30 Series Servo Valves

Moog's 30 Series is a two-stage, flow control, double-nozzle, mechanical feedback servo valve with a stainless steel body and integrated torque motor in an environmentally sealed compartment. The valve’s nozzle-flapper design is a reliable and proven technology for applications that require high response, stability and accuracy within a compact package.

The 30 Series Servo Valve is designed to perform reliably over a long service life even in potentially extreme environments, where temperatures might drop to -40 °F (-40 °C) or be as high as 400 °F (204.4 °C).



  • 2-stage flow control Mechanical Feedback Servo Valve
  • Low friction double nozzle pilot stage for high resolution and low hysteresis
  • Rugged construction designed for extreme conditions (High shock, vibration or pressure)
  • Ultra-Compact, light weight package
  • High response for improved control capability
  • Stainless steel body and integrated torque motor in an environmentally sealed compartment


Hydraulic Data
Rated Flow* 0.95 to 6.9 l/min (0.25 to 1.8 gpm)
Standard Configurations 0.95, 1.9, 2.8, 3.8, 5.7, 6.9 l/min
(0.25, 0.5, 0.75, 1, 1.5, 1.8 gpm)
Max. Operating Pressure 310 bar (4,500 psi)
Performance Data
100% Step Response** 2.5 ms
Frequency Response*** 200 Hz
Electrical Data
Rated Signal**** 10 to 40 mA
Standard Configurations 10, 20, 40 mA
Physical Data
Size (Mounting Pattern) Size 01 (ISO 10372-01-01-0-92)
185 g (6.5 oz)
Additional Options

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


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