D634-528A
Brand: MOOG
Model: D634-528A
Type: Electro-hydraulic direct drive servo valve
Installation standard: ISO4401-05
Drive mode: Permanent magnet linear force motor, no pilot oil
Power supply: 24VDC, 18-32VDC, maximum current 2.2A
Position feedback: Integrated LVDT closed-loop detection
Reset mode: Spring centering, fail-safe neutral return
Protection class: IP65
Weight: Approximately 6.8kg
Connector: M18 6-pin with PE terminal
Description
Basic Parameters
Brand: MOOGModel: D634-528AType: Electro-hydraulic direct drive servo valveInstallation standard: ISO4401-05Drive mode: Permanent magnet linear force motor, no pilot oilPower supply: 24VDC, 18-32VDC, maximum current 2.2APosition feedback: Integrated LVDT closed-loop detectionReset mode: Spring centering, fail-safe neutral returnProtection class: IP65Weight: Approximately 6.8kgConnector: M18 6-pin with PE terminal
Hydraulic Performance
Maximum working pressure: 350barMax T-port pressure: ≤50barRated flow (35bar pressure drop): 180L/minPeak flow: 240L/minNull leakage: 0.7-4.0L/minApplicable fluid: ISO11158 mineral hydraulic oilFluid temperature: -20℃ ~ 80℃Oil cleanliness requirement: ISO4406 17/14/11
Dynamic Index
Full stroke step response: ≤30ms-3dB frequency bandwidth: 30-50HzHysteresis: ＜0.25% FSResolution: ＜0.10% FSTemperature drift: ＜1.5% FS
Electrical Specifications
Standard control signal: ±10VDCOptional signal: ±10mA, 4-20mAFeedback signal: 0-10VDCAmbient temperature: -20℃ ~ 60℃Certification: CE approval
Core Advantages
High reliability without pilot oil structureHigh precision positioning with LVDT feedbackStable dynamic performance under varying pressureLow power consumption drive systemSafe spring reset protection
Application
Heavy hydraulic press and forging equipmentLarge injection and die-casting machinesVibration and fatigue test benchesHeavy-duty industrial hydraulic systemPrecision position, speed and pressure closed-loop control
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