70 bar (1,000 psi)
** Response at 3,000 psi System Pressure
*** at 90° Phase Lag
**** Single Coil