79 Series (79-100 and 79-200) Servo Valves

Direct-Operated Flow Control for Analog Signals

  • 3-stage Servo Valves for applications that require high flow rates and high performance
  • High spool driving forces, rugged design ensures long-life operation
  • Electrical feedback on the main spool for low hysteresis and excellent linearity
  • Optional external pilot supply and return connections
Specifications
     
Hydraulic Data 79-100 79-200
Rated Flow* 115 to 225  l/min
(30 to 60 gpm)
400 to 1,000  l/min
(100 to 260 gpm)
Standard Configurations 115, 225 l/min
(30, 60 gpm)
400, 800, 1,000 l/min
(100, 200, 260 gpm)
Max. Operating Pressure 210, 310 or 350 bar
(3,000, 4,500 or 5,000 psi)
210, 310 or 350 bar
(3,000, 4,500 or 5,000 psi)
     
Performance Data    
100% Step Response** 14 ms 6 to 15 ms
Frequency Response*** 55 Hz 55 to 110 Hz
     
Electrical Data    
Rated Signal**** 20 to 50 mA 8 to 50 mA
Standard Configurations 15, 40 mA  15, 40 mA 
     
Physical Data    
Size
(Mounting Pattern)
Size 6
(ISO 10372-06-05-0-92) 
Moog Standard
Weight 10.9 (24 lbs) 16.1 kg (35.5 lbs)
Additional Options

Parallel Internal Wiring, Reverse Polarity

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

Parallel Internal Wiring, 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