D633-545B
May 25, 2026

D633-545B

Model: D633-545B Brand: MOOG Category: Direct Drive Electro-hydraulic Servo Valve Alias: DDV Servo Valve, Integrated Electronic Servo Valve Model Code Definition D633: Size 03 direct drive servo valve series 545: Flow and structure configuration code B: HNBR seal & M12 connector version

Description

  1. Basic Identification

  • Model: D633-545B

  • Brand: MOOG

  • Category: Direct Drive Electro-hydraulic Servo Valve

  • Alias: DDV Servo Valve, Integrated Electronic Servo Valve

  • Model Code Definition

    D633: Size 03 direct drive servo valve series

    545: Flow and structure configuration code

    B: HNBR seal & M12 connector version

  1. Basic Information

  • Structure: Permanent magnet linear force motor driven, no pilot oil, integrated closed-loop electronic control

  • Mounting Standard: ISO 4401-03-03-0-94

  • Weight: 2.5 kg

  • Protection Grade: IP67 connector, IP65 valve body

  • Ambient Temperature: -20℃ ~ +60℃

  • Fluid Temperature: -20℃ ~ +70℃

  1. Function & Positioning

  • Core Function: 4/3-way direction, speed, pressure and force proportional control

  • Product Positioning: High-precision high-response core control component for industrial hydraulic system

  • Features: Pressure-independent dynamic response, spring centering under power failure, low hysteresis

  1. Core Performance Parameters

  • Rated Flow: 40 L/min

  • Max Working Pressure: 350 bar (P/A/B port); 50 bar (T port)

  • Power Supply: 24 VDC

  • Control Signal: ±10 V, ±10 mA, 4-20 mA

  • Feedback Signal: 4-20 mA

  • Max Current Consumption: ≤1.2 A

  • Fluid Type: Mineral hydraulic oil

  • Hysteresis: ≤0.2%

  1. General Matching Accessories

  • M5 grade 10.9 mounting bolts

  • OEM HNBR sealing rings

  • 5-core shielded cable

  • 10μm high-pressure hydraulic filter

  • M12 waterproof connector

  1. Applicable Industries & Equipment

    Metal forming machinery, injection molding machine, metallurgical rolling equipment, aerospace test bench, industrial robot hydraulic unit, vibration simulation test system, heavy-duty automation hydraulic control system


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