Products Description
MOOG 072-560A Two-stage Hydraulic Servo Valve

Technical Specifications
Model:072-560A
Brand:MOOG
Product type:Two-stage Mechanical Feedback Hydraulic Servo Valve
Structure:Two-stage,mechanical feedback,dry torque motor
Max working pressure:35MPa
Rated flow:225L/min
Rated control signal:±40mA
Coil resistance:80Ω±10% (20℃)
Working medium:Mineral hydraulic oil
Mounting standard:ISO 10372
Connector:Multi-pin aviation connector
Function:Precise hydraulic flow regulation,four-way spool control,dynamic closed-loop motion control
Dimension:220mm120mm95mm
Weight:3.7kg
Operating temperature:-29℃ ~ +135℃
Storage temperature:-40℃ ~ +140℃
Relative humidity:10~90% non-condensing
Certification:CE
System compatibility
072-560A belongs to MOOG 72 series servo valve.It fits material fatigue test bench,hydraulic vibration test rig,industrial press and simulation loading equipment,widely used for closed-loop hydraulic motion control.It is spare part for legacy hydraulic equipment overhaul.
Function
072-560A is two-stage mechanical feedback hydraulic servo valve.It adopts dry torque motor and double nozzle flapper pilot stage,with low hysteresis and high resolution.The cantilever spring mechanical feedback structure ensures stable flow output for high precision dynamic hydraulic control.
Installation
Mount valve on hydraulic manifold,fasten mounting bolts to specified torque.Connect aviation signal connector and hydraulic pipeline.Clean oil circuit strictly before commissioning,keep hydraulic oil cleanliness.Take anti-pollution protection during handling.
Interface
‑Multi-pin aviation electrical connector
‑ISO standard hydraulic mounting port
‑Valve identification label
Feature
MOOG 72 series two-stage servo valve.Typical faults:oil contamination blockage,nozzle clogging,torque motor coil aging,internal oil leakage.Inspect oil cleanliness and coil resistance before replacement.
Diagnostic
Fault phenomenon:unstable flow,slow dynamic response,zero drift,internal leakage.Check hydraulic oil cleanliness,electrical wiring,coil resistance and nozzle flapper assembly.

Product Brief
072-560A is MOOG two-stage mechanical feedback hydraulic servo valve with dry torque motor,for high-precision hydraulic flow control,dynamic load testing and old hydraulic equipment renovation.Mainly used for maintenance and replacement of industrial hydraulic systems.Anti-pollution and ESD protection must be followed during handling.