D634-530A is a pilotless single-stage direct-drive servo valve of MOOG D634 series with ISO4401-05 (NG10) installation standard. It adopts built-in 24VDC PWM drive and LVDT spool position feedback, suitable for high pressure, large flow and high dynamic closed-loop hydraulic control systems.

D634: Series model, NG10 installation size530A: Flow specification, A stands for analog control interface

Brand: MOOGModel: D634-530AValve Type: Pilotless electro-hydraulic direct drive servo valveInstallation Standard: ISO4401-05Driving Mode: Permanent magnet linear force motor, no pilot oil requiredPower Supply: 24VDC, working voltage 18-32VDC, maximum current 2.2APosition Feedback: Integrated LVDT closed-loop detectionReset Mode: Spring centering, fail-safe return to neutral positionProtection Grade: IP65Weight: Approximately 6.8kgConnector: M18 6-pin with PE terminal

Maximum working pressure: 350barMax T-port pressure: ≤50bar, up to 350bar with Y portRated flow under 35bar pressure drop: 100L/minPeak flow: 180L/minNull leakage: 0.7-4.0L/minApplicable hydraulic fluid: ISO11158 mineral oilFluid working temperature: -20℃ ~ 80℃Oil cleanliness requirement: ISO4406 17/14/11

Full stroke step response: ≤20ms-3dB frequency bandwidth: 40-60HzHysteresis: ＜0.25% full scaleControl resolution: ＜0.10% full scaleTemperature drift: ＜1.5% full scale

Standard control signal: ±10VDCOptional control signal: ±10mA, 4-20mASpool feedback signal: 0-10VDCAmbient working temperature: -20℃ ~ 60℃Product certification: CE compliant

Pilotless structure improves operational reliabilityHigh precision control ensured by LVDT closed-loop feedbackStable dynamic performance independent of pressure variationLow power consumption 24VDC driving systemAutomatic spring reset ensures equipment safety under power failure

Heavy duty hydraulic press and forging machineryLarge-scale injection molding and die-casting equipmentHigh displacement vibration and material fatigue test benchHeavy industrial hydraulic control systemPrecision closed-loop control of position, speed and pressure