D634-396C
D634-396C is a pilotless direct drive servo valve of MOOG D634 series with ISO4401-05 mounting size. Equipped with integrated electronics and LVDT position feedback, it features ultra-high flow rate and superior dynamic response. It accurately controls hydraulic flow and direction, suitable for heavy-duty high-pressure working conditions and high-end industrial closed-loop hydraulic systems.
Description
1. Product Brief
D634-396C is a pilotless direct drive servo valve of MOOG D634 series with ISO4401-05 mounting size. Equipped with integrated electronics and LVDT position feedback, it features ultra-high flow rate and superior dynamic response. It accurately controls hydraulic flow and direction, suitable for heavy-duty high-pressure working conditions and high-end industrial closed-loop hydraulic systems.
2. Basic Information
Brand: MOOGModel: D634-396CCategory: Electro-hydraulic direct drive servo valveMounting Standard: ISO4401-05 (NG10)Drive Type: Permanent magnet linear force motor, pilotless structurePower Supply: 24VDC integrated electronic driveReset Mode: Spring centering, neutral position recovery after power failureProtection Grade: IP65Weight: Approx. 10.0kg
3. Function & Positioning
Core Function: Adjust hydraulic flow and direction precisely by analog control signal, realizing closed-loop control of position, velocity, pressure and thrust.Product Positioning: Top-level high-flow high-response servo valve in the series. It replaces combined multi-stage valve sets and serves heavy-duty hydraulic scenes with high pressure, large flow and frequent dynamic action.
4. Core Performance Parameters
Hydraulic Parameters
Max working pressure: 350barMax T-port pressure: ≤50bar (without Y port), ≤350bar (with Y port)Rated flow at 35bar pressure drop: 400-420L/minPeak flow: Approx. 550L/minNull internal leakage: ≤8.0L/minApplicable fluid: ISO11158 standard mineral oilFluid temperature: -20℃ ~ 80℃Fluid cleanliness: ISO4406 17/14/11
Dynamic Parameters
Full stroke step response: ≤12ms-3dB frequency bandwidth: 85-95HzHysteresis: ＜0.18% full scaleResolution: ＜0.08% full scaleTemperature drift: ＜1.0% full scale
Electrical Parameters
Working voltage: 18-32VDC, rated 24VDCMax operating current: 5.5AStandard control signal: ±10VDCOptional signal: ±10mA, 4-20mASpool position feedback: 0-10VDCConnector: M18 6-pin with PE terminalAmbient temperature: -20℃ ~ 60℃Certification: CE compliance
5. Matching Accessories
Shielded twisted signal cable, M18 waterproof connectorISO05 standard valve mounting baseHigh-precision hydraulic filter24VDC low-ripple stabilized power supplyServo closed-loop controller, displacement & pressure sensor
6. Application Fields
Heavy-duty forging, extrusion and die-casting hydraulic machineryAerospace & automotive structural strength test benchHigh-load vibration test table and motion simulation equipmentHydraulic system for marine and offshore engineeringHigh-end hydraulic control system for wind power and large construction machinery
Get a Quote