MOOG G772K240A Servo Valve Controller

MOOG G772K240A | Electrohydraulic Servo Valve

Specifications

• Rated Flow: 38 L/min (10 gpm) @ 70 bar ΔP
• Max Operating Pressure: 350 bar (5,000 psi)
• Frequency Response: ≥150 Hz (–3 dB)
• Step Response: ≤6 ms (90% step)
• Input Signal: ±10 mA / ±10 VDC (selectable)
• Hysteresis: ≤2.5% FS; Resolution: ≤0.05% FS
• Null Leakage: <0.5% of rated flow
• Fluid Compatibility: Mineral oil, biodegradable esters, Skydrol
• Operating Temp: –40 °C to +120 °C
• Seals: FKM (fluorocarbon); FFKM optional
• Protection: IP67 (military connector)

Key Features

1. Two‑stage Design: Dry torque motor + double‑nozzle flapper pilot; high spool force, low frictionMoog Inc..
2. High Dynamics: 150 Hz bandwidth, millisecond response for closed‑loop position/speed/pressure control.
3. Intrinsically Safe: Certified for hazardous areas (Ex ia IIC T4); suitable for oil/gas, power generationMoog Inc..
4. Rugged & Contamination‑Resistant: Hardened spool/bushing; tolerates NAS 1638 Class 10 / ISO 4406 18/15/11 fluids.
5. Failsafe: Loss of signal returns spool to center (zero flow).

Applications

• Power Generation: Gas/steam turbines, turbine governor control.
• Heavy Industry: Steel rolling mills, wind turbine pitch control, marine steering gears.
• Aerospace & Defense: Flight control, actuation systems.
• Oil & Gas: Drilling rigs, hydraulic power units (HPUs).