G771, G772, G773 and 771, 772, 773 Series Servo Valves

Direct-Operated Flow Control for Analog Signals

 

  • 2-stage flow control Mechanical Feedback (MFB) Servo Valve
  • Low friction, double nozzle pilot stage technology provide high dynamics, high resolution and low hysteresis
  • High spool driving forces and rugged design ensure long-life operation
  • Small body size
  • Instrinsically-safe version available for applications requiring products certified for potentially hazardous environments
Specifications
Hydraulic Data  
Rated Flow*
1.9 to 57 l/min (0.5 to 15 gpm)
Standard Configurations 4, 10, 19, 38, 57 l/min
(1, 2.5, 5, 10, 15 gpm)
Max. Operating Pressure 210 or 350 bar (3,000 or 5,000 psi)
   
Performance Data  
100% Step Response** 4 to 17 ms
Frequency Response*** 115 to 215 Hz
   
Electrical Data  
Rated Signal**** 8 to 200 mA
Standard Configurations 8, 15, 20, 40, 200 mA
   
Physical Data  
Size
(Mounting Pattern)
(G)771: Size 02 (ISO 10372-02-02-0-92)
(G)772: Size 03 (ISO 10372-03-03-0-92)
(G)773: Moog Standard
Weight 0.86 kg (1.9 lbs)
Additional Options

Intrinsically Safe, Magnetic Null Adjust, Vented Motor Cap, 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